A drawer locking device for a drawer including at least one side wall, the drawer slidingly closable within a cabinet frame, the drawer locking device including: a mounting portion including three walls defining a U-shaped slot including an inner wall, an outer wall, and a top wall forming a space b
A drawer locking device for a drawer including at least one side wall, the drawer slidingly closable within a cabinet frame, the drawer locking device including: a mounting portion including three walls defining a U-shaped slot including an inner wall, an outer wall, and a top wall forming a space between the inner wall and outer wall; and a latching portion pivotally coupled to the inner wall, the latching portion including a rear ramp surface, a front surface, and a release lever, wherein, when the drawer safety latch is installed on the drawer side wall such that the drawer side wall is positioned within the space between the inner wall and outer wall, the rear ramp faces the rear of the drawer and the front surface faces the front of the drawer, wherein the latching portion is defeatably biased towards a lock position.
대표청구항▼
1. A drawer locking device to be used with a drawer including at least one side wall, the drawer slidingly closable within a cabinet frame, the claimed drawer locking device comprising: a mounting portion including three walls defining a U-shaped slot including an inner wall, an outer wall, and a to
1. A drawer locking device to be used with a drawer including at least one side wall, the drawer slidingly closable within a cabinet frame, the claimed drawer locking device comprising: a mounting portion including three walls defining a U-shaped slot including an inner wall, an outer wall, and a top wall forming a space between the inner wall and outer wall;a latch housing including a first cylindrical protrusion and a second cylindrical protrusion, the cylindrical protrusions defining a first central passage and a second central passage, respectively; anda latching portion pivotally coupled to the inner wall by a first screw engaged through the first cylindrical protrusion and a second screw engaged with the cylindrical protrusion, wherein the latching portion pivots around the first cylindrical portion and the degree to which the latching portion pivots is restricted by the position of the second cylindrical portion within an elongated, arced opening, the latching portion including a rear ramp surface, a front surface, and a release lever, wherein, when the drawer safety latch is installed for use on the drawer side wall such that the drawer side wall is positioned within the space between the drawer locking device's inner wall and outer wall, the rear ramp is positioned closer to the rear of the drawer than the front surface and the front surface faces the front of the drawer, wherein the latching portion is defeatably biased towards a lock position by a spring;wherein, during closing of the drawer with which the drawer locking device is being used, the rear ramp engages the cabinet frame actuating the latching portion to defeat the bias towards the lock position to place the latching portion in an open position;upon fully closing of the drawer with which the drawer locking device is being used, the rear ramp disengages from the cabinet frame and the latching portion returns to the lock position;when the latching portion is in the lock position, during attempted opening of the drawer with which the drawer locking device is being used, the front surface of the latching portion encounters the cabinet frame restricting further opening of the drawer; andin response to a user engaging the release lever of the latching portion to defeat the bias towards the lock position, the latching portion moves to the open position permitting the drawer with which the drawer locking device is being used to be opened. 2. The drawer locking device of claim 1 further including an adjustable mounting mechanism that comprises the first screw and the second screw that user-selectively engages and releases the drawer side wall within the space between the inner wall and outer wall. 3. The drawer locking device of claim 2 wherein at least one of the first screw and the second screw in the adjustable mounting mechanism is an adjustable screw. 4. The drawer locking device of claim 3 wherein the at least one adjustable screw includes a knob. 5. The drawer locking device of claim 1 wherein the rear ramp surface is linear over greater than 90% of its length. 6. The drawer locking device of claim 1 wherein the when the drawer safety latch is installed on the drawer side wall such that the front surface faces the front of the drawer, the release lever is positioned closer to the front of the drawer than the front surface. 7. The drawer locking device of claim 6 wherein the release lever and front surface are integrally formed.
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이 특허에 인용된 특허 (22)
Juan, Teng-Yi; Chen, Shih-Wang, Automatic locking/unlocking apparatus for a drawer.
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