Automatically locking crossbolt deadlock

Details Automatically locking crossbolt deadlock Automatically locking crossbolt deadlock

1979-12-12

1982-06-01

Moore, Richard E.

Closure fasteners

Bolts

Sliding

E05C 310

Patent

active

043324070

ABSTRACT:
An automatically locking crossbolt deadlock (2). Deadlock (2) includes a vertically movable crossbolt (36) which may be moved between locked and unlocked positions. A lock button (200) is movable between a first position in which the lock button (200) positively holds crossbolt (36) in its locked position and a second position in which crossbolt (36) is free to move. A drive lever (43) is provided for moving crossbolt (36) between its locked and unlocked positions. Lock button (200) is moved from its first to its second position upon rotation of a handle (130) so that a panic exit may be accomplished without manually unlocking lock button (200). In addition, lock button (200) is movable to a third position for holding crossbolt (36) in its unlocked position to provide an anti-lock out feature. Rotatable handle (130) includes a lock cylinder (63) therein.

REFERENCES:
patent: 1038512 (1912-09-01), Anderson
patent: 3912309 (1975-10-01), Fischer et al.
patent: 4061383 (1977-12-01), Waldo

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