| 摘要 |
A vehicle wheel internal shoe drum brake has a pair of opposed brake shoes, an actuator acting between one pair of adjacent ends of the shoes and a two-part adjustable strut for adjusting the positions of the shoes relative to each other to compensate for wear. The strut has an elongate non-rotatable part coupled to one of the brake shoes and a rotatable part, preferably a nut member, in screw-threaded engagement with the non-rotatable part and directly engaging the other brake shoe.
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