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    • 19. 发明申请
    • RACK AND PINION STEERING GEAR WITH LOW FRICTION YOKE ASSEMBLY
    • 具有低摩擦组件的齿条和齿轮转向齿轮
    • WO02071895A3
    • 2003-12-11
    • PCT/US0205027
    • 2002-02-11
    • TRW INC
    • BUGOSH MARK J
    • B62D3/12F16H55/28F16H57/12F16H1/04B62D1/20
    • B62D3/123F16H55/283F16H55/285Y10T74/1967
    • A rack and pinion steerig gear (10) comprises a housing (12). A yoke assembly (40) is inthe housing (12) for at least partially supporing and guding movement of a rack bar (34) relative to a pinion gear (26). The yoke assembly (40) comprises a yoke (42) and a plurality of rotatable members. The yoke (42) has a first end surface (48) and an axis (A) that extends transverse to teh direction of movement of the rack bar (34). Each of the plurality of amembers is supported by the yoke (42). A portion of each rotatable member projects outwardof the first end surface (48) of the yoke (42) for contacting the rack bar (34). Each rotatable member is rotatable aout its axis and is fixed against movement along the yoke axis (A) relative to the yoke (42).
    • 齿条和小齿轮转向齿轮(10)包括壳体(12)。 轭架组件(40)在壳体(12)中,用于至少部分支撑齿条(34)相对于小齿轮(26)的运动。 轭组件(40)包括轭(42)和多个可旋转构件。 轭(42)具有第一端面(48)和横向于齿条(34)的运动方向横向延伸的轴线(A)。 多个组件中的每一个由轭架(42)支撑。 每个可旋转构件的一部分突出于轭架(42)的第一端面(48)的外侧,用于接触齿条(34)。 每个可旋转构件可绕其轴线旋转并且被固定成抵抗相对于轭架(42)的轭轴线(A)的移动。