| 摘要 |
PROBLEM TO BE SOLVED: To provide simple construction for suppressing an increase in cost and in weight while preventing the torsion or entanglement of a door harness 7. SOLUTION: A harness 7 is laid inside a harness guide 9 having a number of intermediate pieces 92 connected between an end piece 91 and a base end piece 93 and having a construction permitting displacement from an extending condition in very gentle and approximate U-shape close to a linear shape into a bent condition in small arc U-shape where it can be bent in one horizontal direction and cannot be bent in the other direction. The harness guide 9 has the base end piece 93 fixed at an approximately central portion in the direction of the opening width of a door opening portion 1 and the end piece 91 turnably mounted at the end of a lower roller bracket 4 in such a manner as to be displaceable from the extending condition shown in Fig. (A), through the bent condition in the approximate U-shape shown in Fig. (B) into a final bent condition shown in Fig. (C). Furthermore, a door harness cylinder 91c for guiding the door harness 7 from the end piece 91 is provided coaxially with a vertical supporting shaft 91a as a turning center of the end piece 91.
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