474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
95 | DF | HUB FORMED IN SECTIONS AND SEPARABLE BY MOVING SECTIONS RADIALLY APART (E.G., SPLIT PULLEY TO FACILITATE INSTALLATION, ETC.) {1} |
96 | .~ And severance lines for separable rim sections diametrically opposite each other {1} | |
97 | DF | .~.~> With spokes connecting hub section and rim section {1} |