Patent · US Expired

Windshield wiper apparatus having a retraction facility

US5209140A · kind A · utility

2Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1990
Grant dateMay 11, 1993
Priority date
Expiry dateJun 13, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/218
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A windshield wiper apparatus having a facility for retraction of the wiper blade, including a cranked driving arm which carries a pivot pin on which an eccentric knuckle piece is rotatably mounted. A driven crank is articulated on the knuckle piece and the latter is provided with a ratchet which includes a finger and radial arm. The knuckle piece is in two parts, comprising a member which carries the ratchet and a second member which is formed with a recess for receiving the radial arm of the ratchet. The invention is especially applicable to automotive vehicles.

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