Safes – bank protection – or a related device – Wall and panel structures – closures and closure adjuncts – Closures
Patent
1977-02-07
1978-03-28
Wolfe, Robert L.
Safes, bank protection, or a related device
Wall and panel structures, closures and closure adjuncts
Closures
E05G 1026
Patent
active
040809080
ABSTRACT:
A shutter assembly for a sized slot or aperture generally in the front wall or partition of a depository safe or other security box or enclosure has a closure member having at least one portion wider than the sized slot or aperture disposed for sliding movement in channels formed on opposite sides of said sized slot or aperture to move from a position normally maintaining the sized slot or aperture closed to a position where the sized slot is open and vice versa. The closure member has a cam follower and is movable from open to closed position and maintained in closed position by a cam assembly which includes, a cam lever, means extending through said wall or partition for operative association with an actuator such as a key or handle for moving the cam lever into and out of engagement with the cam follower on the closure member, the closure member being further operatively associated with a spring or the like resilient means which is slightly compressed on opening movement of the closure member so that the spring acts to minimize the initial torque requirements of the cam assembly for moving the closure member from the open to the closed position.
Preferably the cam assembly should include lock means which extends through the wall or partition of the depository safe or security box and can be operated by a key from the exterior thereof.
REFERENCES:
patent: 425508 (1890-04-01), Harrison et al.
patent: 1607361 (1926-11-01), Poland et al.
patent: 1852053 (1932-04-01), Jendrek
patent: 3433185 (1969-03-01), Roberts
Bobis Daniel H.
Corbin David H.
Wolfe Robert L.
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