Door latch apparatus

Details Door latch apparatus Door latch apparatus

1988-01-28

1989-07-11

Smith, Gary L.

Closure fasteners

Extension link

Slotted bar

292272, 292262, E05C 1704

Patent

active

048465143

ABSTRACT:
A door latch apparatus has a door latch face plate adapted to be attached to a doors edge and a door latch bolt adjustably fastened to the door face plate and having a latch head on one end thereof protruding from the door latch face plate. A door jamb bracket has a latch head track formed therein for receiving the door latch bolt latch head therein when the door is closed. A latching member is hinged to the door jamb bracket and has a latch head track formed therein. The latching member has an unlatched position swung out of the path of the latch bolt latch head protruding from the door and a latched position aligning the position of the latched member latch head track with the door jamb bracket latch head track so that the latch bolt head will slide from the door jamb bracket latching head track into the latching member latching head track when the latch member has been placed in a latched position while the door is closed.

REFERENCES:
patent: 222338 (1879-12-01), Wittich
patent: 355419 (1887-01-01), Sprado
patent: 687348 (1901-11-01), Speirs
patent: 726645 (1903-04-01), Connor
patent: 768528 (1904-08-01), Kalb et al.
patent: 984612 (1911-02-01), Spangler
patent: 1388712 (1921-08-01), Hoffman
patent: 1524088 (1925-01-01), Ernst
patent: 1596183 (1926-08-01), Horlick, Jr.
patent: 2030916 (1936-02-01), Gard
patent: 2505320 (1950-04-01), Bernhard
patent: 2919945 (1960-01-01), Tannen
patent: 4017104 (1977-04-01), Walker
patent: 4062578 (1977-12-01), Chen

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