US PATENT SUBCLASS 29 / 892.3
.~.~ Groove forming in sheet metal pulley rim

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}
892.3.~.~ Groove forming in sheet metal pulley rim

DEFINITION

Classification: 29/892.3

Groove forming in sheet metal pulley rim:

(under subclass 892) Process wherein a thin metal blank is shaped into at least one band or belt receiving channels which is incorporated into a pulley rim.

SEE OR SEARCH CLASS

474, Endless Belt Power Transmission Systems or Components,

166+, for pulleys with single or plural rim groove structure.