Drawer locking system

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 65/46 (2006.01) E05B 65/44 (2006.01) E05B 17/04 (2006.01)

Patent

CA 2110974

A lock system for an article of furniture such as a cabinet or pedestal having one or more drawers or doors includes a lock bar movable between locked and unlocked positions responsive to an actuator and operating mechanism. The actuator and operating mechanism includes a lead screw which provides front-rear movement of a slider to which a toothed rack is mounted, in response to key operation of the lock mechanism by an operator. A toothed pinion is engaged with the toothed rack, and is rotatable in response to the front-rear movement of the rack. A pair of shafts are mounted to and rotatable with the pinion, extending between the pinion and a pair of levers mounted one on each side of the cabinet. Each lever is pivotably mounted, and includes an arm for lifting and lowering the lock bar in response to rotation of the shaft.

Système de verrouillage pour mobilier de bureau tel un classeur ou un caisson de bureau comportant un plusieurs tiroirs ou portes; les système en question comporte une barre de verrouillage pouvant passer d'une position de verrouillage à une position de déverrouillage sous l'action d'un actionneur et d'un mécanisme de manoeuvre. L'actionneur et le mécanisme de manoeuvre comportent une vis de commande qui produit le déplacement avant-arrière d'une élément coulissant doté d'une crémaillère en réaction à la manoeuvre du mécanisme de verrouillage. Un pignon denté en prise avec la crémaillère est animé d'un mouvement de rotation à chaque mouvement de la crémaillère. Une paire d'axes reliés à une paire de leviers disposés de part et d'autre du classeur tournent au gré du pignon denté. Chaque levier est monté en pivotement et comporte un doigt servant à soulever ou abaisser la barre de verrouillage dans un mouvement solidaire de la rotation de l'axe.

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