| 摘要 |
PROBLEM TO BE SOLVED: To provide constant velocity joint for transmitting the rotation of a driving shaft to a driven shaft at a constant velocity even when there is a mutual axial misalignment between the driving shaft and the driven shaft arranged in parallel, while requiring no grease lubrication and undergoing less restrictions when used. SOLUTION: Two outer rings OR<SB>1</SB>, OR<SB>2</SB>each having an annular space 4 are opposed to each other with their opening ends facing each other. The outer wall face and the inner wall face of the annular space of each of the outer rings OR<SB>1</SB>, OR<SB>2</SB>, three track grooves 5, 6 are provided at a space of 120°extending to the radial direction. At both ends of a joint member J arranged between the opposed portions of the two outer rings OR<SB>1</SB>, OR<SB>2</SB>, cage portions 11 are provided to be inserted to the annular spaces 4. A pocket 12 is formed in each of the cage portions 11, and balls B capable of rolling along the track grooves 5, 6 are incorporated in the pockets 12. The outer rings OR<SB>1</SB>, OR<SB>2</SB>and the joint member J are formed of synthetic resin moldings to require no grease lubrication and reduce the weight of the constant velocity joint. COPYRIGHT: (C)2006,JPO&NCIPI
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