US PATENT SUBCLASS 476 / 73
.~.~ Metallic


Current as of: June, 1999
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476 /   HD   FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS

67  DF  FRICTION TRANSMISSION OR ELEMENT {4}
72  DF  .~ Particular friction surface {1}
73.~.~ Metallic


DEFINITION

Classification: 476/73

Metallic:

(under subclass 72) Subject matter wherein said portion is, at least in part, formed from a metal. [figure] [caption] As an article of manufacture, a driving member for friction gearing the face of which has a cast-iron annulus and an aluminum alloy center.

CROSS-REFERENCE ART COLLECTIONS