| 摘要 |
PROBLEM TO BE SOLVED: To provide a double Cardan joint allowing easy mounting of a boot for sealing a spherical bearing. SOLUTION: In the Cardan joint, the boot 12 covering the spherical bearing 5, have a small-diameter end 12A fixed to a holder 10 and a large-diameter end 12B fixed to a centering socket 4A. Therefore, by inserting the holder 10 into an inner periphery face 6 of a spherical body 2, the boot covering the spherical bearing 5 can be mounted on a socket yoke 4 together with the spherical bearing 5, independently of a pin yoke 1.
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