| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive and simple structure of a coming-off prevention part to prevent a cushion ring, which is mounted on a position contacting with a regulation member, from coming off from a roller shaft during assembling of the cushion ring etc. since the belt approach regulation member attached on the inner peripheral face or outer peripheral face of a belt end part to regulate approach to the width direction of a belt during traveling may run on rollers when the endless belt wound around the plurality of rollers is used. <P>SOLUTION: Small diameter parts are formed in the vicinity of both ends of the shaft 2b of the opposing roller 2. Since a claw member 5b serving as the coming-off prevention part formed at a tip of a bar-shaped part 5a provided on the cushion ring 5 comprising an elastic material enters into the small diameter part of the shaft 2b, movement of the cushion ring 5 to the roller shaft direction is regulated. <P>COPYRIGHT: (C)2008,JPO&INPIT |
