Invention Grant
US3891068A Automatic slack adjuster 失效
自动松弛调节器

Automatic slack adjuster
Abstract:
In a key operated drum brake a pair of adjusting means is arranged between each side of the key and one end of a brake shoe. The adjusting means are interconnected so as to move in unison and the movement is caused by a one-way clutch having an almost stationary element and an element following the key in one direction.
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