| 摘要 |
<p>LOOKING DEVICES A locking device, for a member (for example a roller of a belt conveyor) mounted by way of a bearing on a shaft which member and shaft are relatively-rotatable. includes a heat sensitive member. The heat sensitive member normally holds the locking device out of its operative engagement and is disposed close to the bearing with part at least outside the shaft. The heat-sensitive member is made from a fusible material, or alternatively may comprise a bi-metallic element.</p> |
