Closure fasteners – Bolts – Sliding
Patent
1990-07-31
1991-10-22
Moore, Richard E.
Closure fasteners
Bolts
Sliding
70134, 292153, E05C 116
Patent
active
050589407
ABSTRACT:
An automatic dead bolt lock has a main bolt member and an auxiliary bolt member supported on the main bolt member so as to be reciprocally movable relative thereto. Both the main and auxiliary bolt members will be dead locked when the lock is in the dead locked condition. In the armed condition the main bolt member is partly extended and the auxiliary bolt member extends from the end of the main bolt member.
REFERENCES:
patent: 2650121 (1953-08-01), Schlage
patent: 3036850 (1962-05-01), Schmid
patent: 4272974 (1981-06-01), Hennessy
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