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发明公开
CN101418857A 机动车变速箱 失效 - 权利终止

机动车变速箱
摘要：
本发明涉及一种机动车变速箱，该变速箱包括壳体(10)、由所述壳体(10)所支撑的固定杆(24)、可滑动地安装在所述固定杆(24)上的齿轮换挡拨叉(26，28)、以及安装在所述固定杆(24)上用于为所述齿轮换挡拨叉(26，28)提供轴向接合面(54，62)的行程终端衬套(46，48)。所述齿轮换挡拨叉(26，28)包括金属板主体(30)，该金属板主体(30)整体地形成一对支撑板(38)，支撑板(38)各具有各自的引导通孔(40)。该引导通孔(40)中的一个配备有借助于低摩擦塑料包胶注塑而成型的引导衬套(66)且沿着固定杆(24)而被引导。另一个引导通孔(40)则不具有引导衬套且沿着行程终端衬套(46，48)的小直径部分(52，60)而被引导。
摘要（英）：

The gearbox comprises a case (10), a stationary rod (24) supported by the case (10), a gear selector fork (26, 28) mounted slidably on the stationary rod (24) and an end-of-travel bush (46, 48) mounted on the stationary rod (24) so as to provide an axial abutment surface (54, 62) for the gear selector fork (26, 28). The gear selector fork (26, 28) includes a sheet-metal body (30) forming integrally a pair of support plates (38) each having a respective guide through-hole (40). One of the guide through-holes (40) is provided with a guide bush (66) formed by means of overmoulding of low-friction plastic and is guided along the stationary rod (24). The other guide through-hole (40) has no guide bush and is guided along a smaller-diameter portion (52, 60) of the end-of-travel bush (46, 48).

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