Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

2007-01-24

2009-08-18

Morris, Lesley D (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S443000

Reexamination Certificate

active

07575091

ABSTRACT:
An electric power steering apparatus comprises a transmission mechanism for transmitting driving force of a steering assisting electric motor to a steering mechanism. A driven gear of the transmission mechanism is rotatably supported by first and second bearings. One of the first and second bearings includes an inner ring coupled so as to be rotatable together with an output shaft of a steering shaft, an outer ring held on a housing, and a rolling element interposed between the inner ring and the outer ring. One of the inner ring and the outer ring includes an annular elastic plate giving a preload to the rolling element.

REFERENCES:
patent: 4784234 (1988-11-01), Naito et al.
patent: 2001/0040067 (2001-11-01), Murakami et al.
patent: 2007/0102228 (2007-05-01), Shiina et al.
patent: 1 447 305 (2004-08-01), None
patent: 1 731 404 (2006-12-01), None
patent: 2 829 536 (2003-03-01), None
patent: 2005-254864 (2005-09-01), None
patent: 2005-297824 (2005-10-01), None
An English-language Abstract of the WO 03/023242 A1 (Mar. 20, 2003).

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