US PATENT SUBCLASS 474 / 217
.~.~.~.~.~.~.~ Plural connector or bearing members with concave surface abut convex surface or surfaces on another connector or bearing member

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}
212  DF  .~.~ Link including integral surfaces forming inwardly opening groove (e.g., silent chain, etc.) {1}
213  DF  .~.~.~ Plural links having laterally aligned groove-forming surfaces {1}
214  DF  .~.~.~.~ Connector or bearing member extending through or positioned in laterally aligned openings in adjacent links is noncircular in transverse cross section {1}
215  DF  .~.~.~.~.~ Multiple connector or bearing members extend through or positioned in common opening {1}
216  DF  .~.~.~.~.~.~ Concave surface of one connector or bearing member abuts convex surface of another connector or bearing members {1}
217.~.~.~.~.~.~.~ Plural connector or bearing members with concave surface abut convex surface or surfaces on another connector or bearing member

DEFINITION

Classification: 474/217

Plural connector or bearing members with concave surface abut covex surface or surfaces on another connector or bearing member:

(under subclass 216) Subject matter wherein two of said connector or bearing members have an inwardly curving surface which abuts an outwardly curving surface or surfaces on another connector or bearing member. [figure]