474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
202 | DF | POSITIVE DRIVE BELT {3} |
206 | DF | .~ Belt formed of rigid links {9} |
232 | .~.~ Link including common member forming laterally spaced sides of opening for pulley tooth {2} | |
233 | DF | .~.~.~> With discrete member interconnecting sequential pulley-tooth-receiving links {1} |
235 | DF | .~.~.~> Common member surrounds opening for pulley tooth on all sides {1} |