| 摘要 |
PCT No. PCT/US94/12862 Sec. 371 Date Aug. 17, 1995 Sec. 102(e) Date Aug. 17, 1995 PCT Filed Nov. 8, 1994 PCT Pub. No. WO96/14231 PCT Pub. Date May 17, 1996A bearing (104) is mounted to the caging bolt head (86) within a hollow actuator rod (60) of a spring brake actuator (14). The bearing (104) is self-lubricated to guide movement of the actuator rod during application and release of the spring brake and to minimize friction.
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