Windshield wiper device for vehicle

A windshield wiper device for a vehicle, comprising at least one windshield wiping unit, said windshield wiping unit comprising:

• a pivot holder attached to a body of the vehicle and having a cylindrical bearing part;
• a pivot shaft extended through and supported for turning in the bearing part on the pivot holder;
• a wiper arm having a base end part fixed to an outer end part of the pivot shaft;
• a wiper blade assembly having a wiper blade and connected to a free end of the wiper arm;
• a retaining member interposed between the bearing part and the pivot shaft to restrain the pivot shaft from axial movement relative to the bearing part, and the retaining member deforms to permit the pivot shaft to move axially into the bearing part when an axial force exceeding a predetermined level is exerted on the pivot shaft;
• and
• a washer disposed on said pivot shaft above said bearing part, said washer having an outside diameter which is smaller than an inside diameter of said bearing part so that the washer moves axially into the bearing part when the axial force exceeding the predetermined level is exerted on the pivot shaft.

A windshield wiper device for a vehicle, comprising at least one windshield wiping unit, said windshield wiping unit comprising:

• a pivot holder attached to a body of the vehicle and having a cylindrical bearing part;
• a pivot shaft extended through and supported for turning in the bearing part on the pivot holder;
• a wiper arm having a base end part fixed to an outer end part of the pivot shaft;
• a wiper blade assembly having a wiper blade and connected to a free end of the wiper arm;
• a retaining member interposed between the bearing part and the pivot shaft to restrain the pivot shaft from axial movement relative to the bearing part, and the retaining member deforms to permit the pivot shaft to move axially into the bearing part when an axial force exceeding a predetermined level is exerted on the pivot shaft;
• and
• the wiper arm being provided with a cylindrical skirt surrounding an outer end part of the pivot shaft, said skirt being provided in its end edge with notches arranged at angular intervals.