Auxiliary locking device for a door knob

Details Auxiliary locking device for a door knob Auxiliary locking device for a door knob

1992-10-09

1993-06-22

Moore, Richard E.

Closure fasteners

Portable securer plate or bar

Screw-holding member

E05C 1754

Patent

active

052211169

ABSTRACT:
An auxiliary locking device to be employed in a door knob includes a lock body that has at least two parallel through-bores extending through the body. A first retaining bolt is slidably received in one of the through-bores and includes two ends extending out from the lock body. A second retaining bolt is slidably received in the other one of the through bore and has an end portion extending from the lock body. The end portion of the second bolt has a plate member with an opening around the periphery of which a wall body is mounted. The wall body confines a through-hole that generally has a cross-section equal to and in communication with the opening.

REFERENCES:
patent: 359815 (1887-03-01), Sargent
patent: 553496 (1896-01-01), Caminetti
patent: 928820 (1909-07-01), Tabor
patent: 1082121 (1913-12-01), Herman
patent: 1888425 (1932-11-01), Dowling
patent: 5131245 (1992-07-01), Chen

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