Closure fasteners – Bolts – Multiple
Patent
1981-07-22
1984-02-21
Wolf, Robert L.
Closure fasteners
Bolts
Multiple
70118, 70418, 292 39, 292150, E05B 6314, E05C 106, E05C 910, E05C 914
Patent
active
044325738
ABSTRACT:
A locking system for safe doors of the type comprising a turnable handle or handwheel for operating one or more sets of bolts between a locked position, wherein the bolts project into the door rim, and an unlocked position, wherein the bolts are withdrawn from the door rim. The system is characterized by bolt-securing means in the form of locking pins adapted to be inserted, in the locked position of the bolt, into aligned bores formed through each bolt and through a wall of a fixed bolt housing block slidingly supporting the bolt during the displacement thereof between the locked and unlocked positions.
The pins are displaced into their locking or inserted position immediately after the locking of the bolts during a continuous rotation of the handle.
REFERENCES:
patent: 512022 (1894-01-01), Gower
patent: 564388 (1896-07-01), Merritt
patent: 826607 (1906-07-01), Price
patent: 1600982 (1926-09-01), Golloway et al.
patent: 2486460 (1949-11-01), Bonenberger
patent: 2488524 (1949-11-01), Castellano
patent: 2918883 (1959-12-01), Graber et al.
patent: 2946214 (1960-07-01), Gotay
patent: 3545799 (1970-12-01), Gertsfeld
Pietruszka Carl F.
Wolf Robert L.
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