Patent · US Expired

Electric power steering apparatus

US8336412B1 · kind B1 · utility

6Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2000
Grant dateDec 25, 2012
Priority date
Expiry dateApr 2, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19828
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An electric power steering apparatus in which steering assistance is achieved by transmitting a rotary motion of an electric motor for steering assistance to a steering shaft on which a worm wheel is mounted through a worm shaft on which a worm is mounted, wherein the worm shaft is deflectable toward the worm wheel and equipped with a biasing member biasing the worm shaft in the deflective direction thereof, or alternatively, the worm wheel is deflectable toward the worm shaft and equipped with a biasing member biasing the worm wheel in the deflective direction thereof.

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