| 摘要 |
<p>Automatic brake adjusting mechanism which includes a ratchet member having helical teeth about a cylindrical outer surface, a pawl, means biasing the pawl into engagement with the helical teeth of the ratchet member and an elongate release pin associated with the pawl whereby the release pin may be moved against the biasing means to disengage the pawl from the ratchet member thereby permitting the brake shoes to be backed away from a brake drum without disassembling component parts of the mechanism.</p> |
