Control mechanism for a door lock

Details Control mechanism for a door lock Control mechanism for a door lock

1993-04-15

1994-07-05

Gall, Lloyd A.

Locks

Special application

For closures

292 36, E05B 5900

Patent

active

053256875

ABSTRACT:
A control mechanism for a door lock includes an outer cap, an inner cap, a plate fixed in the inner cap, an axle and a tube disposed in the inner cap and extended through the plate and extended toward the outer cap, a slide including a pair of oblong holes engaging with the axle and the tube and slidable relative to the plate. The slide includes two shoulders formed in the upper and lower portion and a pair of protrusions extended toward the plate, and a coupling device engaged between the tube and the axle for coupling the tube and the axle together.

REFERENCES:
patent: 3910613 (1975-10-01), Nolin
patent: 3999789 (1976-12-01), Maurits et al.
patent: 4156541 (1979-05-01), Babb, Jr. et al.
patent: 4183563 (1980-01-01), Stevens
patent: 4418552 (1983-12-01), Nolin
patent: 4709565 (1987-12-01), Lin
patent: 4838053 (1989-06-01), Shen
patent: 4979767 (1990-12-01), Lin

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