| 摘要 |
<p>To move a carriage which travels along a rail having a linear section and a curved section without malfunctioning and yet meeting the requirements of security, space-saving, high precision, simple structure and low cost, a part of wires (51, 52) disengages guide pulleys (63a-63c) disposed at the curved section (17) and dislocates toward the outside of the curve when the carriage (41) is at the curved section, whereby the wires (51,52) are extended by the amount that compensates the dislocation of the wires by means of a wire adjustment means (31).</p> |
