Automatically locking crossbolt deadlock

Details Automatically locking crossbolt deadlock Automatically locking crossbolt deadlock

E - Fixed Constructions

05

B

70/38, 70/56

E05B 65/00 (2006.01)

Patent

CA 1156481

Abstract of the Disclosure An improved automatically locking crossbolt deadlock of the type having a housing with a front face and a substantially circular recess therein, a rotatable handle secured to the front face for operating a movable crossbolt contained inside the housing, the crossbolt being movable between an unlocked position and a locked position in which the crossbolt engages the strike, and the handle including a hub fitting into the recess of the housing. The improvement consists in the provision of a lock cylinder within the hub of the handle, the lock cylinder including a locking pin movable towards and away from the front face of the housing upon operation of the lock cylinder, and the recess in the front face of the housing including an opening into which the locking pin is received for preventing rotation of the handle. Rotation of the handle is allowed only upon removal of the locking pin from the opening.

416432

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