US PATENT SUBCLASS 474 / 164
.~ Having axially spaced sets of belt-engaging surfaces

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

152  DF  POSITIVE DRIVE PULLEY OR GUIDE ROLL {6}
164.~ Having axially spaced sets of belt-engaging surfaces

DEFINITION

Classification: 474/164

Having axially spaced sets of belt-engaging surfaces:

(under subclass 152) Subject matter wherein the drive face of the pulley* or guide roll* includes plural sets of circumferentially spaced, radially extending teeth or ridges intended for concurrent engagement with a common belt*, one of said sets being spaced from the other in a direction parallel to the longitudinal extent of the axis of rotation or the pulley or guide roll. [figure]