| 摘要 |
<p>The coupling comprises a hub and a housing, both with toothed rings in which rollers fit, guides being provided to prevent the rollers from sliding axially. Axial movement of the barrel-shaped rollers (8) is restricted by correspondingly-shaped bearing surfaces (13) in the external teeth (10) on the hub (2). The radius of the roller surface can be less than that of the bearing surface. The coupling is partic. for driving crane hoist winch and conveyor drums, the design forming a simple means of preventing the load falling due to the rollers working free.</p> |
