Method of making recesses in metallic workpieces for use torque

Details Method of making recesses in metallic workpieces for use torque Method of making recesses in metallic workpieces for use torque

1993-09-21

2000-05-02

Marmor, Charles A

192 clutches and power-stop control

Clutches

Axially engaging

192212, 74572, B21K 2100, B21D 5388, F16D 1360, B60K 1702

Patent

active

060560991

ABSTRACT:
A selected portion of a surface of a metallic workpiece such as the end surface of a tubular workpiece, is provided with one or more recesses by resorting to a tool having a preferably pointed tip and being driven into the surface to displace the material of the workpiece substantially transversely of the thus obtained recess. The latter can be used to facilitate the establishment of a separable connection between the workpiece and a substantially disc-shaped section of a cover or housing in a friction clutch for use in motor vehicles. The tool can be left in the recess to serve as a locating or centering device for the workpiece.

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patent: 5161660 (1992-11-01), Huber
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patent: 5279182 (1994-01-01), Fukushima
patent: 5293977 (1994-03-01), Friedmann
patent: 5301780 (1994-04-01), Jackel

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