Dead bolt assembly for tubular door locks

Details Dead bolt assembly for tubular door locks Dead bolt assembly for tubular door locks

1992-11-24

1993-11-02

Moore, Richard E.

Closure fasteners

Adjustable backset

292DIG61, E05C 116

Patent

active

052578380

ABSTRACT:
A door lock includes a dead bolt slidably received in a cylinder and including a pair of extensions extended outward beyond the cylinder, a pair of plates fixed to the cylinder, an oblong hole formed in each of the plates, an actuating wheel slidably engaged in the oblong holes of the plates and including a pair of teeth for engagement with the protrusions of the extensions when the actuating wheel rotates. A resilient member is fixed to one of the plates for positioning the actuating wheel.

REFERENCES:
patent: 663503 (1900-12-01), Laureyns
patent: 4639025 (1987-01-01), Fann et al.
patent: 4804216 (1989-02-01), Marotto
patent: 4850626 (1989-07-01), Gallego
patent: 4890871 (1990-01-01), Lin
patent: 4927195 (1990-05-01), Wu et al.
patent: 4927199 (1990-05-01), Wu et al.
patent: 4976122 (1990-12-01), Doolan et al.
patent: 5002319 (1991-03-01), Chandler
patent: 5169184 (1992-12-01), Bishop

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