474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
237 | DF | FRICTION DRIVE BELT {14} |
253 | DF | .~ Including particular means connecting opposite ends to form loop {2} |
255 | DF | .~.~ Including discrete connector {3} |
256 | .~.~.~ Connector comprises element inserted into longitudinal openings in belt ends |