- 专利标题： Rack and pinion assembly
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申请号： US3623379D申请日： 1969-08-26
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公开(公告)号： US3623379A公开(公告)日： 1971-11-30
- 发明人: BRADSHAW KENNETH , BUCKINGHAM JAMES ERNEST
- 申请人： CAM GEARS LTD
- 专利权人： Cam Gears Ltd
- 当前专利权人： Cam Gears Ltd
- 优先权： GB4473568 1968-09-20
- 主分类号： B62D3/12
- IPC分类号： B62D3/12 ; F16H55/28 ; F16H57/12 ; B62D1/20
摘要：
A RACK AND PINION ASSEMBLY FOR AUTOMOTIVE STEERING GEAR HAVING A CYLINDRICAL RACK BAR SUPPORTED LATERALLY AND OPPOSITE THE PINION BY A SPRING URGED YOKE FORMED OF LOW FRICTION, SEMI-RIGID PLASTICS MATERIAL. THE YOKE HAS TWO CONCAVE RACK BAR SEATS OR BEARING SURFACES. EACH SEAT IS FRAGMENTAL-CYLINDRICAL IN SHAPE, HAS A LARGER RADIUS THAN THE RADIUS OF THE CYLINDRICAL RACK BAR AND A SEPARATE AXIS
DISPOSED LATERALLY FROM THE RACK BAR AXIS. THE SEATS ARE SEPARATED BY A GREASE OR OIL PASSAGE IN CONCAVE BOTTOM OF THE YOKE THE GREATER RADII AND SEPARATE AXES FOR THE SEATS ACCOMMODATE WIDE TOLERANCE VARIATIONS, WEAR, AND INSURE ADEQUATE LUBRICATION OF THE SUPPORTING SEAT AREAS.
DISPOSED LATERALLY FROM THE RACK BAR AXIS. THE SEATS ARE SEPARATED BY A GREASE OR OIL PASSAGE IN CONCAVE BOTTOM OF THE YOKE THE GREATER RADII AND SEPARATE AXES FOR THE SEATS ACCOMMODATE WIDE TOLERANCE VARIATIONS, WEAR, AND INSURE ADEQUATE LUBRICATION OF THE SUPPORTING SEAT AREAS.
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