| 摘要 |
PROBLEM TO BE SOLVED: To prevent inclination of an inner link to be coupled while assuring workability of a coupling operation.SOLUTION: A thickness adjustment component 12 is fastened by a screw 13 to a holding part 8 at a tip of an arm 2 which holds a roller R1, and a thickness of the holding part 8 is so made as to be larger than a thickness of parts of the arm 2 other than the holding part 8. By increasing the thickness of the holding part 8, the holding part 8 can stably hold the roller R1, and inclination of an inner link L1 can be prevented during such holding. Further, by increasing only the thickness of the holding part 8, increase of a weight of this jig itself can be prevented as much as possible. Consequently, workability of a coupling operation can be assured.SELECTED DRAWING: Figure 3 |
