Auxiliary lock with an extensible device

Details Auxiliary lock with an extensible device Auxiliary lock with an extensible device

1986-11-12

1988-06-21

Smith, Gary L.

Closure fasteners

Adjustable backset

292337, 292DIG60, E05C 116

Patent

active

047520906

ABSTRACT:
This auxiliary lock has a main cylinder, an extending cylinder, a linking plate, a dead bolt, an assembling plate and a fixing plate that, through the screwed notch and a fixing pin can connect selectively together in a short or long position and is therefore able to change the distance between the fixing plate and the assembling plate.

REFERENCES:
patent: 1661454 (1928-03-01), Wilson
patent: 2586066 (1952-02-01), Larson
patent: 2822202 (1958-02-01), Welch
patent: 2937897 (1960-05-01), Soderberg
patent: 4372594 (1983-02-01), Gater
patent: 4564229 (1986-01-01), Mullich et al.
patent: 4593542 (1986-06-01), Rotondi et al.
patent: 4602490 (1986-07-01), Glass et al.
patent: 4639025 (1987-01-01), Fann et al.
patent: 4653787 (1987-03-01), Fang
patent: 4662665 (1987-05-01), Lin
patent: 4664433 (1987-05-01), Solovieff
patent: 4687239 (1987-08-01), Lin

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