Patent · US Expired

Wiper arm for windshield-washing systems on motor vehicles

US5890257A · kind A · utility

1Cited by
0References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1997
Grant dateApr 6, 1999
Priority date
Expiry dateMar 11, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/60
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A windshield-washing system with a wiper rod manufactured from flat strip steel of defined width and thickness that supports, at its free end, a bearing device with a bearing bushing for an articulation pin and oriented perpendicular to the width. For an economical production of such wiper arms with flawless functionality, the bearing device, consisting of a bearing bushing with laterally projecting fastening sleeve, is produced as a plastic part, pushed onto the free end of the wiper rod and locked in place thereon.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.