474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
202 | DF | POSITIVE DRIVE BELT {3} |
206 | DF | .~ Belt formed of rigid links {9} |
219 | DF | .~.~ Including separate locking member for retaining link-connector in laterally aligned openings through adjacent links {4} |
223 | .~.~.~ Locking member received in annular groove extending entirely around circumference of connector |