专利摘要:
door clamp. a door clamp (10) comprising: an engaging element (12) comprising a lower flange (14) comprising a face comprising a textured surface (14a) for engaging with a door (34); an angled leg (20) comprising a first section (22) hingedly connected at one end to the wall and a second section (23) extending from the first section at a first angle, the leg being movable between a retracted position and a position extended in which the first section makes a second angle, greater than the first angle, with respect to the wall; a hitch foot (26) pivotally mounted on a mounting element (24) having an adjustable length; and a pivot stop configured to prevent the leg from moving beyond a maximum extended position. being that, in an extended position, the second leg section extends at a third angle with respect to the wall equal to the difference between the second and first angles and the hitch foot causes a clamping force to be applied to the door.
公开号:BR112014014736B1
申请号:R112014014736-1
申请日:2012-12-12
公开日:2020-12-15
发明作者:James Hatton;Steve ST. James
申请人:Steve St. James;Penn Elcom Corporation;
IPC主号:
专利说明:

Technical Field
The invention relates to a door clamp. Foundations
[0001] It may be desirable in many situations to provide security for a door by, for example, installing a stronger lock or additional locks or screws at additional locking points around the door. However, it is not always possible or convenient to make these types of permanent installations on a door, for example, in a rented house or office, a hotel or hostel room, or in student accommodation. In situations like these, it is desirable to increase the security of a door using non-permanent means. A well-known method is to place a chair under the door handle, but unless the chair is the correct size and construction, it will not hold the door for long. A proposed solution extends this proposal to lock a closed door by positioning a bar at an angle between the door handle and the floor behind the door. Although this is an improvement over the use of the chair, the connection between the bar and the door handle is incident to failure and the bar can extend significantly beyond the door, presenting a danger of falling.
[0002] One aspect of the invention provides a door clamp comprising a door latch element, an angled leg, a latch foot and an articulation stop. A door engaging element comprises a lower flange and an engaging wall. The lower flange is adapted to be positioned under a lower edge of a door and comprises a face comprising a textured surface adapted to engage with the door. The engagement wall as a face adapted to be positioned against part of one side of the door. The angled leg comprises a first section hingedly connected at one end to an opposite face of the engagement wall and a second section extending from the first section at a first angle. The leg is movable between a retracted position and an extended position in which the first section makes a second angle, greater than the first angle, in relation to the engaging wall. The coupling foot is pivotally mounted on a mounting element provided at the other end of the leg. The length of the mounting element is adjustable to move the hitch foot between a released position and a hitch position. The articulation stop is configured to prevent the leg from moving beyond a maximum extended position where the second angle has a maximum value. In said extended position, the second leg section extends at a third angle with respect to the engagement wall equal to the difference between the second and first angles and the engagement foot in the engagement position causes a clamping force to be applied. the door.
[0003] The door clamp can be configured with the leg in an extended position to apply a clamping force between the bottom of the door and an area of the floor adjacent to the door. With the leg in an extended position, the door clamp connects the door to the floor through the leg and foot, so the pushing force applied to the door, acting in the direction towards the door clamp, forces the foot down, increasing the engage the friction between the foot and the floor, and force the door upwards. With the leg in an extended position and the length of the mounting element selected so that the foot is in an engaged position, the clamping force that is created preloads the foot, which can prevent any initial movement of the door and reduce the chances of the foot sliding on the floor.
[0004] The angled shape of the leg can allow the door clamp to be quickly removed by pulling hard on the leg. The pull on the leg reduces the friction between the foot lining and the floor, allowing it to be removed.
[0005] The textured surface of the bottom flange can allow the door clamp to secure the door, which can prevent the door clamp from sliding out from under the door, for example, if the door is pushed back and forward.
[0006] The maximum extended leg angle is adjusted by the articulation stop. Unlike the prior art, the user is not required to select which angle the leg should have, but can merely move the leg out of the maximum extended position, which has a preselected angle. This can ensure that the second leg section is arranged at an optimal angle, in use, to provide an optimal clamp action for the door. The construction of the door clamp for positioning against part of a lower edge of a door may allow the door clamp to be a compact size, smaller than that of prior art devices, which engage with a door handle. This can increase the portability of the door clamp and can make it more convenient for a user to carry the door clamp with them to, for example, secure or retain the door of a room in a hostel, hotel or student accommodation.
[0007] In one mode, the third angle is up to 15 degrees. In one embodiment, the third angle is up to 10 degrees. This can ensure that the clamping force is directed approximately 10 degrees from the engagement wall, and thus towards the door side. This can provide optimal engagement of the hitch foot with the floor without imparting excessive force on the leg, which can cause mechanical failure of the leg.
[0008] In one embodiment, the first angle is approximately 40 degrees and the second angle is approximately 50 degrees. The third angle, therefore, has a maximum value of approximately 10 degrees.
[0009] In one embodiment, the textured surface comprises a textured element that is affixed to the face of the bottom flange by an adhesive.
[00010] In one embodiment, the adhesive is a medium-strength adhesive having a shear resistance that can be overcome by the manually applied traction force, exerted on the door clamp when the angled leg is in said extended position. The shear strength of the adhesive is such that pulling strongly on the door clamp will cause the textured element to slide a short distance over the bottom flange, which can allow the door clamp to be removed more easily in the event of an emergency.
[00011] In one embodiment, the engaging wall and the bottom flange of a door engaging element define a recess generally L-shaped to receive part of a door at a lower edge of the door. The door clamp can therefore be positioned closely against the door for optimal engagement between the door clamp and the door.
[00012] In one embodiment, the hitch foot has a sole on which a shoe made of non-slip material is provided. The non-slip material can be a rubber shoe or neoprene elastomer. The non-slip shoe can improve the engagement between the foot and the floor.
[00013] In one embodiment, the anti-slip shoe further comprises one of a textured surface and teeth for gripping the anti-slip material. This can improve the friction between the hitch foot and a non-smooth floor surface.
[00014] In one embodiment, the door clamp further comprises a gripping element comprising gripping teeth, the gripping element being removably mountable on the coupling foot. The gripping element can be used to improve the engagement between the foot and a soft surface, such as carpet, when the leg is in an extended position.
[00015] In one embodiment, the coupling foot is mounted on a ball joint on the mounting element. The coupling angle between the coupling foot and the floor can be optimized by pivoting the ball joint of the foot. This can allow the foot to lie flat on the floor when the leg is in an extended position, even when the floor is uneven, for optimal frictional engagement between the foot and the floor.
[00016] In one embodiment, the mounting element comprises a threaded screw mounted in a socket correspondingly threaded on the leg and a nut correspondingly threaded. A strong mechanical coupling can therefore be provided between the mounting element and the leg, which will withstand downward forces applied through the leg, and provides a strong grip between the door loader, the floor and the door.
[00017] In one embodiment, the door clamp also comprises an adjustable fastener between the leg and the coupling wall. This can provide additional resistance to the leg in the clamp position. Brief Description of Drawings
[00018] Figure 1 is a perspective view of a door clamp according to a first embodiment of the invention, with the leg in its maximum extended position; Figure 2 is a side view of the door clamp of Figure 1 positioned against a door; Figure 3a is a partially sectioned view of part of the door clamp of Figure 1; Figure 3b shows the angled leg 20 of the door clamp of Figure 1; Figure 4 is a side view of the door clamp of Figure I in the retracted position; Figure 5 is a perspective view of a door clamp according to a second embodiment of the invention; and Figure 6 is a perspective view of a door clamp according to a third embodiment of the invention. Detailed Description
[00019] With reference to Figures 1 to 4, a first embodiment of the invention provides a door clamp 10 comprising a door latch element 12, an angled leg 20, a latch foot 26 and an articulation stop 38.
[00020] A door engaging element 12 comprises a lower flange 14 and an engaging wall 16. The lower flange 14 is adapted to be positioned under a lower edge of a door 34, as shown in Figure 2. The lower flange it comprises a textured surface 14a which is adapted to engage with the lower edge of the door 34, to prevent the door clamp from sliding out from under the door, for example, when the door is slammed.
[00021] The hitch wall 16 generally extends upwards from the base flange 14. A face 18 of the hitch wall is adapted to be positioned against part of one side of the door, on the bottom edge, as shown in Figure 2 In this example, the engaging wall 16 and the lower flange 14 together define a recess generally L-shaped to receive part of the door at its lower edge.
[00022] The angled leg 20 comprises a first section 22 and a second section 23. The first section is hingedly connected at one end to the opposite face of the coupling wall via a hinge pin 30. The second section extends from the first section at a first angle, which in this example is approximately 40 degrees.
[00023] Leg 20 is pivotally movable between a retracted position, shown in Figure 3, and an extended position, shown in Figure 2, in which the first section 22 makes a second angle in relation to the engaging wall. The second angle is selected to be larger than the first angle, so that, in an extended position, the second leg section extends at a third angle to the engagement wall equal to the difference between the second and first angles.
[00024] The hitch foot 26 is pivotally mounted on a mounting element 24, which is provided on the other end of the leg 20. The length of the mounting element is adjustable to move the hitch foot between a released position, where the foot will not engage with the floor, in use, and a engage position, in which the foot will engage with the floor, as shown in Figure 2. In this example, the mounting element 24 comprises a threaded screw that is positioned in a corresponding opening threaded into the leg 20. The lug nut 28 is provided, which can be rotated to cause the threaded screw 24 to move in and out of the leg to adjust the length of the mounting element, when required.
[00025] In this example, the hitch foot 26 is mounted on a ball joint (not visible in the drawings) on the mounting element 24, to allow pivoting of the foot to maximize engagement with the floor. The foot 26 is provided with a shoe made of non-slip material 32, such as a rubber shoe or a neoprene elastomer, on its sole, to provide additional frictional force between the foot 26 and the floor.
[00026] The articulation stop 38 is configured to prevent the leg 20 from moving beyond a maximum extended position, in which the second angle has a maximum value, which in this example is 50 degrees. In an extended position, which can be any between the retracted position shown in Figure 3 and the maximum extended position shown in Figure 2, the second section 23 of the leg extends at a third angle to the engagement wall. The third angle is equal to the difference between the first and second angles. In this example, when the leg is at its maximum extended position, the third angle is 10 degrees. In an extended position between the maximum collapsed and extended positions, the third angle will be less than 10 degrees.
[00027] When the leg is in an extended position and the length of the mounting section 24 has been adjusted to bring the hitch foot into a hitch position, the door clamp applies a clamping force to the door.
[00028] In use, the length of the mounting element 24 is adjusted so that the coupling foot is in a released position and the bottom flange 14 is positioned under the base rail or the bottom edge of a door step 34 and the door clamp is pushed towards the door until the face 18 of the hitch wall 16 is positioned against part of one side of the door 34. The angled leg 20 is then pivoted outwardly away from the door to a hitched position. , for example, the maximum extended position shown in Figure 2. The length of the mounting element 24 is then increased by turning the ear nut 28 to move the latch foot 26 to a latch position, where the non-slip shoe 32 it is taken to the secure engagement with the floor 36. In this configuration, the force applied against the door 34, from the side opposite that on which the door clamp 10 is positioned, is transferred to the door clamp 10 and a downward component of strength is exerc downwards through leg 20 and latch foot 26 into floor 36. An equal and opposite force is exerted through the leg onto latch element 12, pushing the door upwards. The application of external force to the door 34 therefore increases the clamping force applied by the door clamp 10 between the door 34 and the floor 36. In this engagement position, the latch foot 26 is preloaded strongly against the floor , thus preventing the initial sliding of the foot 26 when the force is initially applied to the door.
[00029] A door clamp 40 according to a second embodiment of the invention is shown in Figure 5. The door clamp 40 of this embodiment is similar to the door clamp 10 of Figures 1 to 4, with the following modifications. The same reference numbers are maintained for the corresponding characteristics.
[00030] In this embodiment, the textured surface 42 on the lower flange 14 comprises a textured element, in this example a shoe made of textured material, which is affixed to the face of the lower element by an adhesive. The adhesive is a medium-strength adhesive, which, in this example, is a double-sided tape that has a shear strength of approximately 4N / cm2. The double-sided tape area is approximately 9.5 cm2, providing a total shear strength of approximately 38N. The adhesive can be overcome by the manually applied tensile force of approximately 38N, which is approximately equivalent to 4 kg of force, on the door clamp when the angled leg is in an extended position. The shear resistance of the adhesive is such that pulling strongly on the door clamp will cause the textured shoe to slide a short distance over the bottom flange, but the adhesion between the textured shoe 42 and the bottom flange 14 will not fail . The resulting slip of the textured shoe allows the door clamp to be removed more easily in the event of an emergency.
[00031] In this embodiment, the door clamp 40 additionally comprises a gripping element 44 comprising gripping teeth. The gripping element is removably mountable on the hitch foot 26. The gripping element can be used when the door clamp 40 is positioned on a soft surface, such as carpet, to improve the hitch between the foot and the floor.
[00032] A door clamp 60 according to a third embodiment of the invention is shown in Figure 6. The door clamp 60 of this embodiment is similar to the door clamp 10 shown in Figures 1 to 4, with the following modifications. The same reference numbers are maintained for the corresponding characteristics.
[00033] In this embodiment, the door clamp 60 further comprises an adjustable fastener 62 provided between the engaging wall 16 and the first section 22 of the foot 20. The adjustable fastener 62 comprises an arm 64 that defines a guide channel 66 arranged for receive an engagement pin 72, provided in leg 20. A clamping lever 68 is provided on the engagement pin 72, by means of which the position of the engagement pin within the guide channel 66 can be fixed. The door clamp 60 also comprises a baseboard 74, provided in the second section 23 of the leg.
[00034] In use, when the leg 20 is moved from its retracted position to an extended position, the hitch pin 72 slides along the guide channel 66, generally away from the hitch wall 16, thus guiding the foot 20 towards out from the hitch wall. Foot 20 is moved beyond its final position and a door latch element I 2 is positioned against a door, as described above. Foot 20 is then pushed back towards the door by a user kicking footer 74 to move foot 20 to an extended end position.
[00035] Once when leg 20 is in its extended position, clamp lever 68 is adjusted to secure the position of pin 72, and to keep leg 20 in the selected extended position. The arm 64 also provides increased engagement between the leg 20 and the engagement wall 16, acting to stabilize the position of the leg 20.
权利要求:
Claims (10)
[0001]
1. Door clamp, comprising: a door engaging element (12) comprising a lower flange (14) and an engaging wall (16), the lower flange (14) being adapted to be positioned under a lower edge of a door and comprising a face comprising a textured surface (14a) adapted to engage with the door, and the engaging wall (16) having a face adapted to be positioned against part of one side of the door; an angled leg (20) comprising a first section (22) hingedly connected at one end to an opposite face of the engagement wall (16) and a second section (23) extending from the first section (22) at a first angle , the leg (20) being movable between a retracted position and an extended position in which the first section (22) makes a second angle, greater than the first angle, in relation to the engaging wall (16); a hitch foot (26) pivotally mounted on a mounting element (24) provided at the other end of the leg (20), the length of the mounting element (24) being adjustable to move the hitch foot (26) between a position released and a engaged position; and in which, in said extended position, the second leg section (20) extends at a third angle in relation to the coupling wall (16) equal to the difference between the second and first angles and the coupling foot (26) in the engaged position it causes a clamping force to be applied between the bottom of the door and an area of the floor adjacent to the door, characterized by the fact that an articulation stop (38) configured to prevent the leg (20) from moving in addition to a maximum extended position where the second angle has a maximum value.
[0002]
2. Door clamp according to claim 1, characterized by the fact that the third angle is up to 10 degrees when the leg (20) is in an extended position.
[0003]
Door clamp according to claim 2, characterized in that the first angle is 40 degrees and the second angle is 50 degrees when the leg (20) is in a maximum extended position.
[0004]
Door clamp according to any one of claims 1 to 3, characterized in that the textured surface (14a) of the comprises a textured element which is attached to the face of the lower flange (14) by an adhesive.
[0005]
5. Door clamp according to claim 4, characterized in that the adhesive is a medium strength adhesive having a shear resistance that can be overcome by the tensile force applied manually on the door clamp.
[0006]
Door clamp according to any one of claims 1 to 5, characterized in that the engaging wall (16) and the lower flange (14) of a door engaging element (12) define a recess generally in L shape to receive part of a door at a lower edge of the door.
[0007]
Door clamp according to any one of claims 1 to 6, characterized in that the coupling foot (26) is mounted on a ball joint on the mounting element (24).
[0008]
Door clamp according to any one of claims 1 to 7, characterized in that the hitch foot (26) has a sole on which a shoe made of non-slip material is provided (24).
[0009]
Door clamp according to any one of claims 1 to 8, characterized in that the door clamp further comprises a gripping element (44) comprising gripping teeth, the gripping element (44) being removably mountable on the coupling foot (26).
[0010]
10. Door clamp according to any one of claims 1 to 9, characterized in that the door clamp further comprises an adjustable fastener (62).
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法律状态:
2018-07-10| B25A| Requested transfer of rights approved|Owner name: STEVE ST. JAMES (US) ; PENN ELCOM CORPORATION (VG) |
2018-07-24| B25G| Requested change of headquarter approved|Owner name: STEVE ST. JAMES (US) ; PENN ELCOM CORPORATION (VG) |
2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
2020-01-07| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
2020-11-24| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/12/2012, OBSERVADAS AS CONDICOES LEGAIS. |
优先权:
申请号 | 申请日 | 专利标题
GBPCT/GB2011/052533|2011-12-20|
PCT/GB2011/052533|WO2013093390A1|2011-12-20|2011-12-20|Door brace|
PCT/GB2012/053099|WO2013093426A1|2011-12-20|2012-12-12|Door brace|
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