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  • 专利说明
  • 权利要求
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    • 专利摘要:
    MECHANISM FOR ATTACHING A COVER TO A CONTAINER, CONTAINER AND METHOD OF CLOSING AND RETENTING A CONTAINER WITH A COVER A container with a housing and a lid is presented; the cover has a planar part and a latch that moves freely parallel to the planar part of the cover; the latch has a retention feature and a first reference surface perpendicular to the planar part of the lid; there is a latch mechanism coupled to the housing that has an engaging element configured to engage the latch retention feature and a first alignment feature having a first alignment surface; the first alignment feature is configured to move the latch laterally in a first direction so that the first reference surface aligns with the first alignment surface when the cover is attached to the housing with the fastener laterally moved away from the engagement element in one second direction opposite the first direction.
    公开号:BR112013018517B1
    申请号:R112013018517-1
    申请日:2012-01-23
    公开日:2020-07-28
    发明作者:Frank Dean Weber；Christoph Potakowskyj；Johannes Pollhammer
    申请人:Carefusion 303, Inc. (Us)；
    IPC主号:
    专利说明:

    [001] The present disclosure is related, in general, to systems and methods to provide safe storage and, in particular, it is related to mechanisms that guide latch elements for precise alignment to compensate for tolerances in components and clearances in the set. This disclosure also features a modular self-aligning latch. Description of the Related Art
    [002] Hospitals have a need to provide safe storage for certain medications, such as narcotics and controlled substances, and still make medications available to nurses. One method of achieving this is by using containers with a lid where it can only be opened when the container is connected to a power source and processor that can send the appropriate digital commands. The container with a lid is filled with medication at the pharmacy and the lid is closed. While the container is transported to the local Automatic Dispensing Machine (ADM), the contents of the container are safe as the lid cannot be opened without breaking the container. The container is installed in the ADM, which supplies power and can send commands to open the lid. ADM software is configured to open the lid only after certain requirements are met, such as verifying that the person accessing the container is authorized to do so.
    [003] Safe containers with a lid can incorporate lid release actuators that use alloy wire with memory to release the lid. A drawback of memory alloy wire actuators is that they have a limited stroke and therefore require that the latch elements are precisely located in relation to each other in order to reliably engage and disengage. To achieve this precise relative alignment, it may be necessary to use tighter tolerances than those normally used in plastic parts, increasing the cost of parts. Another approach incorporates an adjustable feature to the container, which typically increases the cost of parts, as well as requiring additional labor to make adjustments during assembly. It would be advantageous to obtain the precise positioning of the elements to correspond with a latch actuated by memory alloy wire and at the same time to allow the use of standard tolerances for the components. RESUME
    [004] The container shown has a wrapper with a lid that has a planar part and a fastener attached to the lid. The fastener moves freely parallel to the planar part of the cover. The fastener includes a retention feature and a first reference surface perpendicular to the planar part of the cover. A latch is attached to the housing and includes an engaging element, which is configured to engage the retaining feature, and a first alignment feature having a first alignment surface. The first alignment feature is configured to move the fastener sideways in a first direction when the cover is attached to the housing with the fastener laterally moved away from the latch in a second direction opposite the first direction, so that the first reference surface aligns with the first alignment surface.
    [005] In another aspect, there is a mechanism for attaching a cover to a housing. The mechanism includes a fastener that is configured to be slidably attached to the cover. The fastener includes a retention feature and a first reference surface. The mechanism also includes a latch configured to be attached to the housing. The latch includes an engaging element configured to engage the retaining feature and a first alignment feature having a first alignment surface. The first alignment feature is configured to laterally move the fastener in a first direction when the cover is attached to the housing with the fastener laterally moved away from the latch in a second direction opposite the first direction, so that the first reference surface aligns to the first alignment surface.
    [006] In another aspect, a method of closing and retaining a container with a lid is presented. The method includes the steps to join a cover having a planar part and a fastener that moves freely parallel to the planar part of the cover to a housing having a latch and a first alignment feature, and to laterally move the fastener in a first direction when the cover is attached to the housing with the fastener laterally moved away from the latch in a second direction opposite the first direction, so that a first reference surface of the fastener, the first reference surface being perpendicular to the planar part of the cover, is aligned with the first alignment surface of the first alignment feature, and engage a fastener retaining feature with a latch engagement element. BRIEF DESCRIPTION OF THE DRAWINGS
    [007] The attached drawings, which are included to provide additional understanding and are incorporated into / constitute a part of this specification, illustrate configurations presented and, together with the description, serve to explain the principles of the configurations presented. In the drawings: Figure 1 is a perspective view of a container having a self-aligning latch according to certain aspects of this disclosure; Figure 2 shows a latch release mechanism that includes a self-aligning latch in accordance with certain aspects of this disclosure; Figure 3 is a diagram illustrating the effect of latch tolerances on the engagement of a latch mechanism in accordance with certain aspects of this disclosure; Figures 4A-4B are views of a self-aligning latch according to certain aspects of this disclosure; Figures 5A-5C are diagrams showing the function of a self-aligning latch according to certain aspects of this disclosure; Figures 6A-6B illustrate front-to-back alignment of a self-aligning latch in accordance with certain aspects of this disclosure; and Figure 7 illustrates an exemplary ADM that includes containers having self-aligning latches in accordance with certain aspects of this disclosure. DETAILED DESCRIPTION
    [008] The following description presents configurations of a container having a self-aligning latch so that tolerances in the assembly of the container with a lid are compensated by the lateral movement of the latch holder in relation to the coupling mechanism. These features enable the use of wider tolerances in the manufacture and assembly of container parts with a lid while still enabling the use of a lid release actuator having a limited stroke.
    [009] In the detailed description below, several specific details are set out to provide a complete understanding of this disclosure. It will be apparent, however, to someone of ordinary skill in the art that the configurations of this disclosure may be practiced without some of the specific details. In other examples, well-known structures and techniques have not been shown in detail to confuse disclosure.
    [0010] The method and system disclosed in this document are presented in terms of a container adapted to contain medications and to be inserted in a drawer in an ADM. It will be obvious to those of ordinary skill in the art that this same configuration and method can be used in a variety of applications. Nothing in this disclosure should be construed, unless specifically stated as such, as limiting the application of any method or system presented in this instrument to a medical environment or for dispensing medications.
    [0011] Figure 1 is a perspective view of a container 10 according to certain aspects of this disclosure. The container 10 comprises a housing 15 and a lid 20 which is hingedly coupled to the body 15. The lid 20 is releasably retained in the closed position by a latch mechanism 50, which has a part 50A located in the housing 15 which engages the housing. another part 50B located on the lid 20 when the lid 20 is closed. In the illustrated configuration, housing 15 has four feet 35 at the bottom so that container 10, which has various mechanical features (not shown) at the bottom of housing 15, is in a flat, stable position on a surface horizontal. Container 10 is configured to be inserted into an ADM (not shown in figure 1) in which a connector 25 electrically matches a matching connector that connects the latch mechanism to the ADM controller. The contents of container 10 are then made available to nurses who are authorized by ADM and the hospital's data system to open container 10.
    [0012] Figure 2 shows a latch release mechanism 50 that includes a self-aligning latch 40 according to certain aspects of this disclosure. Asides 50A and 50B of figure 1 are shown as dashed boxes around the components of the respective parts. In the view of figure 2, the plane of cover 20 is horizontal from left to right and perpendicular to the page. The latch 40 has flanges 42 that are captured by the cap 20 with clearance so that the latch 40 can move freely in the plane of the cap 20. The latch 40 has a retaining feature 45 configured to be engaged by the engaging element 60, shown in the "closed" or "activated latch" position in figure 2. The engagement element 60, in this configuration, rotates around the pivot 65 that is fixedly coupled to the housing 15 (not visible in figure 2). A skewed element 80, shown as a torsional spring in the configuration in figure 2, applies a torque to the engaging element 60 that drives the engaging element 60 in the direction of the "engaged" position shown in figure 2. A mechanical stop (not shown) prevents that the engaging element 60 rotates beyond this position.
    [0013] The latch 40 is released by rotating the latch element 60 counterclockwise, in the figure 2, sufficiently so that the retaining feature 45 and latch 40 can move upwards without interference from the latch element. 60. This rotation of the latch element 60 is caused by the contraction of the actuator 90 which, in this configuration, is a memory alloy wire actuator 90 which is actuated by passing the current from a terminal 97 through the memory alloy wire 95 to the other terminal 97. Wire 95 contracts as its temperature rises, causing actuator 90 to pull rocker 70 to the left, in the figure 2, which then applies the force created by actuator 90 to diver 75 that transfers the force applied to the engaging element 60. The force of the actuator 90 compensates for the force applied by the skewed element 80 and rotates the engaging element 60 counterclockwise.
    [0014] Figure 3 is a diagram illustrating the effect of latch tolerances on the engagement of a latch mechanism according to certain aspects of this disclosure. The latch retaining feature 45 and the end 61 of the latching feature 60 are shown in their nominal relative positions. When actuated by actuator 90 in figure 2, tip 61 retracts from the nominal position to position 61A, shown in the dashed outline, with a travel distance indicated by arrow 62. The face 67 of tip 61 moves from position 64 to the position 66.
    [0015] The face 47 of the retention feature 45 has a location tolerance indicated by the double-headed arrow 105 that extends symmetrically in this configuration of the position 100 that represents the nominal position of the face 47. This tolerance includes manufacturing tolerances of the latch 40 , cover 20, housing 15 and other components as well as the amount of clearance between the assembled parts. In figure 3, the range of possible positions for face 47 is indicated by the vertical bars at each end of arrow 105.
    [0016] There are two possible interferences between the latch 40 and the engaging element 60 that could degrade the operation of the latch mechanism 50 of figure 2. Firstly, the retaining element 95 (figure 2) is moved to the left and the tip 61 cannot move back far enough that face 67 moves to the left through face 47 of latch 40, resulting in an inability to release lid 20 from container 10. The interference zone where engaging element 60 cannot release reliably latch 20 is shown as area 110A. The second interference occurs when the latch is moved to the right sufficiently so that face 47 of latch 20 is to the right of face 67 of the engaging element 60, so that the retaining feature 45 does not engage the tip 61 of the element coupling 60 and therefore the cover 20 cannot be fixed in the closed position. The interference zone where the engaging element 60 does not reliably engage latch 20 is shown as shaded area 110B.
    [0017] The analysis of the tolerance build-up of a system so that the latch mechanism 50 is a standard part of the design process. This analysis can be done as a simple sum of the maximum tolerance of each piece and set, or it can be performed using a sum of squares (RSS) root method where the individual tolerances are squared, then the squares are added and then the square root of the total is computed. The RSS method is considered a more useful tolerance prediction as it treats each tolerance as having an independent statistical distribution and generally provides a more realistic total than a simple sum of maximum tolerances. Prevention of interference problems is complicated when a memory alloy wire actuator 90 is used, while the travel 62 of a memory alloy wire device is small compared to many other types of actuators. It is often necessary to demand tighter tolerances than those normally used for the dimensions of the part, increasing the cost of the parts, as well as possibly using an adjustable set, which is not only more expensive in the part cost, but also incurs additional cost of labor. The instant application self-aligning latch's ability to achieve a relative tight tolerance position of latch feature 45 of latch 40 and tip 61 of latch element 60 enables the use of a memory alloy wire actuator 90 while allowing the parts use standard tolerances that decrease cost and simplify assembly with good functional consistency.
    [0018] Figures 4A-4B are views of a self-aligning latch 40 according to certain aspects of this disclosure. Figure 4A is a cross-sectional view of a cap 20 and a captured float latch 40. In this configuration, cap 20 has a hole 22 into which flanges 42 of latch 40 fit loosely. Latch 40 can move from side to side in this view where the dashed contours 42A and 42B show the possible left and right positions of flanges 42. When latch 40 moves to positions 42A and 42B, the feature retainer 45 moves to the positions indicated by the dashed outlines 45A and 45B, respectively. Similarly, there is clearance for the latch to move back and forth inside hole 22.
    [0019] Figure 4B is a perspective section of the lid 20 of the container 10 of figure 1. The floating latch 40 has flanges 42 that extend above a part of the lid 20. The flaps 42A show that they pass through the holes in the lid 20 and capture the flanges 42 against the cap 20. These flaps allow the latch to move both left-right and front-back. Other methods of retaining the latch 40 on the lid 20 while allowing lateral movement parallel to the planar part 20A of the lid 20 only in the left-right direction, only the front-rear direction, or in both directions simultaneously will be apparent to those of ordinary skill in the art .
    [0020] In the configuration shown in figure 4B, the guide pins 43 are provided as part of the floating latch 40 to provide initial centering to minimize the amount of centering required by the other resources. Guide pins 43 are aligned with the pocket holes in the body (not shown in figure 4B) where there is adequate clearance between the guide pins 43 and the pocket holes so that final alignment is achieved as described in relation to figures 5A-5C and 6A-6B. In some configurations, the guide pin interface with the corresponding pocket holes provide adequate centering in the front-to-back direction to eliminate any need for additional features to provide front-to-back centering as shown in figures 6A and 6B.
    [0021] Figures 5A-5C are diagrams showing the function of a self-aligning latch 50 according to certain aspects of this disclosure. Figure 5A shows the function when the latch 40 is in a position 40A that is to the right in this view of the nominal position, so that the retention feature 45 will not engage the tip 61 of the latch element 60. While the latch 40 descends , the surface 49 of the latch 40 comes into contact with the surface 122 of the alignment feature 120 fixedly attached to the housing 15. To lower further, the latch 40 moves laterally to the left while the surface 49 descends along the surface 122 This lateral movement of the latch 40 is permitted by the arrangement shown in figures 4A and 4B. When the latch 40 reaches the end of the surface 122, the reference surface 46 of the latch 40 is aligned with the alignment surface 124 of the alignment feature 120. The latch 40 then descends vertically with the reference surface 46 sliding along the surface. alignment 124 and reaches position 40B. With surfaces 46 and 124 in contact, the retention feature 45 is properly positioned both to engage and disengage tip 61. The engaging surfaces 48 and 49 of the latch do not need to be angled if the surfaces of the corresponding guides 122 and 68 are angled . In this case, the latch engaging surface may be a pointed corner or a radius.
    [0022] Figure 5B shows the function of the self-aligning latch 50 when latch 40 is positioned to the left of the nominal position, shown as position 40C, so that the retention feature 45 will not release from the end 61 of the engagement 60. While the latch 40 descends, the surface 48 of the latch 40 comes into contact with the surface 68 of the tip 61. The torque applied by the skewed element 80 of figure 2 is sufficient so that the latch 40 is displaced to the right before that the engaging element 60 is forced to rotate counterclockwise. Therefore, to descend further, the latch 40 moves sideways to the right while the surface 48 slides along the surface 68. This lateral movement continues until the reference surface 46 contacts the alignment surface 124, further interrupting the lateral movement to the right of the latch 40. The latch 40 then continues to descend vertically with the surfaces 46 and 124 now in contact, forcing the engaging element 60 to rotate counterclockwise until the face 47 of the retention feature 45 achieves pass through the face 67 of the tip 61. Once the retaining element 45 passes through the tip 61 and reaches position 40B, the engaging element 60 rotates clockwise back to the "closed" position thus retaining the latch 40.
    [0023] Figure 5C shows the function of another configuration of the self-aligning latch 50. As in figure 5B, latch 40 is positioned to the left of the nominal position, shown as position 40C, so that the retention feature 45 is not released from the end 61 of the coupling element 60. In the configuration of figure 5C, the latch release mechanism part 50A comprises a second alignment feature 120A, fixedly coupled to the housing 15, which provides an alignment surface 68A and face 67A that functions similarly to surface 68 and face 67 of Fig. 5B. As latch 40 descends, surface 48 of latch 40 comes into contact with surface 68A of the second alignment feature 120A. The latch 40 is moved laterally to the right while the surface 48 slides along the surface 68A until the face 47 of the retention feature 45 is aligned with the face 67A of the second alignment feature 120A. The engaging element 60 is rotated counterclockwise while the latch 40 descends and once the retaining element 45 passes through the tip 61 and reaches position 40B, the engaging element 60 rotates clockwise back to the " closed "thus retaining latch 40. In certain configurations, latch 40 comprises additional surfaces that interact with body alignment features, such as alignment elements 120 and 120A, and / or the engaging element 60 to perform lateral repositioning while the latch 40 goes down.
    [0024] Figures 6A-6B illustrate the front-to-back alignment features of a self-aligning latch 40 according to certain aspects of this disclosure. Figure 6A is a perspective view of the latch 40, the engagement element 60, the alignment element 120 of figures 5A and 5B and a third alignment element 130 that works in a plane perpendicular to that of the first and second alignment elements 120 and 120A. The first reference surface 46 and the surface 49 of the latch 40 and the alignment feature 120 are repeated to provide a reference relative to figures 5A and 5B. Latch 40 also has a second reference surface 46B that is perpendicular to both the planar part 20A of the lid 20 and the first reference surface 46. Latch 40 also has a second surface 49B positioned adjacent to the first angled surface 49. The third feature alignment surface 130 has an angled surface 132 analogous to the angled surface 122 of alignment feature 120. The surface 49B may be angled or not provided or provided that the engagement surface 132 is angled. There may be a similar alignment element 140 on the opposite side of the latch for aligning the latch in the opposite direction (not shown in figure 6A).
    [0025] Figure 6B is a side view of the configuration in figure 6A, seen as indicated by the arrow in figure 6A. Alignment feature 120 has been removed for clarity. Figure 6B shows the function of the latch mechanism 50 when the latch 40 is moved backwards, shown as position 40D, or forwards, shown as position 40F. While the latch 40 descends from position 40D, the surface 49B of the latch 40 contacts the surface 132 of the third alignment feature 130. To descend further, the latch 40 moves forward (to the left in the orientation of Fig. 6B) while surface 49B slides along surface 132. When latch 40 reaches the end of surface 132, reference surface 46B of latch 40 aligns with alignment surface 134 of third alignment feature 130. Latch 40 then it descends vertically with the reference surface 46B sliding along the alignment surface 134 and reaches position 40E. With surfaces 46B and 134 in contact, the retention feature 45 (not shown in figure 6B) is properly positioned to engage tip 61 (not shown in figure 6B). If the latch 40 is moved too far forward, indicated according to position 40F, the latch 40 will contact the surface 142 of the fourth alignment feature 140 while the latch 40 descends and will be moved to the rear (to the right in the orientation Fig. 6B) until it reaches position 40E. Thus, the latch 40, according to certain configurations, is self-aligned along multiple axes.
    [0026] Figure 7 illustrates an exemplary ADM 2 0 0 which includes containers 10 having self-aligning latches according to certain aspects of this disclosure. The ADM 200 includes a cabinet 205 with a controller 215 which, in this example, is housed in the upper structure of the ADM 200. Controller 215 includes a processor with a memory (not shown), a display, a keyboard and screen input devices touch sensitive, a power source (not shown) and communication modules (not shown) that couple the processor to ADM 200 internal components and external networks and systems. In certain configurations, the ADM 200 includes a barcode scanner (not shown) that is fixedly or removably mounted on the top frame or cabinet 205. The ADM 200 also includes a drawer 210 that has multiple locations 212 configured to receive a container 10. In certain configurations, cabinet 205 is a smaller structure having only a few drawers 210, where the storage capacity of ADM 200 is suitable for a single patient rather than a plurality of patients. In certain configurations, cabinet 205 is mounted and supported on a wall.
    [0027] In summary, the self-aligning latch mechanism shown compensates for the accumulated tolerances in the parts and assembly of a container with a lid and positions the lid latch in the proper position to engage and disengage an engaging element having a limited stroke from the closed position to the open position. The lid incorporates a latch that can move laterally with respect to the lid. The self-aligning latch mechanism incorporates reference surfaces on the latch and alignment features that move laterally to the appropriate position relative to the engagement element while the cover closes.
    [0028] The above description is provided to enable a person of ordinary knowledge in the art to practice the various aspects described in this document. While the above content describes what is considered to be the best mode and / or other examples, it is understood that several changes made to these aspects will be readily apparent to those skilled in the art and the generic principles defined in this document may be applied to other aspects . Thus, the claims are not intended to be limited to the aspects shown in this document, but must meet the full scope in accordance with the language claims, where the reference to an element in the singular is not intended to mean "one and only one" unless specifically stated , but instead "one or more". Unless specifically stated otherwise, the terms "a set" and "some" refer to one or more. Pronouns in masculine (eg, his) include the feminine and neutral gender (eg, hers and his / her) and vice versa. Headings and subheadings, if any, are used for convenience only and do not limit the invention.
    [0029] It is understood that the specific order or hierarchy of steps in the processes presented is an illustration of exemplary approaches. Based on design preferences, it is understood that the specific order or hierarchy of steps in the processes can be rearranged. Some of the steps can be performed simultaneously. The claims of the attached methods present the elements of the various steps in a sample order and are not intended to be limited to the specific order or hierarchy presented.
    [0030] Terms such as "top", "bottom", "front", "rear" and the like as used in this disclosure should be understood as a reference to an arbitrary reference structure. Thus, an upper surface, a lower surface, a front surface and a rear surface may extend upwards, downwards, diagonally or horizontally in a reference gravitational structure.
    [0031] A phrase such as an "aspect" does not imply that such an aspect is essential to the technology of the theme or that this aspect applies to all configurations of the technology of the theme. An aspect-related disclosure may apply to all configurations, or one or more configurations. A sentence such as an aspect may refer to one or more aspects and vice versa. A phrase such as a "configuration" does not imply that such a configuration is essential to the technology of the theme or that such a configuration applies to all configurations of the technology of the theme. A configuration-related disclosure may be applied to all configurations or to one or more configurations. A phrase such as a configuration may refer to one or more configurations and vice versa.
    [0032] The word "exemplary" is used in this document to mean "serving as an example or illustration". Any aspect or design described in this document as "exemplary" should not necessarily be interpreted as preferred or advantageous over other aspects or designs.
    [0033] All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or that will later be known to those of ordinary skill in the art are expressly incorporated into this document by reference and are intended to be encompassed by the claims . In addition, nothing disclosed in this document is intended to be dedicated to the public regardless of whether such disclosure is explicitly mentioned in the claims or not. No claim element shall be interpreted in accordance with the provisions of 35 USC § 112, sixth paragraph, unless the element is expressly quoted using the phrase "means for" or, in the case of a method claim, the element is quoted using the phrase "step to". In addition, to the extent that the term "includes", "owns", "with" or the like is used in the description or claims, it is intended to be inclusive in a similar way to the term "comprises", as "comprises" is interpreted when used as a transitional word in a claim.
    [0034] All elements, parts and steps described in this document are preferably included. It should be understood that any of these elements, parts and steps can be replaced by other elements, parts and steps or excluded all together as will be obvious to those with skill in the technique.
    [0035] In general, this text presents a locking system. In more detail, this text presents the following: a container that has a wrapper and a lid. The cover has a planar part and a latch that moves freely parallel to the planar part of the cover. The latch has a retention feature and a first reference surface perpendicular to the planar part of the lid. There is a latch mechanism coupled to the housing that has an engaging element configured to engage the latch retention feature and a first alignment feature having a first alignment surface. The first alignment feature is configured to move the latch laterally in a first direction so that the first reference surface aligns with the first alignment surface when the cover is attached to the housing with the fastener laterally moved away from the engagement element in a second direction opposite the first direction. CONCEPTS
    [0036] This document presented at least the following concepts.
    [0037] Concept 1. A container having a housing and a lid with a planar part, the container comprising: a latch coupled to the lid, the freely movable latch parallel to the planar portion of the lid, the latch comprising: a holding feature; and a first reference surface perpendicular to the planar part of the lid; and a latch mechanism coupled to the housing, the latch mechanism comprising: an engaging element configured to engage the retaining feature; and a first alignment feature having a first alignment surface; characterized by the fact that the first alignment feature is configured to move the latch laterally in a first direction, when the cover is attached to the housing with the latch laterally moved away from the latch element in a second direction opposite to the first direction, so that the first reference surface aligns with the first alignment surface.
    [0038] Concept 2. The concept 1 container, where the first alignment feature is formed as a part of the wrapper.
    [0039] Concept 3. The concept 1 container, characterized by the fact that the housing comprises at least one pocket hole and the latch comprises at least one guide pin that is configured to correspond with at least one pocket hole before the latch contacts the first alignment feature, where there is sufficient clearance between at least one guide pin and at least one pocket hole to allow the latch to be displaced sufficiently to align the first reference surface with the first alignment surface.
    [0040] Concept 4. The concept 1 container, where the latch mechanism comprises a second alignment feature configured to move the latch laterally in the second direction when the lid is joined to the housing with the latch laterally displaced in the first direction.
    [0041] Concept 5. The concept 4 container, where the first and second alignment features are formed as parts of the enclosure.
    [0042] Concept 6. The concept 1 container, where: the latch additionally comprises a second reference surface perpendicular to both the planar part of the lid and the first reference surface; the latch mechanism additionally comprises a third alignment feature having a second alignment surface; where the third alignment feature is configured to move the latch laterally in a third direction being perpendicular to the first direction, when the cover is attached to the housing with the latch laterally displaced in a fourth direction away from the engagement element that is in the opposite direction to third direction, so that the second reference surface aligns with the second alignment surface.
    [0043] Concept 7. The concept 6 container, where the latch mechanism comprises a fourth alignment feature configured to move the latch laterally in the fourth direction when the lid is joined to the housing with the latch laterally displaced in the third direction.
    [0044] Concept 8. The concept 7 container, where the latch mechanism comprises a second alignment feature configured to move the latch laterally in the second direction when the lid is joined to the housing with the latch laterally displaced in the first direction.
    [0045] Concept 9. The concept 7 container, where the first and third alignment features are formed as parts of the enclosure.
    [0046] Concept 10. The concept 9 container, where the second and fourth alignment features are formed as parts of the enclosure.
    [0047] Concept 11. The concept 6 container, where the housing comprises at least one pocket hole and the latch comprises at least one guide pin that is configured to correspond with at least one pocket hole before the latch contacts with the first alignment feature, where there is enough clearance between at least one guide pin and at least one pocket hole to allow the latch to be moved sufficiently to align the first reference surface with the first alignment surface and the second alignment surface reference with the second alignment surface.
    [0048] Concept 12. The concept 1 container, where: The coupling element moves freely between the first and the second position; the engagement element engages the retention feature when in the first position and releases the retention feature when in the second position; and the latch mechanism additionally comprises a skewed element configured to propel the engagement element towards the first position.
    [0049] Concept 13. The concept 12 container, where the coupling element is pivotally coupled to the housing.
    [0050] Concept 14. The concept 12 container, where a gap between the first alignment feature and the engagement element in the first direction is less than a thickness of the latch retention feature in the first direction, so that the retention moves the engagement element towards the second position while the retention feature passes between the first alignment element and the engagement feature.
    [0051] Concept 15. The concept 1 container, additionally comprising a memory alloy wire actuator coupled between the engagement element and the housing, the memory alloy wire actuator comprising: a memory alloy wire having first and second ends; and at least one terminal coupled to one end of the memory alloy wire.
    [0052] Concept 16. The concept 1 container, where the latch has a range of movement in relation to the lid greater than the maximum total component tolerances and set tolerances that affect the relative position of the latch and the coupling element.
    [0053] Concept 17. The concept 16 container, where component tolerances and set tolerances are joined using a sum of squares (RSS) root method.
    [0054] Concept 18. A mechanism for attaching a cover to a housing, the mechanism comprising: a latch configured to be pivotally coupled to the cover, the latch comprising: a retention feature; and a first reference surface; and a latch mechanism configured to be coupled to the housing, the latch mechanism comprising: an engaging element configured to engage the retaining feature; and a first alignment feature having a first alignment surface; where the first alignment feature is configured to move the latch laterally in a first direction, when the lid is attached to the housing with the latch laterally moved away from the engagement element in a second direction opposite the first direction, so that the first surface of align with the first alignment surface.
    [0055] Concept 19. The mechanism of Concept 18, where the coupling element is configured to move the latch laterally in the second direction when the cover is attached to the housing with the latch laterally displaced in the first direction.
    [0056] Concept 20. A method of closing and fixing a container with a lid, the method comprising the steps of: joining a lid having a planar part and a latch that moves freely parallel to the planar part of the lid with a housing having a latch mechanism and a first alignment feature; lateral displacement of the latch in a first direction, when the cover is attached to the housing with the latch displaced laterally away from the engaging element in a second direction opposite the first direction, so that a first reference surface of the latch, the first reference surface being perpendicular to the planar part of the lid, align with a first alignment surface of the first alignment feature; and engaging a latch retention feature with a latching mechanism engaging element.
    [0057] Concept 21. The Concept 20 method, additionally comprising the step of laterally displacing the latch in the second direction when the lid is attached to the housing with the latch laterally displaced in the first direction.
    [0058] Concept 22. The Concept 21 method, additionally comprising the step of laterally displacing the latch in a third direction, when the lid is attached to the housing with the latch laterally moved away from the engaging element in a fourth direction that is in a position opposite the third direction, so that a second reference surface of the latch, the second reference surface being perpendicular to the planar part of the cover and the first reference surface, aligns with the second alignment surface of the second alignment feature .
    [0059] Concept 23. The Concept 22 method, further comprising the step of laterally displacing the latch in the fourth direction when the lid is attached to the housing with the latch laterally displaced in the third direction.
    [0060] Concept 24. The Concept 23 method, additionally comprising the step of laterally displacing the latch in the second direction when the lid is attached to the housing with the latch laterally displaced in the first direction.
    [0061] Concept 25. The Concept 20 method, where the step of engaging a latch retention feature comprises: the displacement of the latch element away from the first position with the latch while the retention feature passes between the latch element and the first alignment feature; and the thrust for the engagement element to return to the first position after the retaining feature has passed between the engagement element and the first alignment feature by applying force to the engagement element with a skewed element.
    权利要求:
    Claims (15)
    [0001]
    1. "MECHANISM FOR ATTACHING A COVER TO A CASE" means the mechanism having: a latch (50B) configured to be slidably coupled to the cover (20) and to move freely in a first direction and in a second direction opposite to first direction, the first and second directions being parallel to the lid (20), the latch (50B) having: a retention feature (45); and a first reference surface (46); and a latch mechanism (50A) configured to be coupled to the housing (15), the latch mechanism (50A) having: an engaging element (60) configured to engage the retaining feature (45); and a first alignment feature (120), having a first alignment surface (124), characterized in that the first alignment feature (120) is configured to move the latch (50B) laterally to a first direction when the lid (20) is joined to the housing (15) with the latch (50B) laterally moved away from the engaging element (60) in a second direction, so that the first reference surface (46) is aligned with the first alignment surface (124) .
    [0002]
    2. "CONTAINER", having a housing (15) and a lid (20) with a planar part, the container having a mechanism according to claim 1, characterized in that said latch (50B) is coupled to the lid (20) , the latch (50B) being freely movable in a first direction and in a second direction opposite to the first direction, the first and second directions being parallel to the planar part of the cover (20); said first reference surface (46) being perpendicular to the planar part of the lid (20); and by said latch mechanism (50A) being coupled to the housing (15).
    [0003]
    3. "CONTAINER" according to claim 2, characterized in that the housing (15) has at least one pocket hole and the latch has at least one guide pin (43) which is configured to correspond to, at least one pocket hole before the latch (50B) contacts the first alignment feature (120), where there is sufficient clearance between at least one guide pin (43) and at least one hole pocket to allow the latch (50B) to be moved sufficiently to align the first reference surface (46) with the first alignment surface (120).
    [0004]
    4. "CONTAINER" according to claim 2, characterized in that the latch mechanism (50A) has a second alignment feature (120A) configured to move the latch (50B) laterally in the second direction when the lid (20) is attached to the housing (15) with the latch (50B) laterally displaced in the first direction.
    [0005]
    5. "CONTAINER" according to claim 2, characterized in that the latch (50B) also has a second reference surface (46B) perpendicular to both the planar part of the lid (20) and the first reference surface (46 ); the latch mechanism (50A) also has a third alignment feature (130), having a second alignment surface (134); and by the third alignment feature (130) being configured to move the latch (50B) laterally in a third direction, being perpendicular to the first direction, when the cover (20) is joined to the housing (15) with the latch (50B) laterally moved in a fourth direction away from the engagement element (60) which is opposite the third direction, so that the second reference surface (46B) aligns with the second alignment surface (134).
    [0006]
    6. "CONTAINER" according to claim 5, characterized in that the latch mechanism (50A) has a fourth alignment feature (140) configured to move the latch (50B) laterally in the fourth direction when the lid (20) is attached to the housing (15) with the latch (50B) laterally displaced in the third direction.
    [0007]
    7. "CONTAINER" according to claim 2, characterized in that the engaging element (60) moves freely between the first and the second position; by the coupling element (60) engaging the retaining feature (45) when in the first position and releasing the retaining feature (45) when in the second position; and by the latch mechanism (50A), also having a skewed element (80) configured to propel the engaging element (60) to move towards the first position.
    [0008]
    8. "CONTAINER" according to claim 2, characterized in that it also has an alloy wire actuator with memory (90) coupled between the engaging element (60) and the housing (15), the wire actuator memory alloy (90) having: a memory alloy wire (95) having a first and second ends; and at least one terminal (97) coupled to one end of the memory alloy wire (95).
    [0009]
    9. "CONTAINER", according to claim 2, characterized in that the latch (50B) has a movement range in relation to the cover (20) greater than a maximum total of the component tolerances and set tolerances that affect a relative position between the latch (50B) and the engaging element (60).
    [0010]
    10. "METHOD OF CLOSING AND RETENTION OF A CONTAINER WITH LID", the method characterized by the steps of: joining a lid (20), having a planar part and a latch (50B) that moves freely in a first direction and in a second direction opposite to the first direction, the first and second directions being parallel to the planar part of the cover (20) together with a housing (15), having a latch mechanism (50A) with a first alignment feature (120) ; lateral displacement of the latch (50B) in a first direction, when the cover (20) is joined to the housing (15) with the latch (50A) laterally moved away from an engaging element (60) of the latch mechanism in a second direction opposite to the first direction, so that a first reference surface (46) of the latch (50B), the first reference surface (46) being perpendicular to the planar part of the cover (20), is aligned with a first alignment surface (124) of the first alignment feature (120); and engaging a latch retaining feature (45) (50B) with said engaging element (60).
    [0011]
    11. "METHOD OF CLOSING AND RETENTION OF A CONTAINER WITH A LID", according to claim 10, characterized in that it also has the lateral displacement step of the latch (50B) in the second direction when the lid (20) is attached to the housing (15) with the latch (50B) laterally displaced in the first direction.
    [0012]
    12. "METHOD FOR CLOSING AND RETENTING A CONTAINER WITH A LID", according to claim 11, characterized in that it also has the lateral displacement step of the latch (50B) in a third direction, when the lid (20) is joined to the housing (15) with the latch (50B) laterally moved away from the engaging element (60) in a fourth direction which is opposite to the third direction, so that a second reference surface (46B) of the latch (50B) , the second reference surface (46B) being perpendicular to the planar part of the lid (20) and the first reference surface (46), is aligned with a second alignment surface (134) of a second alignment feature (130).
    [0013]
    13. "METHOD FOR CLOSING AND RETENTING A CONTAINER WITH A LID", according to claim 12, characterized in that it also has the lateral displacement step of the latch (50B) in the fourth direction when the lid (20) is attached to the housing (15) with the latch laterally displaced in the third direction.
    [0014]
    14. "METHOD FOR CLOSING AND RETENTING A CONTAINER WITH A LID", according to claim 12, characterized in that it also has the lateral displacement step of the latch (50B) in the second direction when the lid (20) is attached to the housing (15) with the latch (50B) laterally displaced in the first direction.
    [0015]
    15. "METHOD OF CLOSING AND RETENTING A CONTAINER WITH A LID", according to claim 10, characterized in that the step of engaging a latch retaining feature (45) (50B) has: displacement of the engaging element (60 ), away from a first position with the latch (50B) as the retention feature (45) passes between the engagement element (60) and the first alignment feature (120); and pushing so that the engaging element (60) returns to the first position after the retaining feature (45) has passed between the engaging element (60) and the first aligning feature (120) by applying force to the element coupling (60) with a skewed element (80).
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    同族专利:
    公开号 | 公开日
    US20200032555A1|2020-01-30|
    EP2668356B1|2019-03-06|
    CA2825205C|2019-02-12|
    US20160102481A1|2016-04-14|
    US20120187128A1|2012-07-26|
    EP2668356A2|2013-12-04|
    CN102602595A|2012-07-25|
    BR112013018517A2|2018-09-04|
    CA2825205A1|2012-08-02|
    US10435918B2|2019-10-08|
    EP2668356A4|2016-10-19|
    WO2012103026A2|2012-08-02|
    WO2012103026A3|2012-11-08|
    CN202295731U|2012-07-04|
    US9243427B2|2016-01-26|
    CN102602595B|2016-05-25|
    ES2729548T3|2019-11-04|
    AU2012209330B2|2016-07-21|
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    法律状态:
    2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-11-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-05-19| B09A| Decision: intention to grant|
    2020-07-28| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/01/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/012,747|US9243427B2|2011-01-24|2011-01-24|Self-aligning modular latch|
    US13/012,747|2011-01-24|
    PCT/US2012/022250|WO2012103026A2|2011-01-24|2012-01-23|Latch system|
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