US PATENT SUBCLASS 474 / 209
.~.~ Including ball or roller bearing circumferentially spaced about pivotal axis between links

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

202  DF  POSITIVE DRIVE BELT {3}
206  DF  .~ Belt formed of rigid links {9}
209.~.~ Including ball or roller bearing circumferentially spaced about pivotal axis between links

DEFINITION

Classification: 474/209

Including ball or roller bearing circumferentially spaced about pivotal axis between links:

(under subclass 206) Subject matter wherein a plurality of friction-reducing members in the form of balls or rollers are

space circumferentially about the axis where longitudinally connected components are pivotally attached to each other. [figure] [caption]roller bearing