Safety latch device

Details Safety latch device Safety latch device

1979-03-26

1981-06-09

Moore, Richard E.

Closure fasteners

Bolts

Multiple

292DIG66, 292DIG69, E05C 1906

Patent

active

042721113

ABSTRACT:
A safety anchor latch device for a metallic latch strike including a plastic latch and a metallic spring member having positive position retaining means and positive strike gripping means which at normal operating temperatures are inoperative and supported by the elements of said plastic latch in space relation to a supporting work structure and the metallic latch strike respectively but which positively engages and retains same when said plastic latch is destroyed by abnormally elevated temperatures.

REFERENCES:
patent: 2526539 (1950-10-01), Carroll
patent: 2712465 (1955-07-01), Tinnerman
patent: 2833583 (1958-05-01), Stone et al.
patent: 2942905 (1960-06-01), Wootton
patent: 2993718 (1961-07-01), Ahlgren
patent: 3038747 (1962-06-01), Rapota
patent: 3241873 (1966-03-01), Russell et al.

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