Security bolt

Details Security bolt Security bolt

1986-08-22

1988-02-16

Wolfe, Robert L.

Locks

Special application

For closures

70134, 70100, 70DIG42, 292153, E05B 6506

Patent

active

047246901

ABSTRACT:
A security bolt including a housing and a bolt rod slidably mounted on that housing for relative movement between operative and inoperative positions. The rod is cylindrical and has a section of reduced diameter between its ends so as to form two opposed shoulders. Key operated locking mechanism, having a rotatable barrel, is attached to the housing and a detent member is rotatably mounted on an end portion of that barrel. The detent member is rotatable to a position at which it engages one of the rod shoulders and thereby prevents movement of the rod out of the operative position. Rotation of the detent member is caused by rotation of the barrel, but a lost motion connection enables the barrel to rotate to a limited extent in either direction without causing corresponding rotation of the detent member. The locking mechanism can be removed from the housing through a rear side and releasable securing means controls that removal. A floating member located between the rod shoulders is arranged to be trapped between one of those shoulders and an opposed surface of the housing so as to prevent separation of the rod from the housing in one direction.

REFERENCES:
patent: 3691799 (1972-09-01), Hoffmann
patent: 3877261 (1975-04-01), Robins
patent: 4434634 (1984-03-01), Dunphy

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