摘要 |
In a wiper arm, a head cover detachably attached to an arm head has a stopper wall that protrudes inward from an end thereof and is inserted into a gap between the arm head and an arm member. When the arm member is rotated by a certain angle to the arm head in the direction away from the windshield glass, the stopper wall comes in contact with the arm member so that further rotation of the arm member is suppressed. Accordingly, a possible damage of the wiper arm due to a car washer, which accidentally turns the arm member to the lock back state, is avoided. On the other hand, if a user detaches the head cover from the arm head, the arm member can be manually rotated to the lock back state so that a blade rubber replacement operation for a maintenance purpose is easy.
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