Knob latch

Details Knob latch Knob latch

1986-02-20

1988-03-22

Gall, Lloyd A.

Closure fasteners

Bolts

Swinging

70216, 70478, 292152, E05C 304

Patent

active

047324180

ABSTRACT:
A door latch employs removable standoff posts in a concealed mounting, and a lockable latching mechanism which includes a locking slide manually actuatable from the inside of the door and movable from the locked to the unlocked position by a rotary cam member connected to a key-operated lock cylinder on the outside of the door with a forked one-piece operator shaft spanning the rotary cam member to interconnect the inside handle and the outside knob.

REFERENCES:
patent: 777686 (1904-12-01), Moore et al.
patent: 1093630 (1914-04-01), Kelly
patent: 2620213 (1952-12-01), Keeler
patent: 2707121 (1955-04-01), Behnke
patent: 2851871 (1958-09-01), Newell
patent: 2873990 (1959-02-01), Friedman et al.
patent: 2929651 (1960-03-01), Friedman et al.
patent: 3159994 (1964-12-01), Schulz
patent: 3797869 (1974-03-01), Shaw
patent: 4296619 (1981-10-01), Widen

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