aerosol dispenser

专利摘要:
aerosol dispenser. a trigger-operated aerosol dispenser for dispensing an aerosol product from an aerosol container through an aerosol valve is described. the trigger-operated aerosol dispenser comprises a base attached to the aerosol container with a dispensing head mounted on the base. a nozzle extends through the dispensing head to communicate the aerosol valve with a terminal orifice. a trigger actuator extends from the dispensing head to actuate the aerosol valve by lowering the trigger actuator to dispense the aerosol product from the terminal orifice. the trigger-operated aerosol dispenser can incorporate a lock to prevent the trigger from acting on the aerosol valve. in one example, the trigger-operated aerosol dispenser can be operated in an alternating manner by lowering the dispensing head. preferably, the trigger-operated aerosol dispenser is formed of a two-piece unit.
公开号:BR112014026401B1
申请号:R112014026401-5
申请日:2013-04-23
公开日:2021-02-23
发明作者:Gregory A. Erickson；Gerald J. Marquardt；Sean Cho；Bernd Blumenstein；Bernhard Jasper
申请人:Aptar Group, Inc；
IPC主号:

专利说明:

Field of the Invention
[0001] This invention relates to dispensing and, more particularly, to an improved trigger operated aerosol dispenser. Description of the Related Art
[0002] An aerosol dispenser comprises an aerosol product and an aerosol propellant contained in an aerosol container. An aerosol valve is provided to control the discharge of the aerosol product from the aerosol container through the fluid pressure provided by the aerosol propellant. The aerosol valve is predisposed to a closed position. A valve stem cooperates with the aerosol valve to open the aerosol valve. An actuator engages with the valve stem to open the aerosol valve to dispense the aerosol product from the aerosol container.
[0003] Some aerosol dispensers incorporate an articulated trigger to actuate the aerosol valve for dispensing the aerosol product from the aerosol container. The following U.S. patents are examples of the prior art trigger operated aerosol devices.
[0004] United States patent 2,995,308 to Ashkenaz discloses a jet stream dispenser that can serve as a closure for a volatile coolant container used to induce local anesthesia or analgesia in minor surgery.
[0005] United States patent 3,138,331 to Kutik discloses a spray device adapted to fit on top of a pressurized or spray can to blast its contents.
[0006] United States patent 3,189,232 to Joffe discloses a dispenser for an aerosol container of the type with a dispensing valve that is adapted to dispense by compressing it. The proposed device provides a dispensing accessory that can be readily applied to a container after which the operation of some manual device such as a trigger will perform the dispensing of the contents of the container in a controlled and effective manner.
[0007] United States patent 3,429,484 to Baldwin discloses an accessory for an aerosol container of the type with an annular boss encompassing a spray head. An inverted U-shaped clamp has lateral legs with overturned flanges at the lower ends subposed with respect to the shoulder. An actuator includes a portion extending transversely to the legs through slots in it and is pivoted at one end on one leg and superimposed with respect to the spray head. A hand operated handle extends from said downward portion parallel to the container.
[0008] United States patent 3,648,905 to Kauder discloses a pressure vessel with an outlet valve actuated by tilting the outlet nozzle with a lever arm extending from the nozzle downwards and outwards in proximity to the container to facilitate one-handed operation. Also, a releasable locking element is provided cooperating with the construction of the lever arm to prevent premature or accidental operation.
[0009] United States patent 3,987,942 to Morane, et al. discloses a dispensing lid for pressurized containers comprising a wall adapted to snap into the top of the container. A movable element defines a duct adapted to rest on the outlet tube of the container valve and through which its contents can be ejected. A separable actuation element projects through the wall to actuate the movable element.
[00010] United States patent 4,826,054 to Frutin discloses the valve of an aerosol can actuated by a lever with a handle portion and an intermediate portion that carries a locking element. The lever is pivot-mounted on a clamp. The locking element is threaded with the valve for movement along it between closed and open positions. The locking element can be placed in any intermediate position to establish a desired flow through the valve when the lever is pressed by the user.
[00011] United States patent 5,040,705 to Snell discloses a flow control apparatus for controlling the flow of a material from a container valve comprising a flow control element adapted to be mounted on the valve for rotation with respect to valve to adjust the flow control element in relation to the valve and the container and thereby establish a maximum permissible flow of material that can be dispensed from the container through the valve. A trigger is mounted on the container and pressed to move the flow control element and valve stem to dispense material from the container. A ring is rotationally mounted on an annular rim of the container. The rim mounts the trigger so that it can rotate the flow control element. Rotation of the ring rotates the trigger and, in turn, the flow control element in a safe and easy manner without risk of possible injury to the fingers by contact with a stationary trigger support. The container is preferably strangled at its upper end in such a way that the annular diameter of the mounting ring on the annular rim of the container does not protrude out of the cylindrical side wall of the container for safety and compactness in use.
[00012] United States patent 6,340,103 to Scheindel, et al. discloses a dispensing mechanism for a pressurized container employing a platform that rests and fits on the valve cover. A pivoted lever on the platform extends from its pivot point upwards and around the nozzle to end at the handle that is adjacent to the side wall of the pressurized container. The upper portion of the lever fits the shoulder to the nozzle so that when the handle is manually pressed against the side wall of the container, the lever presses down on the nozzle, thus pushing the nozzle and the valve in an axially downward direction, hereby dispensing with the pressurized contents of the container. It is when the spout is screwed in a dispensing state that the handle or lever is pivoted out of the side wall of the can so that it can be pressed against the can to perform the dispensing of the contents.
[00013] United States patent 6,494,349 to Thompson, et al. discloses a manual pressurized product dispenser that includes a container with a hand-insertable body portion. A valve mechanism at the top of the container is movable with respect to the container to cause pressurized product discharge. A valve actuation lever is connected to the valve mechanism and extends along the body of the container in such a way that greater displacement of the lever end causes relatively less controlled displacement of the valve mechanism, allowing for adjustable "throttled" delivery of product. Also disclosed is a product delivery element that is attached to the top of the container and has a product retention structure that is positioned with respect to the valve mechanism for receiving product and keeping the product in position for application. Cam elements are oriented to cause the valve actuation lever to move downwards as it moves towards the container body. A movable stop member is loaded into the container and faces the hand-plugable portion in order to limit the displacement of the hand-plugable portion towards the container.
[00014] United States patent 6,685,064 to Frutin discloses a dispensing apparatus for dispensing a product from a container including a product chamber within the container and a valve adjacent to the product chamber. A hinge assembly is attached to the opening of the container and to which a nozzle assembly is connected. A lever is attached via the pivot assembly. The nozzle assembly is rotatable between open and closed positions and includes a portion of the actuator provided with a cam surface that co-operates with a support portion on the lever in such a way that, when the nozzle assembly is in the open position, operation of the lever causes movement of the actuator portion to open the valve and allow product to flow out of the container.
[00015] United States patent 6,722,532 to Lasserre, et al. discloses a dispensing unit comprising a housing and a movable actuator in relation to the housing to cause the contents of the two containers to be dispensed simultaneously in a mixed or separate state. Each container includes a hollow stem through which the substance is dispensed when the stem is lowered. The dispensing unit includes a fluid-conducting element separate from the actuator and including two caps to fit the two rods of the containers. Lowering the actuator causes the fluid-conducting element to act on the rods and start dispensing the contents in a single pass or two separate passages from the fluid-conducting element. The fluid-conducting element is movable within the housing to accommodate mismatches at the heights of the rods. The actuator includes a single internal channel or two separate channels for receiving the contents of the fluid-conducting element container.
[00016] United States patent 6,820,777 to Frutin discloses a dispensing apparatus for dispensing a product from a container including a product chamber within the container and a valve adjacent to the product chamber. A pivot assembly is attached to the opening of the container and to which a nozzle assembly and a lever attached by a pivot assembly are connected. The nozzle set is rotatable between open and closed positions. A portion of the actuator is provided with a cam surface that co-operates with a supporting portion of the lever in such a way that, when the nozzle assembly is in the open position, operation of the lever causes movement of the actuator portion to open the valve. and allowing product to flow out of the container.
[00017] United States patent 7,124,916 to Groh, et al. discloses a manual pressurized product dispenser including a container containing a pressurized product and a valve mechanism and base structure at the top of the container. A nozzle moves between an unactivated position and a discharge position. A side lever extends along the can and is movable to move the nozzle from the unactivated position to the discharge position. The dispenser has a dome rotationally connected to the base frame and surrounds the nozzle and interacts with the nozzle to cause the nozzle to rotate between a locked position and an unlocked position. The nozzle has one or more feet directed downwards that align with areas filled with an upwardly facing surface in the locked position and that aligns with open areas of the base structure in the unlocked position in such a way that the nozzle is free to move into position discharge.
[00018] United States patent No. 7,631,785 to Paas, et al. discloses a trigger actuator for a container including a recess defined by one or more walls that protrude downwards involving an actuation button of an overcap of the container. The trigger actuator is attached to the actuation button. The trigger actuator additionally includes a slot arranged in the recess above an outlet on the actuation button and a lever arranged on one side of the trigger actuator. Pressing the lever towards the container forces the walls that define the recess downwards, moving the actuation button.
[00019] United States patent 7,641,079 to Lott, et al. discloses a lid and trigger assembly that includes a valve that can be actuated to dispense the contents of the can through a valve outlet. The set includes an annular component with a helical surface attached to the can. A cap is attached to the annular component. The lid has an opening through which a trigger extends. The cap is rotatable with respect to the helical surface in the annular component to rotationally raise and lower the cap in relation to the annular component. Raising and lowering the lid respectively prevents or allows movement of the trigger element to actuate the valve, thereby controlling the valve dispensing operation.
[00020] United States patent 7,891,529 to Paas, et al. discloses a trigger actuator for a container including a recess defined by one or more walls that protrude downwards involving an actuation button of an overcap of the container to which the trigger actuator is attached to the actuation button. The trigger actuator additionally includes a slot arranged in the recess above an outlet on the actuation button and a lever arranged on one side of the trigger actuator. Pressure on the lever towards the container forces the walls that define the recess downwards, moving the actuation button.
[00021] United States patent 7,959,040 to Heirman discloses a dispensing device for dispensing a product. The dispensing device comprises: a container containing the product under pressure. The container has a top, base and body portion. An axial direction is defined between the base and the top. A valve mechanism is mounted on the top of the container. The valve mechanism is movable with respect to the container for pressurized discharge of the product from the container. A dispensing cap is mounted on the top of the container. The dispensing cap takes a nozzle out of the cap to blast the product. The nozzle is connected to the valve mechanism by a conduit. An actuating element has a horizontal arm and a vertical arm. The horizontal arm is pivotally suspended from the lid and attaches the valve mechanism to actuate the valve mechanism by pulling the vertical arm towards the portion of the container. The body portion of the container has a lower portion and an upper portion providing a handle with one hand. The vertical arm fits at least one finger of a hand that holds the handle in one hand. The handle with one hand is constricted in its circumference with respect to the lower portion.
[00022] United States patent application No. 2003/0075571 by Thompson, et al. discloses a manual pressurized product dispenser that includes a container with a hand-insertable body portion. A valve mechanism at the top of the container is movable with respect to the container to cause pressurized product discharge. A valve actuation lever is connected to the valve mechanism and extends along the body of the container in such a way that greater displacement of the lever end causes relatively less controlled displacement of the valve mechanism, allowing for adjustable "throttled" delivery of product. A product delivery element is attached to the top of the container and has a product holding structure that is positioned with respect to the valve mechanism for receiving product and holding the product in position for application. Cam elements are oriented to cause the valve actuation lever to move downwards as it moves towards the container body. A movable stop member is supported on the container and faces the hand-plugable portion in order to limit the displacement of the hand-plugable portion towards the container.
[00023] United States patent application 2004/0256418 by Scheindel discloses an axially actuated valve assembly for use in a pressurized container that is easily actuated and controlled by a user to dispense the desired quantity of product. The valve stem is moved in an up and down direction so that, during dispensing, the user can control the number of valve openings that are in communication with the material to be dispensed. The flexible boot wraps around the valve stem by means of an upper edge that fits the actuation flap of the valve and a lower edge that fits the button when in the non-dispensing state. The boot has a square lower inner edge engaging the stem and button of the valve element when in the non-dispensing state. The valve button is small in diameter and smaller than the boot surface that the button fits. The boot has a thin wall neck that is substantially straight below the top edge. Two slots in the neck reduce circumferential stress to facilitate arching out of the mark when the valve is pressed. The upper edge extends radially into the thin-walled neck sufficiently to additionally ensure arching out of the thin wall as the valve is pressed into the dispensing state.
[00024] United States design patent D627,224 to Bass, et al. reveals an ornamental design for an overlay.
[00025] United States design patent D635,854 to Bass, et al. reveals an ornamental design for an overlay.
[00026] Others have incorporated a locking feature to prevent the dispensing of the aerosol product from the aerosol container. The following U.S. patents disclose novel inventions incorporating a locking feature to prevent dispensing of the aerosol product from the aerosol container.
[00027] U.S. patent 7,487,891 to Yerby et al. discloses an actuator for actuating an aerosol valve to dispense an aerosol product from an aerosol container. The actuator comprises an actuator button that is rotatable with respect to a base for movement between a locked rotational position and an unlocked rotational position. The actuator button has a rigid side wall supporting a rigid top actuating surface with an actuator button hole defined in the side wall of the actuator button. The actuator button is movable relative to the base to actuate the aerosol valve to dispense the aerosol product when the actuator button is rotated to the unlocked rotational position. The actuator button is prevented from operating the aerosol valve when the actuator button is moved to the locked rotational position.
[00028] U.S. patent 8,100,298 to Marquardt et al. discloses an actuator for actuating an aerosol valve to dispense an aerosol product from an aerosol container. The improved actuator comprises a base for mounting on the aerosol container. A single actuator button supports a nozzle extending between the aerosol valve and a terminal orifice. The actuator button is rotatable around the base between a locked rotational position and an unlocked rotational position. The unit actuator button is movable to pivot the nozzle button to actuate the aerosol valve to dispense aerosol product from the terminal orifice when the actuator button is in the unlocked rotational position. The single actuator button is prevented from pivoting the nozzle button when the actuator button is rotated to the locked rotational position.
[00029] U.S. patent 8,127,968 to Yerby et al. discloses an actuator for actuating an aerosol valve to dispense an aerosol product from an aerosol container. The actuator comprises an actuator button that is rotatable with respect to a base for movement between a locked rotational position and an unlocked rotational position. The actuator button is tiltable in relation to the base to actuate the aerosol valve to dispense the aerosol product when the actuator button is rotated to the unlocked rotational position. The actuator button is prevented from tilting in relation to the base when the actuator button is moved to the locked rotational position. The rotational movement of the actuator between the locked rotational position and the unlocked rotational position is accompanied by a double click.
[00030] It is an objective of the present invention to improve the technique for providing a trigger-operated aerosol dispenser that provides a significant advance in the aerosol dispensing technique.
[00031] Another objective of this invention is to provide a trigger-operated aerosol dispenser including a non-articulated trigger actuator.
[00032] Another objective of this invention is to provide a trigger-operated aerosol dispenser that can be actuated either by a trigger actuator or alternatively be actuated by lowering a dispenser head.
[00033] Another objective of this invention is to provide a trigger-operated aerosol dispenser with a reduced number of parts.
[00034] Another objective of this invention is to provide a trigger-operated aerosol dispenser with reduced finger pressure to actuate the trigger-operated aerosol dispenser.
[00035] Another objective of this invention is to provide a trigger-operated aerosol dispenser that includes a lock to prevent actuation of the trigger-operated aerosol dispenser.
[00036] The above outlined some of the most pertinent objectives of the present invention. These objectives are to be interpreted as merely illustrative of some of the most prominent features and applications of the invention. Many other beneficial results can be obtained by applying the use of the disclosed invention in a different way or by modifying the invention. In this way, other objectives in a complete understanding of the invention can be achieved by referring to the summary of the invention and the detailed description that describes the preferred embodiment of the invention. BRIEF SUMMARY OF THE INVENTION
[00037] A specific embodiment of the present invention is shown in the accompanying drawings. For the purpose of summarizing the invention, the invention relates to an aerosol dispenser operated by a two-piece trigger to dispense an aerosol product from an aerosol container through an aerosol valve. The two-piece trigger operated aerosol dispenser comprises a first and a second piece. The first part comprises a base with a unitary assembly with the base for securing the base in the aerosol container. The second part comprises a dispensing head with a side wall supporting an upper surface. A nozzle channel extends through the dispensing head to communicate the aerosol valve with a terminal orifice. A trigger actuator is unitary with the dispensing head and extending outwards to actuate the aerosol valve by lowering the trigger actuator to dispense the aerosol product from the terminal orifice.
[00038] In a more specific embodiment of the invention, the base has an outer ring and an inner ring defining an annular void between the outer ring and the inner ring of the base. A portion of the dispensing head extends to the annular void between the outer ring and the inner ring of the base. The dispensing head can be tilted into the annular void of the base by lowering the trigger actuator to open the aerosol valve to dispense the aerosol product from the terminal orifice.
[00039] In another specific embodiment of the invention, a lock interacts between the base and the dispensing head to prevent the trigger actuator from acting on the aerosol valve. In a specific example, the dispensing head is rotationally mounted on the base for rotation between a locked rotational position and an unlocked rotational position. The trigger actuator acts on the aerosol valve by lowering the trigger actuator when the dispensing head is rotated to the unlocked rotational position. The trigger actuator is prevented from operating the aerosol valve when the dispensing head is rotated to the locked rotational position.
[00040] In yet another specific embodiment of the invention, the dispensing head has a non-hinged trigger to actuate the aerosol valve in a primary manner and has a surface of the dispensing head actuator to actuate the aerosol valve in a manner secondary to dispense the aerosol product from the terminal orifice.
[00041] In another embodiment of the invention, the invention comprises a lockable trigger aerosol dispenser for dispensing an aerosol product from an aerosol container via an aerosol valve. The lockable trigger aerosol dispenser comprises a base defined around a geometric axis of symmetry of the base. A base retainer extends from the base. A mount secures the base to the aerosol container. A dispensing head comprises a side wall supporting an upper surface. A nozzle is located inside the dispensing head defining a nozzle channel extending between the aerosol valve and a terminal orifice. A dispensing head retainer extends from the dispensing head cooperating with the base retainer to rotationally secure the dispensing head to the base. The dispensing head is rotatable about the geometric axis of symmetry of the base between a locked rotational position and an unlocked rotational position. A trigger actuator is unitary with the dispensing head adjacent to the terminal orifice to actuate the aerosol valve by lowering the trigger actuator to dispense the aerosol product from the terminal orifice when the dispensing head is rotated to the unlocked rotational position. The trigger actuator is prevented from operating the aerosol valve when the dispensing head is rotated to the locked rotational position.
[00042] The above has roughly described the most relevant and important features of the present invention so that the following detailed description can be better understood so that the present contribution to the technique can be more fully realized. Additional features of the invention will be described below that form the subject matter of the invention. Those skilled in the art should realize that the specific design and modalities disclosed can be readily used as a basis for modifying or designing other structures to accomplish the same purposes as the present invention. Those skilled in the art must also realize that such equivalent constructions do not escape the spirit and scope of the invention. BRIEF DESCRIPTION OF THE FIGURES
[00043] For a more complete understanding of the nature and objectives of the invention, reference should be made to the following detailed description considered in conjunction with the accompanying drawings, in which: FIG. 1 is an isometric top view of a first embodiment of a trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 2 is an enlarged partial sectional view along line 2-2 in FIG. 1; FIG. 3 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 1; FIG. 4 is a bottom view of FIG. 3; FIG. 5 is a sectional view along line 5-5 in FIG. 3; FIG. 6 is a sectional view along line 6-6 in FIG. 3; FIG. 7 is a top isometric view of a base of the trigger-operated aerosol dispenser of FIGS. 1-6; FIG. 8 is a top view of the base shown in one of FIGS. 1-6; FIG. 9 is a right side view of the base of FIG. 7; FIG. 10 is a left side view of the base of FIG. 7; FIG. 11 is a base view of FIG. 8; FIG. 12 is a sectional view along line 12-12 in FIG. 8; FIG. 13 is an isometric top view of the dispensing head of FIGS. 1-6; FIG. 14 is an isometric view of the base of the dispensing head of FIGS. 1-6; FIG. 15 is a top view of the dispensing head of FIGS. 13-14; FIG. 16 is a left side view of the dispensing head of FIG. 15; FIG. 17 is a base view of FIG. 16; FIG. 18 is a sectional view along line 18-18 in FIG. 15; FIG. 19 is an isometric top view similar to FIG. 1 with the dispensing head being located in a locked rotational position; FIG. 20 is an enlarged partial sectional view along line 20-20 in FIG. 19; FIG. 21 is an enlarged front view of the improved actuator of FIG. 19; FIG. 22 is a base view of FIG. 21;
[00044] FIG. 23 is a sectional view along line 23-23 in FIG. 21; FIG. 24 is a sectional view along line 24-24 in FIG. 21; FIG. 25 is an isometric top view similar to FIG. 19 with the dispensing head being located in an unlocked rotational position and in an actuated position; FIG. 26 is an enlarged partial sectional view along line 26-26 in FIG. 25 illustrating the dispensing head being moved to the position actuated by lowering an upper finger actuation surface; FIG. 27 is a view similar to FIG. 26 illustrating the dispensing head being moved to the position actuated by a trigger actuation surface; FIG. 28 is an enlarged front view of the improved actuator of FIG. 25; FIG. 29 is a base view of FIG. 28; FIG. 30 is a sectional view along line 30-30 in FIG. 28; FIG. 31 is a sectional view along line 31-31 in FIG. 28; FIG. 32 is an enlarged view of a portion of FIG. 26; FIG. 33 is an enlarged view of a portion of FIG. 27; FIG. 34 illustrates a preferred range of angles for the trigger actuator of the dispensing head; FIG. 35 is an isometric top view of a second embodiment of the trigger operated aerosol dispenser of the present invention located in an aerosol container; FIG. 36 is an enlarged partial sectional view along line 36-36 in FIG. 35; FIG. 37 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 35 shown in an unacted position; FIG. 38 is a sectional view along line 38-38 in FIG. 37; FIG. 39 is a view similar to FIG. 37 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 40 is a sectional view along line 40-40 in FIG. 39; FIG. 41 is an isometric top view of a third embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 42 is an enlarged partial sectional view along line 42-42 in FIG. 41; FIG. 43 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 41 shown in an unacted position; FIG. 44 is a sectional view along line 44-44 in FIG. 43; FIG. 45 is a view similar to FIG. 43 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 46 is a sectional view along line 46-46 in FIG. 45; FIG. 47 is an isometric top view of a fourth embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 48 is an enlarged partial sectional view along line 48-48 in FIG. 47; FIG. 49 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 47 shown in an unacted position; FIG. 50 is a sectional view along line 50-50 in FIG. 49; FIG. 51 is a view similar to FIG. 49 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 52 is a sectional view along line 52-52 in FIG. 51; FIG. 53 is a top isometric view of a fifth embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 54 is an enlarged partial sectional view along line 54-54 in FIG. 53; FIG. 55 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 54 shown in an unacted position; FIG. 56 is a sectional view along line 56-56 in FIG. 55; FIG. 57 is a view similar to FIG. 55 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 58 is a sectional view along line 58-58 in FIG. 51; FIG. 59 is an isometric top view of a sixth embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 60 is an enlarged partial sectional view along line 60-60 in FIG. 59; FIG. 61 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 59 shown in an unlocked position; FIG. 62 is a base view of FIG. 61; FIG. 63 is a sectional view along line 63-63 in FIG. 61; FIG. 63A is an enlarged view of a left portion of FIG. 63; FIG. 63B is an enlarged view of a right portion of FIG. 63; FIG. 64 is a view similar to FIG. 63 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 65 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 61 shown in a locked position; FIG. 66 is a base view of FIG. 65; FIG. 67 is an isometric top view of a seventh embodiment of the trigger operated aerosol dispenser of the present invention located in an aerosol container; FIG. 68 is an enlarged partial sectional view along line 68-68 in FIG. 67; FIG. 69 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 68 shown in an unlocked position; FIG. 70 is a base view of in FIG. 69; FIG. 71 is a sectional view along line 71-71 in FIG. 69; FIG. 72 is a sectional view along line 72-72 in FIG. 69; FIG. 73 is a top isometric view of a base of the trigger operated aerosol dispenser of FIGS. 67-72; FIG. 74 is a top view of the base shown in FIGS. 6772; FIG. 75 is a left side view of the base of FIG. 74 to FIG. 76 is a right side view of the base of FIG. 74; FIG. 77 is a base view of FIG. 74; FIG. 78 is a sectional view along line 78-78 in FIG. 74; FIG. 79 is an isometric top view of an eighth embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 80 is an enlarged partial sectional view along line 80-80 in FIG. 79; FIG. 81 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 80 shown in a locked position; FIG. 82 is a sectional view along line 82-82 in FIG. 81; FIG. 83 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 80 shown in an unlocked position; FIG. 84 is a sectional view along line 84-84 in FIG. 83; FIG. 85 is a view similar to FIG. 83 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 86 is a sectional view along line 86-86 in FIG. 85; FIG. 87 is a top isometric view of a ninth embodiment of the trigger-operated aerosol dispenser of the present invention located in an aerosol container; FIG. 88 is an enlarged partial sectional view along line 88-88 in FIG. 87; FIG. 89 is a top view of the base shown in one of FIGS. 87-88; FIG. 90 is a front view of the base of FIG. 89; FIG. 91 is a base view of FIG. 89; FIG. 92 is a sectional view along line 92-92 in FIG. 89; FIG. 93 is a top view of the dispensing head of FIGS. 87-88; FIG. 94 is a left side view of the dispensing head of FIG. 93; FIG. 95 is a base view of FIG. 93; FIG. 96 is a sectional view along line 96-96 in FIG. 93. FIG. 97 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 87 shown in a locked position; FIG. 98 is a sectional view along line 98-98 in FIG. 97; FIG. 99 is an enlarged front view of the trigger operated aerosol dispenser of FIG. 87 shown in an unlocked position; FIG. 100 is a sectional view along line 100-100 in FIG. 99; FIG. 101 is a view similar to FIG. 99 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 102 is a sectional view along line 102-102 in FIG. 101; FIG. 103 is an isometric top view of a tenth embodiment of the trigger operated aerosol dispenser of the present invention located in an aerosol container; FIG. 104 is an enlarged partial sectional view along line 104-104 in FIG. 103; FIG. 105 is an enlarged rear view of the trigger operated aerosol dispenser of FIG. 103 shown in an unlocked position; FIG. 106 is a base view of FIG. 105; FIG. 107 is a sectional view along line 107-107 in FIG. 105; FIG. 107A is an enlarged view of a portion of FIG. 107; FIG. 108 is a view similar to FIG. 107 with the trigger-operated aerosol dispenser shown in an actuated position; FIG. 109 is a view similar to FIG. 107 with the dispensing head being subjected to an upward force; FIG. 109A is an enlarged view of a portion of FIG. 109; FIG. 110 is a view similar to FIG. 107 with the aerosol dispenser operated by a rotated trigger to a locked position; and FIG. 111 is a bottom view of a portion of FIG. 110.
[00045] Similar reference characters refer to similar parts in the various figures in the drawings. DESCRIPTION OF THE PREFERRED EMBODIMENTS
[00046] FIGS. 1 and 2 illustrate a first embodiment of the improved trigger operated aerosol dispenser 10 of the present invention for dispensing an aerosol product 11 with an aerosol propellant 12. The terms aerosol product 11 and aerosol propellant 12 in the form used herein include all types pressurized packaging dispenser including pressurized gases or bag-type valve dispensers.
[00047] The first modality of the trigger-operated aerosol dispenser 10 defines a geometric axis of symmetry 13 of the trigger-operated aerosol dispenser 10. An aerosol valve 20 with a valve stem 30 cooperates with the trigger-operated aerosol dispenser 10 to control the flow of the aerosol product 11 from an aerosol container 40.
[00048] The aerosol container 40 is shown as a cylindrical container of conventional design and material. The aerosol container 40 extends between an upper portion 41 and a lower portion 42 with a cylindrical side wall 43 located between them. The lower portion 42 of the aerosol container 40 is closed by an end wall 44. Although the aerosol container 40 has been shown as a conventional design, it is to be understood that the trigger operated aerosol dispenser 10 of the present invention can be used with aerosol canisters of various designs.
[00049] As best shown in FIG. 2, the aerosol container 40 terminates at a rim 46 defining an opening 47 in the aerosol container 40 to receive a mounting cup 50. The mounting cup 50 includes a peripheral rim 52 for sealing at the rim 46 of the aerosol container 40. The mounting cup 50 additionally comprises a tower 54 for receiving the aerosol valve 20.
[00050] The aerosol valve 20 includes a valve body 22 secured to the tower 54 of the mounting cup 50 by a conventional stapling process. The valve body 22 defines an inner valve cavity 24 in fluid communication with the aerosol container 40 through an immersion tube 26. The aerosol valve 20 includes a valve element 28 positioned within the inner valve cavity 24. One predisposition spring 29 predisposes the valve element 28 to a closed position to prevent the flow of the aerosol product 11 through the valve stem 30.
[00051] The valve stem 30 extends between a first end 31 and a second end 32 and defines an outer surface 33 with a passage of the stem 34 extending therein. The stem passage 34 provides fluid communication from the inner valve cavity 24 of the valve body 22 with the second end 32 of the valve stem 30. A lowering of the valve stem 30 moves valve element 28 to an open position against thrust of the predisposition spring 29 to allow the flow of the aerosol product 11 from the second end 32 of the valve stem 30.
[00052] FIGS. 3-6 are several enlarged views of the trigger operated aerosol dispenser 10 of the present invention. The trigger-operated aerosol dispenser 10 comprises a base 60 extending between an upper portion 61 and a lower portion 62 with a cylindrical side wall 63 located between them. The side wall 63 of the base 60 defines an outer surface 64 and an inner surface 65 coaxial with the symmetry geometric axis 13 of the trigger operated aerosol dispenser 10.
[00053] The base 60 includes an assembly of the base 66 to secure the base 60 to the aerosol container 40. The assembly of the base 66 is shown as projections of the annular base 66 extending radially inward to secure the base 60 to the aerosol container. aerosol 40. In this example, the projection of the annular base 66 fits with the flange 46 of the aerosol container 40. However, it should be understood that several conventional structures can be used to secure the base 60 to the aerosol container 40.
[00054] The base 60 includes a base retainer 67 for rotationally attaching a dispensing head 70 to the base 60. The base retainer 67 comprises a plurality of annular projections 67 extending radially outward from the base 60. The plurality of projections ring 67 is distributed around the geometric axis of symmetry 13 of the trigger-operated aerosol dispenser 10.
[00055] The dispensing head 70 is shown as a unitary element extending between an upper portion 71 and a lower portion 72 with a cylindrical side wall 73 located between them. The side wall 73 of the dispensing head 70 is a substantially rigid side wall 73 defining an outer surface 74 and an inner surface 75 coaxial with the symmetry geometric axis 13 of the trigger operated aerosol dispenser 10. The substantially rigid side wall 73 of the dispensing head 70 supports a rigid top surface 76.
[00056] The dispensing head 70 includes a dispensing head retainer 77 to cooperate with the base retainer 67 to rotationally secure the dispensing head 70 to the base 60. The dispensing head retainer 77 is shown as a plurality of projections annulars 77 extending radially inwardly of the inner surface 75 of the side wall 73 of the dispensing head 70. The radially inwardly extending head retainers 77 cooperate with the base retainers which extend radially outwardly 67 to rotationally attach the dispensing head 70 to the base 60.
[00057] A nozzle 80 is located inside the dispensing head 70 for communication with the aerosol valve 20. The nozzle 80 includes a nozzle column 81 with a nozzle channel 82 ending in a socket 84. Socket 84 receives frictionally the second end 32 of the valve stem 30. The nozzle channel 82 is connected in a passage of the nozzle 85 ending in a terminal hole 86. The nozzle 80 is unitary with the dispensing head 70. The dispensing head 70 can optionally receive a end orifice insert 88 defining end orifice 86 to control the spray pattern and / or spray characteristics of the aerosol product 11 including a foam adapter or a current forming orifice insert.
[00058] An important aspect of the present invention is the inclusion of a trigger actuator 90 extending from a proximal end 91 to a distal end 92. The trigger actuator 90 defines a trigger actuation surface 96 for receiving a finger. an operator (not shown) to actuate the aerosol valve 20 to dispense the aerosol product 11. The proximal end 91 of the trigger 90 is unitary with the dispensing head 70 to move as a one-piece unit.
[00059] As will be described in more detail below, the dispensing head 70 is tiltable with respect to the base 60 to actuate the aerosol valve 20 to dispense the aerosol product 11 from the aerosol container 40 through a nozzle 80 of the spray head. dispensing 70. The dispensing head 70 has an upper surface 76 and a trigger actuation surface 96 to provide two independent actuation surfaces for tilting the dispensing head 70 to dispense aerosol product 11 from aerosol container 40.
[00060] The dispensing head 70 is rotatable with respect to the base 60 between a locked rotational position, as shown in FIGS. 19-24, to an unlocked rotational position, as shown in FIGS. 25-34. The dispensing head 70 is prevented from tilting with respect to the base 60 when the dispensing head 70 is moved to the locked rotational position, as shown in FIGS. 19-24. The dispensing head 70 is tiltable with respect to the base 60 to dispense the aerosol product 11 from the aerosol container 40 when the dispensing head 70 is rotated to the unlocked rotational position, as shown in FIGS. 25-34.
[00061] FIGS. 7-12 are several views further illustrating the base 60 shown in FIGS. 3-6. The first end 61 of the base 60 defines an outer ring 100. The outer ring 100 is a substantially cylindrical upper portion of the cylindrical sidewall 63. A plurality of radial ribs 102 extend into the inner surface 65 of the cylindrical sidewall 63. The plurality of radial ribs 102 support an inner ring 110. The outer ring 100 and the inner ring 110 are coaxial with the symmetry geometric axis 13 of the trigger operated aerosol dispenser 10.
[00062] An inner base platform 112 extends radially inward from the inner ring 110 and defines a slot of the central platform 114 coaxial with the outer ring 100 and the inner ring 110. Preferably, the plurality of radial ribs 102 and the inner ring 110 and the inner base platform 112 are integrally formed with the base 60. As best shown in FIGS. 11 and 12, a rib arrangement of the base platform 116 extends from the inner ring 110 to support the underside of the inner base platform 112. The inner base platform 112 defines a slot in the central platform 114.
[00063] The inner ring 110 supports the base retainer 67 to cooperate with the dispensing head retainer 77 to rotationally secure the dispensing head 70 to the base 60. The base retainer 67 is shown as a plurality of annular projections 67 extending radially outwardly from the inner ring 110 of the base 60. The plurality of annular projections 67 is distributed around the geometric axis of symmetry 13 of the trigger operated aerosol dispenser 10.
[00064] Preferably, the inner ring 110 of the base 60 is deformable to allow the dispensing head retainer 77 to pass over the base retainer 67. After the dispensing head retainer 77 passes over the retainer of the base 67, the base retainer 67 fits with dispensing head retainer 77 to retain dispensing head 70 on base 60. dispensing head retainer 77 on dispensing head 70 locks with base retainer 67 to rotationally secure the dispensing head 70 on base 60.
[00065] A void 120 is defined between the outer ring 100 and the inner ring 110 of the base 60. A bridge 125 extends through the void 120 between the outer ring 100 and the inner ring 110 of the base 60. Preferably, the bridge 125 extends through a portion of the void 120 and is located at a level below the first end 61 of the base 60. The bridge 125 occupies a secondary portion of the circumference of the inner ring 110. In this example, the bridge 125 occupies a portion of five to ten degrees arc of the circumference of the inner ring 110 around the geometric axis of symmetry 13 of the trigger operated aerosol dispenser 10.
[00066] The base 60 includes a base 130 stop to cooperate with the dispensing head 70 to establish an unlocked rotational position and a locked rotational position of the dispensing head 70 with respect to base 60. More specifically, the base 130 stop extends over the inner base platform 112 and extends into the inner ring 110 to selectively interfere with the rotation of the dispensing head 70. The base stop 130 includes a locked position stop 131 and an unlocked position stop 132 defined by circumferentially spaced side surfaces 131 and 132 of the base stop 130. Preferably, the base stop 130 is integrally formed with the inner ring 110 and the inner base platform 112. The locked position stop 131 establishes a locked rotational position of the dispensing head in relation to the base 60, as shown in FIGS. 19-24. The unlocked position stop 132 establishes an unlocked rotational position of the dispensing head in relation to the base 60, as shown in FIGS. 25-34.
[00067] The base 60 includes the rib of the actuator 140 to cooperate with the dispensing head 70 to audibly indicate the rotational position of the dispensing head 70 in relation to the base 60. In this example, the rib of the sound actuator 140 comprises several ribs of the sound actuators 141 and 142. Each of the various ribs of the sound actuator 141 and 142 extends over the inner base platform 112 and extends into the inner ring 110.
[00068] The trigger-operated aerosol dispenser 10 comprises a lock 145 for locking the inclination of the dispensing head 70 in relation to the base 60. The lock 145 includes a groove 150 defined in the base 60 cooperating with a rib of the groove 180 extending it if from the dispensing head 70. The groove 150 is defined in the inner ring 110 of the base 60 to allow the dispensing head 70 to be inclined with respect to the base 60 as shown in FIGS. 25-34. More specifically, groove 150 includes a plurality of grooves 151-153 formed within the inner ring 110 of the base 60. Each of the plurality of grooves 151-153 extends through the inner ring 110 to a level in proximity to the platform. internal base 114 of base 60.
[00069] Referring to FIGS. 9 and 10, the trigger operated aerosol dispenser 10 may include a rotation indicator 160 to indicate the rotational position of the dispensing head 70 relative to the base 160. Preferably, the rotation indicator 160 includes a locked rotational position indicator 161 and an unlocked rotational position indicator 162. The trigger 90 of the dispensing head 70 functions as an alignment indicator for the locked and unlocked rotational position indicators 161 and 162. In this example, the locked and unlocked rotational position indicators 161 and 162 are located on the outer surface 64 of the base 60, but those skilled in the art should realize that numerous variations in the arrangement of the rotation indicator 160 can be incorporated into the present invention.
[00070] FIGS. 13-18 are several views further illustrating the dispensing head 70 shown in FIGS. 3-6. The upper surface 76 of the dispensing head 70 includes an actuation surface of the upper finger 79. The interior of the dispensing head 70 includes a sound emission rib 170 shown as a projection extending from the rigid upper surface 76 of the dispensing head. dispensing 70 adjacent to nozzle 80. The sound emission rib 170 interacts with the various sound actuator ribs 141 and 142 of the base 60. The sound emission rib 170 sequentially makes contact with the various sound actuator ribs 141 and 142 to produce a audible double click by turning the dispensing head 70 in relation to the base 60 when the dispensing head is moved between the locked and unlocked rotational position.
[00071] The dispensing head 70 includes the groove rib 180 extending from the inner surface 75 and the rigid top surface 76 of the dispensing head 70. Preferably, the groove rib 180 is formed as a one-piece unit of the actuator button 70. More specifically, the groove rib 180 includes several grooves 181-184 equally spaced around the symmetry geometric axis 13 of the trigger-operated aerosol dispenser 10. The rib groove 182 is aligned with the nozzle 80 .
[00072] The plurality of ribs in the groove 181-184 of the dispensing head 70 is misaligned with the plurality of grooves 151-153 defined by the inner ring 110 of the base 60 when the dispensing head 70 is located in the locked rotational position, as shown in FIGS. 19-24.
[00073] The plurality of ribs in the groove 181-184 of the dispensing head 70 is aligned with the plurality of grooves 151-153 defined by the inner ring 110 of the base 60 when the dispensing head 70 is established in the unlocked rotational position, as shown in FIGS. 25-34. In the unlocked rotational position, the groove rib 184 is aligned with the bridge 125.
[00074] As will be described below, the groove ribs 183 and 184 interact with the locked position stop 131 and the unlocked position stop 132 of the base stop 130 to establish the locked rotational position and the unlocked rotational position of the head. dispensation 70 in relation to base 60.
[00075] FIGS. 19-24 are several views of the trigger operated aerosol dispenser 10 of FIGS. 1-6 with the dispensing head 70 being located in the locked rotational position. The dispensing head 70 is rotated clockwise with respect to the base 60 until the groove rib 183 of the dispensing head 70 engages the stop of the locked position 131 of the base 60. During the clockwise rotation of the dispensing head 70 of the rotational position unlocked to the locked rotational position, the sound emission rib 170 of the dispensing head 70 passes over the various sound ribs 141 and 142, respectively, to provide two independent audible clicks. As best shown in FIG. 24, the sound emission rib 170 of the dispensing head 70 cooperates with the audible rib 142 to keep the dispensing head 70 in the locked rotational position.
[00076] When the dispensing head 70 is moved to the locked rotational position, the nozzle 80 is prevented from operating the aerosol valve 20. In the locked rotational position, the plurality of groove grooves 181-184 fits with the inner ring 110 of the base 60 to prevent the dispensing head 70 from tilting in relation to the base 60.
[00077] FIGS. 25-31 are various views of the trigger operated aerosol dispenser 10 of FIGS. with the dispensing head 70 being located in the unlocked rotational position and with the dispensing head 70 being in an actuated position. The dispensing head 70 was rotated counterclockwise with respect to the base 60 until the groove rib 183 of the dispensing head 70 engages the stop in the unlocked position 132 of the base 60. During the counterclockwise rotation of the dispensing head 70 from the rotational position locked to the unlocked rotational position, the sound emission rib 170 of the dispensing head 70 passes over the various sound ribs 142 and 141, respectively, to provide two independent audible clicks. As best shown in FIG. 31, the sound emission rib 170 of the dispensing head 70 cooperates with the audible rib 141 to keep the dispensing head 70 in the unlocked rotational position.
[00078] When the dispensing head 70 is located in the unlocked rotational position, the plurality of groove grooves 181-183 is aligned with the plurality of grooves 151-153 of the base to allow the dispensing head 70 to tilt in relation to the base 60. The groove rib 184 is aligned with the bridge 125. The alignment of the groove ribs 181183 with the grooves 151-153 allows the dispensing head 70 to be tilted in relation to the base 60 to actuate the aerosol valve 20.
[00079] FIG. 26 illustrates the dispensing head 70 being tilted to the position actuated by a lowering of the upper finger actuation surface 79. A lowering of the upper finger actuation surface 79 by an operator causes the total dispensing head 70 to tilt around of the bridge 125. The dispensing head 70 tilts in its entirety as a unit with respect to the base 60 as the plurality of ribs in the groove 181-183 enters the plurality of grooves 151-153 defined in the inner ring 110 of the base 60 Groove 184 is aligned with the bridge. A portion of the side wall 73 of the dispensing head 70 enters the void 120 between the outer ring 100 and the inner ring 110.
[00080] FIG. 32 is an enlarged view of a portion of FIG. 26 illustrating the tilt of the dispensing head 70 around the bridge 125. The lower portion 72 of the dispensing head 70 engages the bridge 125 to tilt the nozzle 80 to lower the valve stem 30 to actuate the aerosol valve 20 hereby dispensing the aerosol product 11.
[00081] FIG. 27 is a view similar to FIG. 26 illustrating the dispensing head 70 being moved to the position actuated by lowering the actuation surface of the trigger finger 96 90. A lowering of the actuation surface of the trigger finger 96 by an operator tilts the dispensing head 70 in its entirety as a unit relative to the base 60 as the plurality of groove grooves 181-183 enters the plurality of grooves 151-153 defined in the inner ring 110 of the base 60. A portion of the side wall 73 of the dispensing head 70 enters the void 120 between outer ring 100 and inner ring 110.
[00082] FIG. 33 is an enlarged view of a portion of FIG. 27 illustrating the tilt of the dispensing head 70. The dispensing head retainer 77 of the dispensing head 70 engages with the base retainer 67 of the base 60 to tilt the nozzle 80 by lowering the valve stem 30 to actuate the aerosol valve 20 hereby dispensing the aerosol product 11.
[00083] The improved trigger-operated aerosol dispenser 10 of the present invention provides the advantage of a double-acting aerosol dispenser. Double acting allows a user to have the option of two different ways of acting. For example, an operator can use the finger actuation surface 96 of the trigger 90 to apply a specific product in a manner using the mechanical advantage to reduce finger fatigue when applying the specific product. However, the same operator can use the upper finger actuation surface 79 of the dispensing head 70 to apply the specific product in a different way. Table 1 below illustrates some examples of the use of the double-acting aerosol dispenser.

[00084] The different uses of the dual-acting aerosol dispenser of the present invention are quite numerous to mention and the immediate advantages of such a double-acting aerosol dispenser should be readily apparent to those skilled in the art.
[00085] FIG. 34 illustrates a preferred range of angles of the trigger actuator 90 of the dispensing head 70. Although the trigger actuator 90 can be oriented at various angles to the geometric axis of symmetry 13, thirty degrees (30 °) to seventy degrees (70 °) appears to be a preferred orientation angle, as shown in FIG. 34.
[00086] The trigger actuator 90 of the dispensing head 70 of the present invention provides several advantages over the prior art. First, the trigger actuator 90 is unitary with the dispensing head 70 to move as a single piece unit. The trigger actuator 90 of the present invention has no stray motion found in many prior art hinged trigger assemblies. Second, no assembly is required to attach the trigger actuator 90 to the dispensing head 70. Third, the trigger actuator 90 of the present invention has less force than the prior art.
[00087] Table 2 shows the strength for the performance test for samples of the present invention and a competitive example of the previous technology.

[00088] Fourth, the least force to actuate the trigger actuator 90 of the present invention results in a reduction of the structures and the material required to provide a functional aerosol dispenser. The trigger actuator 90 of the present invention can be used with a wide variety of aerosol products, including personal care products, household products, industrial products, food products, health care products, automotive products and the like.
[00089] FIGS. 35-40 are several views of a second embodiment of the trigger operated aerosol dispenser 10A of the present invention located in an aerosol container 40A. The second embodiment of the trigger operated aerosol dispenser 10A is similar to the first embodiment of the trigger operated aerosol dispenser 10 of FIGS. 1-34 with similar parts labeled with similar reference numbers with the addition of the alphabetic character A.
[00090] The second embodiment of the trigger operated aerosol dispenser 10A comprises a base 60A and a dispensing head 70A. The nozzle 80A of the dispensing head 70A defines a cradle surface of the nozzle 89A. The dispensing head 70A includes a projection 190A defining a cradle surface of the projection 192A. The cradle surface of the nozzle 89A operates in accordance with the cradle surface of the protrusion 192A to provide a hand support for an operator. The index finger (not shown) fits with the cradle surface of the nozzle 89A with the membrane (not shown) between the index finger and thumb engaging with the cradle surface of the protrusion 192A to allow the operator's hand (not shown) hold the 10A trigger-operated aerosol dispenser ergonomically. In addition, the operator's index finger is conveniently located to actuate the trigger actuator 90A of the aerosol dispenser operated by trigger 10A.
[00091] FIGS. 41-46 are several views of a third embodiment of the trigger operated aerosol dispenser 10B of the present invention located in an aerosol container 40B. The third modality of the trigger operated aerosol dispenser 10B is similar to the first modality of the trigger operated aerosol dispenser 10 of FIGS. 134, with similar parts labeled with similar reference numbers with the addition of the alphabetic character B.
[00092] The 40B aerosol container is shown as a DS container manufactured by DS Containers of Batavia, Illinois. The dispensing head 70B includes a pendant skirt 200B extending from the side wall 74B of the dispensing head 70. The pendant skirt 200B is tapered to conform to the contour of the upper portion of the container DS still covering the base 60B. Preferably, the hanging skirt 200B is joined with the dispensing head 70.
[00093] The rotational indicator 160B includes a through slot forming a window 165B defined in the hanging skirt 200B. The 165B window allows an operator to view the rotational position indicators 161B and 162B located on the outer surface 64 of the base 60B. The locked rotational position indicator 161B appears in window 165B in FIG. 43, while the unlocked rotational position indicator 162B appears in window 165B in FIG. 45.
[00094] FIGS 47-52 are various views of a fourth embodiment of the trigger operated aerosol dispenser 10C of the present invention located in an aerosol container 40C. The fourth embodiment of the trigger operated aerosol dispenser 10C is similar to the first embodiment of the trigger operated aerosol dispenser 10 of FIGS. 134, with similar parts labeled with similar reference numbers with the addition of the alphabetic character C.
[00095] The dispensing head 70C defines a substantially flat and horizontal upper surface 76C. The actuation surface of the upper finger 79C is defined within the substantially flat and horizontal upper surface 76C. The substantially flat and horizontal top surface 76C facilitates transport of the 10C trigger-operated aerosol dispenser, allowing the 10C trigger-operated aerosol dispenser to be packed in a stacked relationship. The substantially flat, horizontal upper surfaces 76C of a lower layer of trigger operated aerosol dispensers 10C provide a flat surface to support an upper layer of trigger operated aerosol dispensers 10C.
[00096] FIGS. 53-58 are several views of a fifth embodiment of the 10D trigger operated aerosol dispenser of the present invention located in a 40D aerosol container. The fifth embodiment of the trigger-operated aerosol dispenser 10D is similar to the first embodiment of the trigger-operated aerosol dispenser 10 of FIGS. 1-34 with similar parts labeled with similar reference numbers with the addition of the alphabetic character D.
[00097] In the fifth embodiment, the terminal hole 86D is recessed in the side wall 73 of the dispensing head 70D. The fifth modality provides a small 10D trigger-operated aerosol dispenser suitable for use with small 40D aerosol containers. In addition, the fifth modality of the 10D trigger operated aerosol dispenser uses a minimal amount of material providing a low cost 10D trigger operated aerosol dispenser.
[00098] FIGS. 59-66 are several views of a sixth embodiment of the trigger operated aerosol dispenser 10E of the present invention located in an aerosol container 40E. The sixth modality of the trigger-operated aerosol dispenser 10E is similar to the first modality of the trigger-operated aerosol dispenser 10 of FIGS. 134, with similar parts labeled with similar reference numbers with the addition of the alphabetic character E.
[00099] The sixth modality of the 10E trigger-operated aerosol dispenser incorporates a 210E auxiliary latch mechanism. The 210E auxiliary latch mechanism prevents separation of the dispensing head 70E from the base 60E. The integral trigger 90E attached to the dispensing head 70E provides a mechanical advantage for unpretentiously or inadvertently separating the dispensing head 70E from the base 60E. The dispensing head 70E can be separated from the base 60E by (1) an excess compression force applied to the trigger 90E, (2) an excess lifting force applied to the trigger 90E and (3) improper use and / or abuse of the 10E trigger operated aerosol dispenser. The 210E auxiliary latch mechanism prevents such intentional or inadvertent separation of the dispensing head 70E from the base 60E.
[000100] The auxiliary latch mechanism 210E comprises arched base locking plates 211E and 212E extending from the internal base platform 112E to the interior of the slot of the central platform 114E of the base 60E. The arched base lock plates 211E and 212E are unitary with the base 60E. Arched lock slots 213E and 214E are defined in the arched base lock plates 211E and 212E.
[000101] Locking ribs 221E and 222E extend below the dispensing head 70E. The distal ends of the locking ribs 221E and 222E are provided with locking barbs 223E and 224E with ramp surfaces 225E and 226E and locking surfaces 227E and 228E. Locking ribs 221E and 222E and locking barbs 223E and 224E are unitary with the dispensing head 70E. At least one of the arched base locking plates 211E and 212E and / or locking ribs 221E and 222E is formed of a resilient polymeric material.
[000102] The locking ribs 221E and 222E are received inside the arched lock slots 213E and 214E defined inside the arched base lock plates 211E and 212E. The resilient arched lock slots 213E and 214E and / or resilient locking ribs 221E and 222E are deformed as the locking surfaces 227E and 228E pass through the arched lock slots 213E and 214E. When resilient arched locking slots 213E and 214E and / or resilient locking ribs 221E and 222E return to an undeformed condition, locking surfaces 227E and 228E of locking barbs 223E and 224E engage an underside of the locking plates of the arched bases 211E and 212E to prevent separation of the dispensing head 70E from the base 60E.
[000103] The 210E auxiliary latch mechanism prevents separation of the dispensing head 70E from the base 60E, still allowing rotation movement of the dispensing head 70E in relation to the base 60E and still allowing an inclination and / or movement downward from the dispensing head 70E to actuate the 20E aerosol valve.
[000104] FIGS. 67-78 are several views of a seventh embodiment of the 10F trigger-operated aerosol dispenser of the present invention located in a 40F aerosol container. The seventh modality of the trigger-operated aerosol dispenser 10F is similar to the first modality of the trigger-operated aerosol dispenser 10 of FIGS. 1-34 with similar parts labeled with similar reference numbers with the addition of the alphabetic character F.
[000105] The seventh embodiment of the 10F trigger-operated aerosol dispenser comprises a base 60F and a dispensing head 70. The nozzle 80F of the dispensing head 70F defines a cradle surface of the nozzle 89F. The base 60F includes a projection 190F defining a cradle surface of the projection 192F. The cradle surface of the 89F nozzle operates in accordance with the cradle surface of the 192F ledge to provide a hand support for an operator. The index finger (not shown) fits with the cradle surface of the 89F nozzle with the membrane (not shown) between the index finger and thumb engaging with the cradle surface of the 192F overhang to allow the operator's hand (not shown) hold the 10F trigger-operated aerosol dispenser ergonomically. In addition, the operator's index finger is conveniently located to actuate the 90F trigger actuator of the 10F trigger-operated aerosol dispenser.
[000106] FIGS. 79-86 are various views of an eighth embodiment of the 10G trigger-operated aerosol dispenser of the present invention located in a 40G aerosol container. The eighth modality of the trigger operated aerosol dispenser 10G is similar to the first modality of the trigger operated aerosol dispenser 10 of FIGS. 134, with similar parts labeled with similar reference numbers with the addition of the alphabetic character G.
[000107] The eighth modality of the 10G trigger-operated aerosol dispenser incorporates a second example of a 145G lock to prevent tilting the 70G dispensing head in relation to the 60G base. The 145G lock comprises a base groove shown as a notch in the 150G base defined in the 60G base cooperating with a groove rib shown as a 180G protrusion defined by the 70G dispensing head.
[000108] The notch of the base 150G is defined in the outer ring 100G of the base 60G and occupies a secondary portion of the circumference of the outer ring 100G. Preferably, the notch in the base 150G occupies a secondary portion of the circumference of the outer ring 100G commensurable with the arc portion of the circumference of the 125G bridge. In this example, the notch in the base 150G occupies an arc portion five to ten degrees from the circumference of the outer ring 100G around the 13G symmetry geometric axis of the 10G trigger-operated aerosol dispenser.
[000109] The protrusion of the 180G dispensing head extends from the outer surface 74G of the 70G dispensing head. Preferably, the projection of the 180G dispensing head is formed as a single piece unit of the 70G actuator button. More specifically, the projection of the 180G dispensing head extends in proximity to a lower side of the proximal end 91G of the trigger 90G.
[000110] FIGS. 81-82 illustrate the 10G trigger-operated aerosol dispenser of FIGS. 79 and 80 with the 70G dispensing head located in the locked rotational position. In the locked rotational position, the projection of the 180G dispensing head is misaligned with the notch in the 150G base. The projection of the 180G dispensing head fits with the upper portion 61G of the outer ring 100G of the base 60G to prevent the dispensing head 70G from tilting around the bridge 125G to actuate the aerosol valve 20G.
[000111] The fitting of the projection of the 180G dispensing head with the upper portion 61G of the outer ring 100G of the base 60G reinforces the mechanical resistance of the substantially flat and horizontal upper surface 76G. This reinforcement of the mechanical resistance of the substantially flat and horizontal 76G upper surface facilitates the multi-level transport of 10G trigger-operated aerosol dispensers.
[000112] FIGS. 83 and 84 illustrate the 70G dispensing head rotated counterclockwise from the 60G base until the projection of the 180G dispensing head is aligned with the notch on the 150G base. The alignment of the projection of the 180G dispensing head with the notch of the 150G base allows an operator to tilt the dispensing head 70G in relation to the 60G base to actuate the 20G aerosol valve.
[000113] FIGS. 85 and 86 illustrate the dispensing head 70G inclined in relation to the base 60G to actuate the aerosol valve 20G. A lowering of the actuation surface of the 96G trigger finger 90G by an operator tilts the dispensing head 70G in its entirety as a unit relative to the 60G base as the projection of the 180G dispensing head enters the notch of the base 150G. A portion of the side wall 73G of the dispensing head 70G enters the void 120G between the outer ring 100G and the inner ring 110G.
[000114] FIGS. 87-102 are several views of a ninth embodiment of the 10H trigger-operated aerosol dispenser of the present invention located in a 40H aerosol container. The ninth modality of the 10H trigger-operated aerosol dispenser is similar to the first 10G trigger-operated aerosol dispenser modality of FIGS. 79-86 with similar parts labeled with similar reference numbers with the alphabetic character H.
[000115] In this embodiment, the mounting of the base 66H of the base 60H is fastened to seal by sticking 56H the mounting cup 50H on the rim 46H of the aerosol container 40H. The assembly of the base 66H of the base 60H is joined with the base 80H.
[000116] The ninth modality of the 10H trigger-operated aerosol dispenser incorporates another example of a 145H lock to lock the 70H dispensing head in relation to the 60H base. The lock 145H comprises a groove in the base shown as a notch in the base 150H defined in the base 60H cooperating with a rib in the groove shown as the projection 182H defined by the dispensing head 70H.
[000117] FIGS. 89-92 illustrate the notch of the base 150H defined in the outer ring 100H of the base 60H and occupies a secondary portion of the circumference of the outer ring 100H. Preferably, the notch in the base 150H occupies a secondary portion of the circumference of the outer ring 100 commensurable with the arc portion of the circumference of the bridge 125H. In this example, the notch in the base 150H occupies a five to ten degree arc portion of the circumference of the outer ring 100H around the 13H symmetry geometric axis of the 10H trigger-operated aerosol dispenser.
[000118] FIGS. 93-96 illustrate the projection of the dispensing head 182H extending from the inner surface 75H of the dispensing head 70H. Preferably, the projection of the 182H dispensing head is formed as a one-piece unit of the actuator button 70H. More specifically, the projection of the dispensing head 182H extends in proximity to a lower side of the proximal end 91H of the trigger 90H.
[000119] FIGS. 97-98 illustrate the 10H trigger operated aerosol dispenser of FIGS. 87 and 88 with the dispensing head 70H located in the locked rotational position. In the locked rotational position, the projection of the 182H dispensing head is misaligned with the notch in the base 150H. The projection of the dispensing head 182H fits with the upper portion 61H of the outer ring 100H of the base 60H to prevent the dispensing head 70H from tilting around the bridge 125H to actuate the aerosol valve 20H.
[000120] The fitting of the projection of the 182H dispensing head with the upper portion 61H of the outer ring 100H of the base 60H reinforces the mechanical resistance of the substantially flat and horizontal upper surface 76H. This reinforcement of the mechanical resistance of the substantially flat and horizontal upper surface 76H facilitates the transport of multiple levels of the 10H trigger operated aerosol dispensers.
[000121] FIGS. 99 and 100 illustrate the dispensing head 70H rotated counterclockwise with respect to the base 60H until the projection of the dispensing head 182H is aligned with the notch in the base 150H. The alignment of the projection of the 182H dispensing head with the notch of the 150H base allows an operator to tilt the dispensing head 70H in relation to the 60H base to actuate the 20H aerosol valve.
[000122] FIGS. 101 and 102 illustrate the dispensing head 70H inclined in relation to the base 60H to actuate the aerosol valve 20H. A lowering of the actuation surface of the finger 96H of the trigger 90H by an operator tilts the dispensing head 70H in its entirety as a unit relative to the base 60H as the projection of the dispensing head 182H enters the notch of the base 150H. A portion of the side wall 73H of the dispensing head 70H enters the void 120H between the outer ring 100H and the inner ring 110H.
[000123] FIGS. 103-111 are several views of a tenth embodiment of the 10J trigger-operated aerosol dispenser of the present invention located in a 40J aerosol container. The tenth modality of the trigger-operated aerosol dispenser 10J is similar to the first modality of the trigger-operated aerosol dispenser 10 of FIGS. 1-34 with similar parts labeled with similar reference numbers with the addition of the alphabetic character J.
[000124] FIGS. 103-108 illustrate the dispensing head 70J rotated to the unlocked rotational position in a previously described manner. The 10J trigger-operated aerosol dispenser can be tilted to the position actuated by lowering the upper finger 76J actuation surface or can be moved to the position acted by lowering the 96J trigger 96J finger surface.
[000125] The 10J trigger-operated aerosol dispenser incorporates a 210J auxiliary latch mechanism similar to the 210E auxiliary latch mechanism shown in FIGS. 59-66. The 210J auxiliary latch mechanism inhibits separation of the dispensing head 70J from the base 60J.
[000126] As best shown in FIG. 107A, the auxiliary latch mechanism 210J comprises an arched base lock plate 211J extending from and joined to the internal base platform 112J. An arcuate lock slot 213J is defined in the arcuate base lock plate 211J. The locking plate of the arched base 211J includes opposing conical surfaces 215G and 216G and a lower locking side of the locking plate 217G.
[000127] A locking rib 221J extends below the dispensing head 70J. The distal end of the locking rib 211J is provided with a barb of the locking rib 223J with a ramp surface 225J and a locking surface 227J. Locking rib 221J and locking rib barb 223J are unitary with dispensing head 70J. At least one of the locking plate of the arched base 211J and / or the locking rib 221J is formed of a resilient polymeric material.
[000128] The locking rib 221J is received inside the arched lock slot 213J defined inside the locking plate of the arched base 211J. The locking plate of the arched base 211J next to the arched locking slot 213J and / or locking rib 221J is deformed as the barb of the locking rib 223J passes through the arched lock slot 213J. When the resilient arcuate base lock plate 211J near the arcuate lock slot 213J and / or resilient locking rib 221J returns to an undeformed condition, the locking surface 227J of locking barb 223J is capable of engaging the bottom side 217G of the locking plate of the arched base 211J to prevent separation of the dispensing head 70J from the base 60J.
[000129] The tenth modality of the 10J trigger-operated aerosol dispenser incorporates an alternative lock 145J similar to the lock illustrated in FIGS. 79 and 81 to prevent tipping of the dispensing head 70J in relation to the base 60J. The lock 145J comprises a notch in the base 150J defined in the outer ring 100J of the base 60J. The notch in the base 150J cooperates with the projection 180J defined by the dispensing head 70J.
[000130] The projection of the 180J dispensing head extends between the outer surface 74J of the dispensing head 70J and the underside of the trigger actuator 90J. The projection of the 180J dispensing head is formed as a one-piece unit of the 70J actuator button.
[000131] FIGS. 103-107 illustrate the dispensing head 70J rotated with respect to the base 60J to align the projection of the dispensing head 180J with the notch of the base 150J. Aligning the projection of the 180J dispensing head with the notch on the 150J base allows an operator to tilt the dispensing head 70J relative to the 60J base to actuate the 20J aerosol valve.
[000132] FIG. 108 illustrates the dispensing head 70J inclined with respect to the base 60J to actuate the aerosol valve 20J. An operator lowering tilts the dispensing head 70J in its entirety as a unit with respect to the base 60J as the projection of the dispensing head 180J enters the notch of the base 150J. A portion of the side wall 73J of the dispensing head 70J enters the void 120J between the outer ring 100J and the inner ring 110J.
[000133] FIGS. 109 and 109A illustrate the dispensing head 70J being subjected to an upward force relative to the base 60J as indicated by the arrow. The barb locking surface of the locking rib 223J engages with the underside 217J of the arched base lock plate 211G to prevent separation of the dispensing head 70J from the base 60J. The auxiliary latch mechanism 210E allows rotation movement of the dispensing head 70J in relation to the base 60J and allows an inclination and / or movement downwards of the dispensing head 70J to actuate the aerosol valve 20J.
[000134] FIGS. 110 and 111 illustrate the 10J trigger-operated aerosol dispenser with the dispensing head 70J located in the locked rotational position. In the locked rotational position, the projection of the 180J dispensing head is misaligned with the notch in the base 150J. The projection of the 180J dispensing head fits with the upper portion 61J of the outer ring 100J of the base 60J to prevent the dispensing head 70J from tilting around the bridge 125J and prevents actuation of the aerosol valve 20J.
[000135] The present invention provides an improved trigger-operated aerosol dispenser with a non-articulated trigger actuator. The trigger-operated aerosol dispenser can be operated either by a trigger actuator or alternatively it can be operated by lowering a dispenser head. The trigger-operated aerosol dispenser has a reduced number of parts and preferably a dispensing head and base. The trigger-operated aerosol dispenser includes a lock to prevent actuation of the trigger-operated aerosol dispenser.
[000136] Although the invention has been described in its preferred form with a certain degree of particularity, it should be understood that the present disclosure of the preferred form was made by way of example only and that many changes in the details can be used of construction and the combination and arrangement of parts without departing from the spirit and scope of the invention.

权利要求:
Claims (5)
[0001]
1. Two-piece trigger operated aerosol dispenser (10) for dispensing an aerosol product (11) from an aerosol container (40) through an aerosol valve (20), comprising: a first piece comprising: a base ( 60) with a base assembly (66) unitary with said base (60) for securing said base (60) in the aerosol container (40); a second part comprising: a dispensing head (70) with a side wall (73) supporting an upper surface; a nozzle channel (82) extending through said dispensing head (70) to communicate the aerosol valve (20) with an end orifice (86); a trigger actuator (90) unitary with said dispensing head (70) and extending out of it to actuate the aerosol valve (40) by lowering said trigger actuator (90) to dispense the aerosol product (11 ) of said terminal hole (86), wherein said dispensing head (70) is rotationally mounted on said base (60) for rotation between a locked rotational position and an unlocked rotational position; said trigger actuator (90) acting on the aerosol valve (20) by lowering said trigger actuator (90) when said dispensing head (70) is rotated to said unlocked rotational position; wherein said trigger actuator (90) is inhibited from actuating the aerosol valve (20) when said dispensing head (70) is rotated to the said locked rotational position; and in which the first actuation surface (76) is defined by such a dispensing head (70) and a second actuation surface (96) is defined by the trigger actuator (90), in which each of the said actuation surfaces ( 76, 96) is able to actuate the aerosol valve (20) to dispense the aerosol product from said terminal orifice (86), characterized by the fact that said base (60) has an outer ring (100) and a ring inner (110) defining an annular void (120) between said outer ring (100) and said inner ring (110) of said base (60); said dispensing head (70) being tiltable within said annular void (120) of said base (60) by lowering said trigger actuator (90) to open the aerosol valve (40) to dispense the aerosol product (11 ) of said terminal hole (86).
[0002]
2. Aerosol dispenser according to claim 1, characterized in that it includes a lock (145) to prevent said trigger actuator (90) from acting on the aerosol valve (40); and said latch (145) interacting between said base (60) and said dispensing head (70) to prevent said trigger actuator (90) from acting on the aerosol valve (40).
[0003]
3. Aerosol dispenser operated by a two-piece trigger, according to claim 1, characterized by the fact that it includes a base retainer (67) unitary with said base (60); and a unitary dispensing head retainer (77) with said dispensing head (70) cooperating with said base retainer (67) to secure said dispensing head (70) to said base (60).
[0004]
4. Aerosol dispenser according to claim 1, characterized by the fact that it includes a unitary lock (145) with one of said first and second parts to prevent said trigger actuator (90) from acting on the aerosol valve ( 40).
[0005]
Aerosol dispenser according to claim 1, characterized in that it includes an auxiliary latch mechanism (21) to prevent separation of said dispensing head (70) from said base (60).

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法律状态:
2020-07-07| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2020-07-21| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-12-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-02-23| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/04/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US201261637734P| true| 2012-04-24|2012-04-24|

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US61/637734|2012-04-24|

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US61/637,734|2012-04-24|

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PCT/US2013/037856|WO2013163225A1|2012-04-24|2013-04-23|Trigger operated aerosol dispenser|

---