Safes – bank protection – or a related device – Wall and panel structures – closures and closure adjuncts – With closure fastening means
Patent
1980-03-26
1981-05-12
Corbin, David H.
Safes, bank protection, or a related device
Wall and panel structures, closures and closure adjuncts
With closure fastening means
70 15, 292153, E05G 104
Patent
active
042664888
ABSTRACT:
A relocking mechanism for a safe or like security closure comprises one or more relocking devices mounted on a panel of the closure rearwardly of the main bolt and operable to prevent retraction of the bolt. Each of the relocking devices includes a mounting plate carrying a pair of unidirectional hinges constituted by roller clutches, a plate-like bolt-engaging member being connected to the hinges for uni-directional pivotal movement from a disengaging position to bolt-engaging position. The bolt-engaging member is resiliently biassed towards the bolt-engaging position but is normally retained in the disengaging position by a control element which releases the member in the event of forcible attack on the closure.
REFERENCES:
patent: 1568740 (1926-01-01), Kinnear
patent: 2425262 (1947-08-01), Newton
patent: 2947160 (1960-08-01), Wolters
patent: 3746136 (1973-07-01), Marola
Chubb Industries Ltd.
Corbin David H.
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