| 摘要 |
<p>PROBLEM TO BE SOLVED: To heighten a freedom degree of an attachment and to enable the incorporation into each kind of a bumper by providing a cord guide part for rotating a direction of a drive cord approximately through 90 degrees toward a pole accommodation part to be guided to a drive part and attaching the drive part in a rotatable and detachable manner with respect to this cord guide part. SOLUTION: Inside of a cord guide part 51, a plurality of guide rollers 53 are arranged for rotating approximately through 90 degrees in a horizontal direction a drive cord 3 within a pole accommodation cylinder 50 to be guided to the inside of the case 35. The drive part 4 and the pole accommodation part 5 are separately formed. The drive part 4 is attached on the pole accommodation part 5 in a rotatable and detachable manner. In the case where the drive part 4 is attached on the pole accommodation part 5 in an upside down state, the position of the drive part 4 can be shifted with respect to the pole accommodation part 5. As a consequence, the freedom degree of the attachment to the bumper 58 can be increased and can be attached to each kind of bumper.</p> |
