| 摘要 |
PCT No. PCT/US80/00269 Sec. 371 Date Mar. 13, 1980 Sec. 102(e) Date Mar. 13, 1980 PCT Filed Mar. 13, 1980 PCT Pub. No. WO81/02550 PCT Pub. Date Sep. 17, 1981.Backing plates are normally bolted to wheel gear housings and brake shoes are normally biased against such backing plates. Hydraulic or pneumatic lines normally proceed externally of the housing and over the backing plate to connect with a wheel cylinder which motivates the brake shoes. Such hydraulic lines can be easily damaged. A wheel brake arrangement (10) is disclosed which eliminates external hydraulic or pneumatic lines and eliminates such a backing plate. At least one conduit (33) is formed within a housing (12). The conduit (33) is connected directly to a wheel cylinder (28). The wheel cylinder (28) is mounted to one end (24) of the housing (12). A biasing structure (50) can serve for biasing a brake shoe (26) into contacting relation with one end (24) of the housing (12). A piloting arrangement (49) can serve for properly aligning the wheel cylinder (28) to motivate the brake shoe (26) and to receive pressurized fluid from the conduit (33).
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