The present disclosure relates to furniture and, more specifically, to drawer interlock systems for furniture which may reduce tip over of the furniture.
There is a rising concern with furniture tipping over when weight is applied to the front of the furniture. In particular, there is a concern that when a drawer of the furniture is open, weight in or applied to the drawer may cause the furniture to tip over. For example, a child may hang or climb on the open drawer such that the weight of the child causes the furniture to tip over. When the furniture tips over, the furniture may land on the child in front of or on the furniture causing injury to the child or other person on or in front of the furniture.
There is a continuing need for systems to prevent or reduce the possibility of furniture tipping over as a result of a weight, such as a child, in or on the end of an open drawer.
This disclosure relates generally to drawer interlock systems that prevent the drawers of a piece of furniture from opening until a support strap is secured. The support strap secured to prevent the piece of furniture from tipping over. The support strap attached to a locking device of each drawer of the piece of furniture to transition the locking device from a locked state to an unlocked state. In the locked state of the locking device, a respective drawer is prevented from opening and in the unlocked state of the locking device, a respective drawer is allowed to move from a fully closed position towards an open position.
In an aspect of the present disclosure, a drawer locking system includes a support strap, a lock plate, and a lock hook. The lock plate is configured to mount to a locking rail of a piece of furniture. A lock hook is pivotally mounted to the lock plate and includes a body that has a first end portion and a second end portion. The lock hook has a locked configuration in which the first end portion is configured to engage a drawer to prevent the drawer from moving from a closed position towards an open position thereof. The lock hook has an unlocked configuration in which the first end portion is configured to disengage the drawer to allow the drawer to move from the closed position towards the open position. The second end portion is engaged with the support strap such that the support strap pivots the lock hook from the locked configuration to the unlocked configuration.
In aspects, the support strap is configured to secure to structure to support the piece of furniture. The support strap may pivot the second end portion downward to pivot the lock hook from the locked configuration to the unlocked configuration.
In some aspects, the drawer locking stem includes a biasing member that is configured to urge the lock hook towards the locked configuration. The biasing member may be secured to the first end portion of the lock hook. The lock plate may include amount. The biasing member may have a first end secured to the mount and a second end secured to the first end portion of the lock hook. The lock plate may include a stop. The stop may be configured to engage the second end portion to prevent over pivoting of the second end portion beyond the unlocked configuration. The lock plate may be of monolithic construction with the stop and the mount bent from in plane with the rest of the lock plate.
In certain aspects, the first end portion of the lock hook includes an arm that extends from the body to a hook. The hook may be configured to engage an inside surface of a rear of the drawer in the locked configuration of the lock hook to prevent the drawer from moving from the closed position.
In particular aspects, the drawer locking system includes a strap clamp that is secured to the second end portion. The strap clamp may secure the support strap to the second end portion.
In another aspect of the present disclosure, a piece of furniture includes a frame, a locking rail, a first drawer, a second drawer, a first drawer locking system, and a second drawer locking system. The locking rail is secured to the frame. The first drawer is slidably supported in the frame and has an open position and a closed position. The first drawer having a back end that is positioned adjacent the locking rail in the closed position. The second drawer slidably supported in the frame. The second drawer has an open position and a closed position. The second drawer has a back end that is positioned adjacent the locking rail in the closed position. The first drawer locking system and the second drawer locking system may be any of the drawer locking systems disclosed herein. The lock plate of the first drawer locking system is mounted to the locking rail behind the back end of the first drawer. The lock hook engages the back end of the first drawer in the locked configuration to prevent the first drawer from sliding from the closed position. The lock plate of the second drawer locking system is mounted to the locking rail behind the back end of the second drawer. The lock hook engages the back end of the second drawer to prevent the second drawer from sling from the closed position. The support strap of the first drawer locking system and the support strap of the second locking system form a single continuous support strap such that the single continuous support strap transitions the first drawer locking system and the second drawer locking system from the locked configuration to the unlocked configuration in concert with one another.
In aspects, the frame includes a base positioned below the first drawer and the second drawer. The base may be configured to be spaced apart from a support surface of the piece of furniture. The single continuous support strap may be configured to secure to the support surface or a wall below the base such that the first drawer locking system and the second drawer locking system are each transitioned to the unlocked configuration.
In another aspect of the present disclosure, a drawer interlock system for a piece of furniture including a first drawer, a second drawer, and a locking rail secured adjacent a back end of each of the first drawer and the second drawer includes a support strap, a first lock plate, a second lock plate, a first lock hook, and a second lock hook. The first lock plate is configured to mount to the locking rail adjacent the back end of the first drawer. The second lock plate is configured to mount to the locking rail adjacent the back end of the second drawer. The first lock hook is pivotally mounted to the first lock plate. The first lock hook includes a body that has a first end portion and a second end portion. The first lock hook has a locked configuration in which the first end portion of the first lock hook is configured to engage the back end of the first drawer to prevent the first drawer from moving from a closed position towards an open portion thereof. The first lock hook has an unlocked configuration in which the first end portion of the first lock hook is configured to disengage the first drawer to allow the first drawer to move from the closed position towards the open position. The second lock hook is pivotally mounted to the second lock plate. The second lock hook incudes a body that has a first end portion and a second end portion. The second lock hook has a locked configuration in which the first end portion of the second lock hook is configured to engage the second drawer to prevent the second drawer from moving from a closed position towards an open position thereof. The second lock hook has an unlocked configuration in which the first end portion of the second lock hook is configured to disengage the second drawer to allow the second drawer to move from the closed position towards the open position. The second end portion of the first lock hook and the second end portion of the second lock hook are each engaged with the support strap such that the support strap pivots the first lock hook and the second lock hook from the locked configuration to the unlocked configuration in concert with one another.
In aspects, downward movement of the support strap transition the first lock hook and the second lock hook from the locked configuration to the unlocked configuration.
In some aspects, the drawer interlock system includes a first biasing member disposed between the first lock plate and the first lock hook. The first biasing member may urge the first lock hook towards the locked configuration. The first biasing member may urge the support strap upwards.
In certain aspects, the first lock plate includes a first stop. The first stop may be configured to engage the second end portion of the first lock hook to prevent over pivoting of the second end portion of the first lock hook beyond the unlocked configuration.
In another aspect of the present disclosure, a piece of furniture includes a frame, a locking rail secured to the frame, a first drawer, a second drawer, and a drawer interlock system. The first drawer is slidably supported in the frame and has an open position and a closed position. The first drawer has a back end that is positioned adjacent the locking rail in the closed position. The second drawer is slidably supported in the frame and has an open position and a closed position. The second drawer has aback end that is positioned adjacent the locking rail in the closed position. The drawer interlock system may be any drawer interlock system disclosed herein. The first lock plate is mounted to the locking rail adjacent the back end of the first drawer when the first drawer is in the closed position such that the first lock hook engages the back end of the first drawer when the first drawer is in the closed position and the first lock hook is in the locked configuration. The second lock plate mounted to the locking rail adjacent the back end of the second drawer when the second drawer is in the closed position such that the second lock hook engages the back end of the second drawer when the second drawer is in the closed position and the second lock hook is in the locked configuration.
In another aspect of the present disclosure, a method of securing a piece of furniture from tipping includes positioning the piece of furniture in a desired location. The method also includes securing a securement plate to a wall or a support surface adjacent a back side of the piece of furniture and below a frame of the piece of furniture. Securing the securement plate may include transitioning a first lock hook and a second lock hook of a drawer interlock system from a locked configuration in which a first drawer associated with the first lock hook and a second drawer associated with the second lock hook are prevented from sliding from a closed position to an unlocked configuration in which the first drawer and the second drawer are each capable of sliding from the closed position towards an open position.
In aspects, securing the securement plate includes tensioning the securement strap that extends between the securement plate and the frame of the piece of furniture such that the securement strap transition the first lock hook and the second lock hook from the locked configuration to the unlocked configuration in response to tensioning of the securement strap.
Further, to the extent consistent, any of the embodiments or aspects described herein may be used in conjunction with any or all of the other embodiments or aspects described herein.
Various aspects of the present disclosure are described hereinbelow with reference to the drawings, which are not necessarily drawn to scale, which are incorporated in and constitute a part of this specification, wherein:
The present disclosure will now be described more fully hereinafter with reference to example embodiments thereof with reference to the drawings in which like reference numerals designate identical or corresponding elements in each of the several views. These example embodiments are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Features from one embodiment or aspect can be combined with features from any other embodiment or aspect in any appropriate combination. For example, any individual or collective features of method aspects or embodiments can be applied to apparatus, product, or component aspects or embodiments and vice versa. The disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. As used in the specification and the appended claims, the singular forms “a,” “an,” “the,” and the like include plural referents unless the context clearly dictates otherwise. In addition, while reference may be made herein to quantitative measures, values, geometric relationships or the like, unless otherwise stated, any one or more if not all of these may be absolute or approximate to account for acceptable variations that may occur, such as those due to manufacturing or engineering tolerances or the like.
This disclosure is directed generally to a drawer interlock device that prevents the drawers of a piece of furniture from opening until a support strap of the drawer interlock device is secured to a fixed structure such as the floor or the wall. The support strap prevents or substantially reduces the possibility of the piece of furniture from tipping over, e.g., tipping forward.
Referring now to
With particular reference to
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With reference to
With additional reference to
The boss 32 extends forward from the mounting plate 22 and may be circular in shape. The boss 32 defines a pivot hole 33 therethrough that receives a pivot pin 34 therethrough. The pivot pin 34 may secure the lock hook 40 to the lock plate 20. The boss 32 may extend forward from the mounting plate 22 to prevent the lock hook 40 from contacting the mounting plate 22. The stop 28 may limit rotation of the lock hook 40 about the pivot pin 34 when transitioned to the unlocked configuration.
Referring now to
The first end portion 44 includes an arm 52 that extends forward from the body 42 which terminates in a hook 54 that engages the back of a respective drawer to prevent the drawer from moving from the closed position towards to the open position when the lock hook 40 is in the locked configuration. The first end portion 44 of the body 42 includes a ring mount 50 that extends forward from the body 42 and is configured to receive a portion of the biasing member 70. The ring mount 50 may be positioned between the pivot opening 48 and the first end portion 44. The second end portion 46 includes a threaded hole 56 and may include a clamp opening 58 defined therethrough. The first end portion 44 may engage the ring mount 26 of the lock plate 20 to limit rotation of the lock hook 40 about the pivot opening 48 in the locked configuration. The second end portion 46 may engage the stop 28 in the unlocked configuration to limit rotation of the lock hook 40 about the pivot opening 48.
When the biasing member 70 is connected to the ring mount 50 of the lock hook 40 and the ring mount 26 of the lock plate 20, the biasing member 70 biases the lock hook 40 towards the locked configuration. The biasing member 70 may be a coil spring that is extended when the lock hook 40 is rotated towards the unlocked configuration such that the biasing member 70 resists the rotation of the lock hook 70 towards the unlocked configuration.
With reference to
The strap clamp 60 is secured to the second end portion 46 of the lock hook 40 by a fastener 92 that passes through the slot 64 and is threaded into the threaded hole 56. When the support strap 80 is received within the strap clamp 60, the support strap 80 passes forward of the clamp walls 68 and is captured between the clamp body 62 and the lock hook 40 with the clamp walls 68 urging the support strap 80 into the lock hook 40. The support strap 80 may be seated in the strap clip 66 to prevent the support strap 80 from moving away from the lock hook 40. The support strap 80 may be positioned between the fastener 92 and the strap clip 66. A portion of the strap clip 66 may be received in the clamp opening 58 when the strap clamp 60 is secured to the lock hook 40. When the strap clamp 60 is secured to the lock hook 40 such the support strap 80 is fixed to the lock hook 40, the support strap 80 transitions the lock hook 40 from the locked configuration to the unlocked configuration as detailed below.
Referring now to
The support strap 80 may include a buckle 90 that receives the support strap 80 about the buckle member 98. The buckle 90 may include a plate rod 96 that is received in the strap connectors 86 of the securement plate 88. The buckle 90 may allow for adjustment of a length of the support strap 80 such that when the securement plate 88 is secured to the structure, the support strap 80 pulls downward on each of the lock hooks 40 to transition each of the drawer interlock devices 10 to the unlocked configurations thereof.
Referring back to
The method includes positioning the piece of furniture 100 with the drawer interlock system 1 in position within a room of a building. With the piece of furniture 100 positioned, the support strap 80 of the drawer interlock system 1 is secured to structure. Securing the support strap 80 includes securing the securement plate 88 of the support strap 80 to the structure. In some embodiments, the structure may be the floor or a portion of a wall below the drawers of the piece of furniture. The structure may be a baseboard, a stud, flooring, or a floorboard. The structure should be sufficient to resist tipping of the furniture. When the securement plate 88 is secured to the structure, the support strap 80 may rotate each of the lock hooks 40 from the locked configuration to the unlocked configuration such that the drawers 110, 120, 130 of the drawer interlock devices 10 are movable from the closed position towards the unlocked positions thereof. In some embodiments, after securing the securement plate 88 to the structure, the support strap 80 may be tightened using the buckle 90 to transition the drawer interlock devices 10 to the unlocked configurations.
The drawer interlock systems 1 detailed herein may be used to prevent pieces of furniture from tipping over when the drawer interlock systems 1 are secured to structure. In addition, when the drawer interlock systems 1 are not secured to structure, the drawers of the furniture are prevented from opening to reduce or prevent the possibility of the furniture tipping over.
While several embodiments of the disclosure have been shown in the drawings, it is not intended that the disclosure be limited thereto, as it is intended that the disclosure be as broad in scope as the art will allow and that the specification be read likewise. Any combination of the above embodiments is also envisioned and is within the scope of the appended claims. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope of the claims appended hereto.
This application claims benefit of, and priority to, U.S. Provisional Patent Application Ser. No. 63/455,307, filed Mar. 29, 2023, the entire contents of which are hereby incorporated by reference.
Number | Date | Country | |
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63455307 | Mar 2023 | US |