| 摘要 |
PROBLEM TO BE SOLVED: To reduce a movable range of a sub arm to reduce arm rattling and overrun.SOLUTION: A wiper device 1 has a pantograph type structure including a main arm 2 and a sub arm 3. The main arm 2 is fixed to a main shaft 16 and the sub arm 3 is fixed to a sub shaft 31 disposed near the main shaft 16. The sub arm 3 has a sub support 38 which is fixedly fitted in the sub shaft 31. The sub shaft 31 has a joint ball part 35 and a flange part 37. The joint ball part 35 is fixedly fitted in a fitting part 43 formed in the sub support 38. The flange part 37 is inserted into the sub support 38 and comes in contact with an inner wall 45 of the sub support 38 when the sub arm 3 rotates relative to the sub shaft 31. The flange part 37 and the sub support inner wall 45 form a rotation restriction part 46 which restricts rotation of the sub arm 3.SELECTED DRAWING: Figure 3 |
