Lock for roller shutters

Details Lock for roller shutters Lock for roller shutters

1978-09-28

1980-10-28

Wolfe, Robert L.

Locks

Portable

Padlocks

70 52, E05B 6736

Patent

active

042299551

ABSTRACT:
The lock for roller shutters comprises a hood-shaped body secured to the roller shutter and presenting a cavity directed downwardly, in such a manner that, when the roller shutter is lowered to its closure condition, the body encloses within its cavity an anchoring ring fastened to the threshold of the door. A straight bolt is mounted axially slidable in the lock body, so as to be capable of engaging the anchoring ring. A cylinder lock mechanism, also housed in the body, ensures the locking of the slidable bolt in its closure position.

REFERENCES:
patent: 1546021 (1925-07-01), Parmele
patent: 2660872 (1953-12-01), Beach
patent: 3263463 (1966-08-01), Duval
patent: 3581530 (1971-06-01), Respadori
patent: 3996774 (1976-12-01), Best

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