Locking mechanism for windows or doors

Details Locking mechanism for windows or doors Locking mechanism for windows or doors

1994-03-17

1995-08-01

Cuomo, Peter M.

Closure fasteners

Bolts

Sliding

49362, E05C 918

Patent

active

054374855

ABSTRACT:
A locking mechanism for driving a lock bolt comprises a housing. A pinion has an outer circumference and is rotatably mounted in the housing. The pinion has a plurality of teeth and tooth gaps are disposed between adjacent teeth. A predetermined number of the tooth gaps have an abutment that extends outwardly substantially to the outer circumference of the pinion. A toothed rod is coupled to the lock bolt. The toothed rod is engaged by the pinion. A spring loaded detent device arrest the rotational movement of the detent in a switching position of the lock bolt.

REFERENCES:
patent: 4458928 (1984-07-01), Hirschbein
patent: 4921285 (1990-05-01), Loos
patent: 5102174 (1992-04-01), Prevot
patent: 5245846 (1993-09-01), James
patent: 5265452 (1993-11-01), Dawson et al.

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