US PATENT SUBCLASS 474 / 243
.~.~.~ Surfaces on ball or roller elements

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

237  DF  FRICTION DRIVE BELT {14}
240  DF  .~ Including plural interconnected members each having a drive surface facing in a common direction {3}
242  DF  .~.~ Belt has oppositely facing side drive surfaces (e.g., "V-belt", etc.) {2}
243.~.~.~ Surfaces on ball or roller elements

DEFINITION

Classification: 474/243

Surfaces on ball or roller elements:

(under subclass 242) Subject matter wherein said drive surfaces are on components in the form of balls or rollers rotatable about their own axis. [figure]