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    • 9. 发明授权
    • Parking brake releasing system with cable attaching bush
    • 具有电缆连接衬套的驻车制动释放系统
    • US4364284A
    • 1982-12-21
    • US166905
    • 1980-07-08
    • Akira TaniTakeo Yamazaki
    • Akira TaniTakeo Yamazaki
    • B60T7/06B60T7/04F16C1/12F16C1/26G05G5/24G05G5/06F16C1/10
    • F16C1/12B60T7/047F16C1/262G05G5/24Y10T403/32155Y10T403/32196Y10T74/20462Y10T74/20528Y10T74/20714
    • A parking brake foot pedal is pivoted to a bracket, and is formed with a ratchet plate portion. A pawl is engaged with the ratchet so as to hold the parking brake in the applied condition. A release lever is pivoted to the bracket so that it displaces the pawl away from the ratchet when it is pulled by a release structure. A resin bush is attached to the release lever at a position remote from its pivoting point. The bush has a hole through it which is narrowest at its middle portion and opens out towards its ends. A release cable passes through this hole in the bush, and on its end there is fixed a stop member larger than the internal diameter of the hole in the bush. Thereby, the end of the release cable is flexibly coupled to the release lever, so as not to be subject to severe bending stress when the release cable is pulled and rotates the release lever so as to displace the pawl away from the ratchet and release the application of the parking brake.
    • 驻车制动脚踏板枢转到支架,并且形成有棘轮板部分。 棘爪与棘轮接合,以将驻车制动器保持在施加状态。 释放杆枢转到支架,使得当棘爪被释放结构拉动时,棘爪将其移动离开棘轮。 树脂衬套在远离其枢转点的位置处附接到释放杆。 衬套有一个穿过它的孔,在其中间部分最窄,并朝向其端部开口。 释放电缆通过衬套中的该孔,并且其端部固定有大于衬套中的孔的内径的止动构件。 因此,释放缆线的端部可灵活地联接到释放杆上,以便在释放释放缆线被拉动并旋转释放杆时不会受到严重的弯曲应力,从而使棘爪远离棘轮并将其释放 应用驻车制动器。