US PATENT SUBCLASS 29 / 892
.~ Pulley making

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
892.~ Pulley making {3}
892.1  DF  .~.~> Assembly {1}
892.2  DF  .~.~> Disc splitting to form pulley rim groove
892.3  DF  .~.~> Groove forming in sheet metal pulley rim

DEFINITION

Classification: 29/892

Pulley making:

(under subclass 592) Process of manufacturing a wheel for transmitting power by means of a band or belt type member passing over its rim.

SEE OR SEARCH CLASS

474, Endless Belt Power Transmission Systems or Components,

152+, for positive drive pulley structure and subclasses 166+ for friction drive pulleys or guide roll structure.