Closure fasteners – Bolts – Sliding
Patent
1992-02-14
1993-01-05
Moore, Richard E.
Closure fasteners
Bolts
Sliding
292DIG61, E05C 116
Patent
active
051764164
ABSTRACT:
An auxiliary lock has an actuating plate provided with an arm to push two teeth in a pulling plate to extend out or retract in a dead bolt. The actuating plate has two straight sides forming a 90.degree. to selectively contact the middle portion of a plate spring, which has one moveable and a fixed end.
REFERENCES:
patent: 3000044 (1961-09-01), Allen et al.
patent: 4315647 (1982-02-01), Wilzig et al.
patent: 4664433 (1987-05-01), Solovieff
patent: 4772055 (1988-09-01), Fang
patent: 4890871 (1990-01-01), Lin
patent: 4957315 (1990-09-01), Lin
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