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公开(公告)号:US3623379A
公开(公告)日:1971-11-30
申请号:US3623379D
申请日:1969-08-26
申请人: CAM GEARS LTD
CPC分类号: B62D3/123 , F16H55/283 , Y10T74/1967
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.