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US 11,078,972 B2Granted
Heavy vehicle drum brake improvements
OwnerKen Pittinventor
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to vehicle drum brakes. In one aspect, there is provided a brake shoe comprising a guide at or near its free end, which prevents brake shoe misalignment. According to a further aspect, there is provided a guide for attachment to a brake shoe at or near its free end, which prevents brake shoe misalignment. According to a further aspect, there is provided a drum brake assembly comprising a brake shoe comprising the guide.
Claims7
A drum brake assembly, comprising:
- a stationary carrier;
- a brake shoe pivotally mounted to the stationary carrier and having a pair of spaced webs;
- an actuating cam associated with the brake shoe;
- a cam follower interposed between the webs and the actuating cam;
- a rotatably mounted drum brake against which the brake shoe acts;
- and
- the brake shoe further comprising a brake shoe guide extending lengthwise from an outboard web so as to make said outboard web longer than the other web, so that said outboard web extends in front of, and in sliding contact with, an outboard face of the actuating cam.
4 more elements
Dependencies are inferred from the claim text.