| 摘要 |
PURPOSE:To extend the life of a wire cable, by making a carrier driving wire cable endless and providing not only the fixing part of the wire cable and a motor pulley but also the fixing part of the wire cable and a carrier. CONSTITUTION:An endless wire cable 3 is wound around a motor pulley 2 once or several times to be fixed by a fixing part 1. Further, said cable 3 is fixed to a carrier 5 by a fixing part 6. These fixing parts 1, 6 can release the fixing of the cable 3 to the motor pulley 2 and the carrier 5 by firmware control or external operation and can again fix the cable 3 after the positional relation of the cable 3 and the motor pulley 2 or the positional relation of the cable 3 and the carrier 5 is shifted. By changing fixing positions, the cable 3 can be uniformly used and the life of the cable 3 can be extended.
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