Locking accessory

Details Locking accessory Locking accessory

1990-12-28

1991-12-17

Smith, Gary L.

Closure fasteners

Bolts

Swinging

292359, 292150, E05C 304, E05B 1302

Patent

active

050729764

ABSTRACT:
For use with a deadbolt lock having an actuating knob, a lock plate and a tailpiece engaging the actuating knob, a lock accessory comprises an intermediate plate for location between the lock plate and a door on which the lock is provided. The intermediate plate has an opening through which the tailpiece extends and a manually actuatable locking member mounted on the intermediate plate for selectively preventing and permitting rotation of the tailpiece. The locking member is displaceable into a first position, in which the locking member is in locking engagement with the tailpiece, and a second position, in which the locking member is displaced out of locking engagement with the tailpiece, and has a portion which can be manually engaged for effecting the displacement of the locking member between the first and second positions.

REFERENCES:
patent: 59076 (1866-10-01), Richardson
patent: 396571 (1889-01-01), Iddings et al.
patent: 666800 (1901-01-01), Chase
patent: 956947 (1910-05-01), Curlett
patent: 1348047 (1920-07-01), Peterson et al.
patent: 1681147 (1928-08-01), Dexter
patent: 1760394 (1930-05-01), Best et al.
patent: 2733089 (1956-01-01), Grevengoed
patent: 2851871 (1958-09-01), Newell
patent: 2929651 (1956-11-01), Friedman et al.

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