US PATENT SUBCLASS 29 / 892.2
.~.~ Disc splitting to form pulley rim groove

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
892  DF  .~ Pulley making {3}
892.2.~.~ Disc splitting to form pulley rim groove

DEFINITION

Classification: 29/892.2

Disc splitting to form pulley rim groove:

(under subclass 892) Process wherein a circular metal blank is rotated and caused by a tool to divide at its periphery into at least one band or belt receiving channel which is incorporated into a pulley rim.

SEE OR SEARCH CLASS

72, Metal Deforming,

82, for metal deforming by use of rotating shape imparting tool during work spinning by work holder.