Windscreen Wiper Arm
A windscreen wiper arm, particularly for automobiles, comprising a mounting head on a drive shaft and an arm member pivotally connected to the mounting head by means of a pivot pin, wherein the arm member has a substantially U-shaped cross-section near said pivot pin comprising two side walls, wherein a part of the mounting head extends between the side walls and beyond said pivot pin, and wherein a spring is hooked with its first end on a pin on the mounting head, with the special feature that said spring is hooked with its second end on the arm member.
1 - 7 . (canceled)
8 . A windscreen wiper arm comprising a mounting head on a drive shaft and an arm member pivotally connected to the mounting head by means of a pivot pin, wherein the arm member has a substantially U-shaped cross-section near said pivot pin comprising two side walls and a base wall that extends between the side walls and beyond said pivot pin, and wherein a spring is hooked with its first end on a pin on the mounting head and with its second end on the arm member, characterized in that said spring is hooked with its second end on a lip cut in at least one of said base or said at least one of said side walls of the U-shaped cross-section of the arm member, wherein said lip is bent inwardly away form said at least one of said or said side wall.
9 . A windscreen wiper arm according to claim 8 , wherein said spring is hooked with its second end into a hole provide din said lip.
10 . A windscreen wiper arm according to claim 8 , wherein the arm member is made of a plastic material.
11 . A windshield wiper arm according to claim 8 , including an elastic, elongated carrier element, an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes opposing longitudinal grooves on its longitudinal sides, in which grooves spaced-apart longitudinal strips of the carrier element are disposed, wherein neighboring ends of said longitudinal strips are interconnected by a respective connecting piece, and a connecting device.
12 . A method for manufacturing a windscreen wiper arm, comprising a mounting head on a drive shaft and an arm member pivotally connected to the mounting head by means of a pivot pin, wherein the arm member has a substantially U-shaped cross-section near said pivot pin comprising two side walls and a base wall that extends between the side walls and beyond said pivot pin, and wherein a spring is hooked with its first end on a pin on the mounting head, and including a lip cut in at least one of the base wall or at least one of said side walls of the U-shaped cross-section of the arm member, wherein the lip is subsequently bent inwardly and the spring is hooked with its second end into a hole provided in the lip.