Locks – Special application – For control and machine elements
Patent
1983-06-13
1987-04-07
Wolfe, Robert L.
Locks
Special application
For control and machine elements
292347, E05C 1300
Patent
active
046550593
ABSTRACT:
A keyed lever handle for a cylindrical lock comprises a handle body which is rotatably mounted by its neck on the knob sleeve of the lock and is removably held by a retainer and is connected for rotation with the sleeve by a driver which releases under excess torque, either yieldingly or by break-away of a driver lug. An outward-extending body shell telescopically receives and supports an outer handle shell integral with a handle lever. The outer shell has an inward-extending end flange spaced from the end face of the body shell to define therebetween an inward-opening groove which receives a retainer for an end face closure mounted in the cylindrical open end of the assembled shells. The retainer may be a separate snap ring or an integral flange on the closure. The closure member receives a key-operated and removable core, and its rotative mounting permits different orientations to suit the hand of the door, and also permits the lever handle to rotate when drive is released under excess torque.
REFERENCES:
patent: 738503 (1903-09-01), Waters
patent: 3827739 (1974-08-01), Overholser
patent: 4052868 (1977-10-01), Best et al.
patent: 4062579 (1977-12-01), Potter et al.
patent: 4195502 (1980-04-01), Best et al.
patent: 4222253 (1980-09-01), Peitsmeier
patent: 4326738 (1982-04-01), Loftus et al.
patent: 4342478 (1982-08-01), Foshee
patent: 4394821 (1983-07-01), Best et al.
patent: 4397489 (1983-08-01), Lind
Best Walter E.
Foshee William R.
Best Lock Corporation
Illich Russell W.
Wolfe Robert L.
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