| 摘要 |
PROBLEM TO BE SOLVED: To enhance the positional accuracy of a sub arm axis with respect to a main arm axis in a pantograph type wiper. SOLUTION: In this wiper, a pivot holder 5 acting as an arm rotation support member is formed out of two members composed of a main pivot holder 6 for a main arm 1, and of a sub pivot holder 7 for a sub arm 3. In this case, a cylindrical part 7a provided for a sub pivot holder 7 for rotatably holding the sub arm axis 4 of the sub arm 3, is engaged with a guide hole 6b provided for the main beam holder 6 rotatably holding the main arm axis 2 of the main arm 1 so as to be positioned.
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