Lock having an optical bolting means

Details Lock having an optical bolting means Lock having an optical bolting means

1997-02-21

1998-07-14

Saether, Flemming

Closure fasteners

Bolts

Sliding

292165, 292244, E05C 112

Patent

active

057792879

ABSTRACT:
A lock having an optional bolting member is described. It includes a lock case having opposed walls and a latch bolt slidable between a locking position and an unlocking position. The optional bolting member includes a holding bolt introducible through an aperture provided in at least one of the opposed walls. The holding bolt is positionable in a first, relatively retracted position allowing sliding of the latch bolt from its locking position to its unlocking position, and in a second, relatively inserted position preventing sliding of the holding bolt from its locking position to its unlocking position. The optional bolting member further includes a biasing member for yieldably retaining the holding bolt in its first and second positions.

REFERENCES:
patent: 2295435 (1942-09-01), Teich
patent: 2327243 (1943-08-01), Booth
patent: 2386868 (1945-10-01), Karczewski
patent: 4479671 (1984-10-01), Colombo
patent: 5141268 (1992-08-01), Keller

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