Patent · US Active

Motor driven power steering apparatus

US8936132B2 · kind B2 · utility

1Cited by

2References

20Claims

0Family size

Assignee

SHOWA CORPORATION · JP

Inventors

Isamu Arai · Fussa, JP
Yosuke Hamaguchi · Tochigi, JP
Satoshi Aiko · Tochigi, JP
Kenta Sugimoto · Hitachinaka, JP

Key dates

Filing date	Jun 20, 2012
Grant date	Jan 20, 2015
Priority date	—
Expiry date	Jun 20, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/18832
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

In a motor-driven power steering apparatus, in an intermediate assembled state in which an input shaft, an output shaft, a torsion bar, a worm gear, a worm wheel, a torque detecting apparatus and a spiral cable are assembled in a gear housing, and an electric motor is not assembled yet, a rotation preventing arm which prevents the worm gear from rotating is loaded with respect to the gear housing.

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