Mountings for keys

Details Mountings for keys Mountings for keys

1980-08-28

1983-01-04

Wolfe, Robert L.

Locks

Operating mechanism

Key

70397, 70398, E05B 1900

Patent

active

043666884

ABSTRACT:
A key rotatably supported in a mounting and capable of being brought into engagement with a lock is held in the correct orientation for engaging the lock by being locked to the mounting by a retractable sleeve. Only when the mounting is brought into engagement with the lock does a portion of the lock engage the sleeve and push it back relative to the mounting to free the key for rotation. The mounting may be on a moveable part of a machine guard with the lock on a fixed part and controlling operation of the machine.

REFERENCES:
patent: 14059 (1856-01-01), Harrison
patent: 1237115 (1917-08-01), Stein
patent: 4018069 (1977-04-01), Lipschutz
Unimax Publication Date-prior to Mar. 29, 1982 submitted with application No. 182,225.

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