Patent · US Expired

Wiper device

US4374348A · kind A · utility

5Cited by
3References
10Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 3, 1980
Grant dateFeb 15, 1983
Priority date
Expiry dateJul 3, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S318/02
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A wiper device for wiping rain on a mirror surface of a rear-view mirror provided on the exterior of an automotive vehicle, includes a driving means of the wiper blade for driving the latter in first and second directions alternatively. The driving device comprises an electric circuit which includes a switching means and a means for detecting both ends of the wiper blade motions in the first and second directions. The switching means is operative to switch direction of an electric power supply to an electric motor when the detecting means detects the end of wiper blade motion.

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