JPS6287961U - - Google Patents

Description

[Brief explanation of the drawing]

1 is a vertical sectional view showing the wiper arm device according to the present invention in normal operation, FIG. 2 is a view showing an intermediate state in which the retainer is lifted from the position shown in FIG. 1, FIG. 3 is a view showing the locking back state, and FIG. FIG. 4 is a diagram showing an intermediate state in which the retainer is pressed down from FIG. 3, FIG. 5 is a diagram similar to FIG. 1, and FIGS. 6 and 7 are diagrams showing a conventional technique. 1: Arm head, 4: Hinge pin, 6: Retainer, 7: Spring, 8: Hook, 9: Roller pin, 10: Link, 5: Pivot shaft, 11: Stopper.

Claims (1)

[Claims for Utility Model Registration] 1. An arm head that is connected to a wiper motor and rotates, a retainer that is swingably connected to the arm head via a hinge pin, and one end that is connected to the retainer and the other end that is one end of a hook or a roller pin. In a wiper arm device of the type including a spring connected to the wiper arm and a roller pin provided on the arm head and connected to the other end of the hook or the other end of the spring, the roller pin swings around a pivot shaft fixed to the arm head. A wiper arm device characterized in that it is attached to a link in the wiper arm. 2. Utility model registration claim 1, wherein the swinging movement of the link in one direction around the pivot axis is limited by a hinge pin, and the swinging movement in the other direction is limited by a stopper provided on the arm head. The wiper arm device described in section.