| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a joint structure capable of reducing the number of part items, by separably connecting mutual diametrically different rotary shafts in a simple constitution. Ž<P>SOLUTION: The joint structure for connecting the mutual rotary shafts 1 and 3 different in diameter, includes a plurality of small diameter side teeth 2 provided in the circumferential direction at the end 1a of the small diameter rotary shaft 1, a plurality of large diameter side teeth 4 provided in the circumferential direction at the end 3a of the large diameter rotary shaft 3, arranged on the outer peripheral side further than the small diameter side teeth 2 and opposed between the small diameter side teeth 2 and 2, and an interposing member 5 interposed between the small diameter side teeth 2 and the large diameter side teeth 4. The interposing member 5 includes a plurality of radial parts 6 made of resin and radially inserted between the small diameter side teeth 2 and the large diameter side teeth 4, and a connecting part 7 similarly made of resin and connecting the mutual adjacent radial parts 6 and 6. A core material 8 is arranged in the radial parts 6 for receiving a shearing force acting from the small diameter side teeth 2 and the large diameter side teeth 4. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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