Latchset and strike assembly for doors

Details Latchset and strike assembly for doors Latchset and strike assembly for doors

1981-07-06

1984-01-31

Smith, Gary L.

Closure fasteners

Bolts

Sliding

E05C 102

Patent

active

044286066

ABSTRACT:
A casing for support from the free swinging edge of a door is provided and a latch bolt is shiftably supported from the casing for movement between projected and retracted positions. The bolt is spring-biased toward the retracted position and a strike is further provided for stationary mounting on a frame member toward and away from the associated door and casing may swing to the closed and open positions, respectively. A bolt operator is shiftably supported from the casing for shifting between first and second positions and the bolt operator and bolt include coacting portions to positively shift the bolt to its projected position responsive to movement of the operator to its first position. The strike and bolt operator include coacting portions operative to shift the operator toward the first position responsive to final movement of the casing toward a closed position and spring-biased gate structure is supported from the casing for movement between applied and released positions and the gate structure is automatically shiftable to the applied position responsive to movement of the bolt to the projected position for preventing movement of the bolt from the projected position toward its retracted position. A bolt release is shiftably supported from the casing and may be shifted from an idle position to a release position for shifting the gate structure from its applied position to its release position.

REFERENCES:
patent: 1203394 (1916-10-01), Ottinger
patent: 1394635 (1921-10-01), Maturo
patent: 1523186 (1925-01-01), Elwell
patent: 1850516 (1932-03-01), Ross
patent: 2188642 (1940-01-01), Keats
patent: 2649324 (1953-08-01), Kanell

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