Cross joint
AssigneeNsk Ltd.
InventorHiroshi Sekine
Life of this patent
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Abstract
A cross joint comprises yokes each formed with a bearing hole and a spider shaft rotatably fitted into the bearing hole through a rolling bearing. The spider shaft is formed with a contact portion with the rolling bearing, the contact portion having its outside diameter larger than an outside diameter of the spider shaft.
Claims10
A cross joint adapted to be used in a steering apparatus which includes an upper shaft and a lower shaft, the cross joint serving to transmit a torque in a way that rotates through a predetermined bending angle and comprising:
- a pair of yokes and a cross-shaped spider shaft, each yoke being formed with a bearing hole, with a needle bearing being positioned in said bearing hole, said needle bearing including a bearing cup and rollers provided therein, and an end portion of said spider shaft being fitted in the bearing hole through said needle bearing;
- wherein said rollers provided in said needle bearing are interference-fitted on an end periphery of said end portion of said spider shaft extending through said rollers;
- and
- wherein said rollers are so constructed and arranged so as to be movable by 0.6 mm or greater in an axial direction.
A cross joint adapted to be used in a steering apparatus which includes an upper shaft and a lower shaft, the cross joint serving to transmit a torque in a way that rotates through a predetermined bending angle and comprising:
- a pair of yokes and a cross-shaped spider shaft, each yoke being formed with a bearing hole, with a bearing being positioned in said bearing hole, said bearing including a bearing cup and rollers provided therein, and an end portion of said spider shaft being fitted in the bearing hole through said bearing;
- wherein said rollers provided in said bearing are interference-fitted on an end periphery of said end portion of said spider shaft extending through said rollers;
- and
- wherein said rollers are so constructed and arranged so as to be movable by 0.6 mm or greater in an axial direction.
Dependencies are inferred from the claim text.