US PATENT SUBCLASS 474 / 170
.~.~ Plural grooves formed in unitary member

Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

166  DF  FRICTION DRIVE PULLEY OR GUIDE ROLL {11}
168  DF  .~ Including plural, coaxial, circumferential belt-receiving grooves {2}
170.~.~ Plural grooves formed in unitary member

DEFINITION

Classification: 474/170

Plural grooves formed in unitary member:

(under subclass 168) Subject matter wherein at least four of the surfaces forming two pairs of belt*-engaging surfaces are all integral parts of a common member. [figure]