Door latch

Details Door latch Door latch

1980-06-17

1983-05-10

Moore, Richard E.

Closure fasteners

Bolts

Swinging

292298, E05C 304

Patent

active

043826210

ABSTRACT:
Rigid with a plate mounted on a door jamb is an inward extension, on the free end of which is pivoted a latch which swings between door-blocking and door-unblocking positions. The latch is releasably retained in door-blocking position by a flat strip having one end pivoted to the latch and a free end engageable between the door and the door jamb. The latch also has an intermediate position which permits the door to be cracked open.

REFERENCES:
patent: 281174 (1883-07-01), Briggs et al.
patent: 800007 (1905-09-01), Niles
patent: 892462 (1908-07-01), Stewart
patent: 960521 (1910-06-01), Early
patent: 970273 (1910-09-01), Sorrow
patent: 1065965 (1913-07-01), Palmer et al.
patent: 4311330 (1982-01-01), Lum

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