Drive assembly for clutch plate

Details Drive assembly for clutch plate Drive assembly for clutch plate

1991-03-25

1991-10-22

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Axially engaging

192 7016, 403356, F16D 1370, F16D 306

Patent

active

050587196

ABSTRACT:
A drive assembly is adapted for engagement with a driven clutch plate of a heavy-duty truck. The drive assembly incorporates a drive pin comprising a shank inserted into a flywheel, and a spindle which extends radially inwardly from the flywheel. A drive head is rotatably mounted on the spindle, which incorporates a groove containing a compressible friction ring for assuring frictional retention of the head. The drive pin includes a shoulder situated intermediate shank and spindle, the shoulder incorporating a frustoconical portion to provide a tapered bearing surface for rotatably supporting the drive head on the spindle. The shoulder also contains a radially extending annulus which faces the shank, the annulus adapted for limiting depth of insertion of the shank into the flywheel. In the same preferred form, the drive head has a tapered counterbore to matingly engage the frustoconical portion, and also contains a plurality of chamfered surfaces adjacent opposed ends of the head. The chamfered surfaces facilitate engagement of the head into a drive slot of a driven plate during clutch assembly.

REFERENCES:
patent: 1998613 (1935-04-01), Ford
patent: 2257877 (1941-10-01), Binder
patent: 2848732 (1958-08-01), Huff
patent: 2905490 (1959-09-01), Trandel
patent: 3048248 (1962-08-01), Becknell
patent: 3317013 (1965-05-01), Smirl
patent: 3424288 (1969-01-01), Sink
patent: 4120071 (1978-10-01), Crescenzi
patent: 4333554 (1982-06-01), Sink et al.
patent: 4479569 (1984-10-01), Kummer et al.
patent: 4579473 (1986-04-01), Brugger

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