1976-09-02
1978-02-21
Wolfe, Robert L.
Locks
Hasp
Key lock
70 75, 292247, E05B 6548
Patent
active
040745490
ABSTRACT:
A lock mechanism comprising a mounting part, a manually operable part, a retaining part and a stabilizer part, said parts being pivotally connected together as a substantially parallelogram linkage with the retaining part and mounting part located on opposed sides of such linkage; the manually operable part, retaining part and stabilizer part of the linkage being pivotable relative to the mounting part between a locking condition, in which the retaining part is intended to engage a component which is to be secured by the mechanism and further in which the operable part is substantially parallel with and lies adjacent to the mounting part, and a release condition, in which the retaining part is intended to be disengaged from said securable component; pivotal movement of the linkage between its locking and release conditions being effected by manual displacement of the operable part relative to the mounting part. A lock device is provided on one of said parts to be optionally engageable with a further of said parts by which pivotal movement of the linkage can be prevented when the mechanism is in its locking condition.
REFERENCES:
patent: 2300508 (1942-11-01), Komenek
patent: 3030137 (1962-04-01), Cheney
patent: 3321230 (1967-05-01), Stollman
patent: 3584906 (1971-06-01), Budzyn
Kwoon Kwen Metal Ware Company Limited
Wolfe Robert L.
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