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2. 发明申请

WO2002085687A2 RACK AND PINION STEERING GEAR WITH LOW FRICTION ROLLER YOKE DESIGN 审中-公开
标题翻译：具有低摩擦滚轮设计的齿条和齿轮转向齿轮
公开(公告)号：WO2002085687A2
公开(公告)日：2002-10-31
申请号：PCT/US2002/006898
申请日：2002-03-07
申请人： TRW INC.
发明人： ADAMS, Bobby, Joe , LITTLE, Scott, C.
IPC分类号： B62D
CPC分类号： B62D3/123 , F16H55/283 , F16H55/285 , Y10T74/19623 , Y10T74/1967
摘要： A rack and pinion steering gear (10) comprises a housing (12) having an axially extending passage (14) and a yoke bore (18) that intersects the axially extending passage (14) within the housing (12). A pinion gear (26) is rotatably mounted in the housing (12). A rack bar (34) extends through the axially extending passage (14) and is movable relative to the pinion gear (26). The rack bar (34) has teeth in meshing engagement with teeth (32) of the pinion gear (26). A yoke assembly (54) is located in the yoke bore (18) of the housing (12) for at least partially supporting and guiding movement of the rack bar (34) relative to the pinion gear (26). The yoke assembly (54) comprises a yoke (56) having first and second roller assemblies (154 and 166) for contacting the rack bar (34) and rotating during movement of the rack bar (34). A first spindle (112) is fixed to the yoke (56) and supports the first roller assembly (154) and a second spindle (114) is fixed to the yoke (56) and supports the second roller assembly (166).
摘要翻译：齿条和小齿轮转向齿轮（10）包括具有轴向延伸通道（14）的壳体（12）和与壳体（12）内的轴向延伸通道（14）相交的轭孔（18）。小齿轮（26）可旋转地安装在壳体（12）中。齿条（34）延伸穿过轴向延伸的通道（14）并且可相对于小齿轮（26）移动。齿条（34）具有与小齿轮（26）的齿（32）啮合的齿。轭组件（54）位于壳体（12）的轭孔（18）中，用于至少部分地支撑和引导齿条（34）相对于小齿轮（26）的运动。磁轭组件（54）包括具有用于接触齿条（34）并在齿条（34）移动期间旋转的第一和第二辊组件（154和166）的磁轭（56）。第一主轴（112）固定到轭架（56）并支撑第一辊组件（154），第二主轴（114）固定到轭架（56）并支撑第二辊组件（166）。

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