Claims
- 1. In a storage cabinet of the type including a cabinet housing with a back side, and a plurality of cabinet drawers mounted for sliding movement into and out of the cabinet housing, said drawers having a back side in opposed proximity to the back side of the housing when the drawers are closed, the improvement of a remote control locking system for locking and releasing the drawers from a closed position in the cabinet housing, said locking system comprising, in combination:a latch plate projecting rearwardly from the back side of at least one drawer, said latch plate including a retention hook for engaging a vertical locking bar; a vertical locking bar adjacent the back side of the housing pivotally mounted to move about a pivot mount arcuately along a path for engagement with the latch plate, said locking bar mounted on and attached to a lever arm pivotal about the pivotal mount of the locking bar, said lever arm defining said pivot mount away from said vertical locking bar and including a cam surface, the cam surface and locking bar being on opposite sides of the pivot mount; a cam member mounted on the housing and rotatable about an axis to engage the cam surface, said cam shaped to engage the cam surface and effect pivoting of the lever arm and locking bar from engagement with the latch plate upon rotation of the cam to a first position, and to release the lever arm to effect engagement of the locking bar with the latch plate; means for rotating the cam including a drive motor with an output shaft connect to the cam; remote signal control means for controlling of the operation of the motor.
- 2. The improvement of claim 1 further including a sensor on the motor shaft for sensing the rotational position of the shaft and the cam.
- 3. The improvement of claim 1 further including a manually operable auxiliary cam mounted in the housing for engaging or operating the lever arms.
- 4. The improvement of claim 3 wherein the auxiliary cam is mounted in the back of the housing.
- 5. The improvement of claim 3 wherein the auxiliary cam is key operated.
- 6. The improvement of claim 1 wherein the locking bar is mounted on lever arms affixed to the opposite ends of the bar, said arms pivotally attached to the cabinet housing.
- 7. The improvement of claim 2 wherein the sensor comprises an auxiliary sensor to sense a first position of the shaft indicating partial rotational movement of the shaft to position the latching bar in a partially open or closed position and a main sensor to indicate rotational movement of the shaft to position the latching bar in a fully open or closed position.
- 8. The improvement of claim 1 further including a biasing member for biasing the lever arm to maintain the locking bar in the locked position engaging the latch plate.
CROSS REFERENCE TO RELATED APPLICATION
This is a utility application based upon provisional application Ser. No. 60/118,557 filed Feb. 4, 1999 for which priority is claimed.
US Referenced Citations (15)
Provisional Applications (1)
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Number |
Date |
Country |
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60/118557 |
Feb 1999 |
US |