Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

2007-10-23

2007-10-23

Morris, Lesley D. (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S443000, C074S464000, C074S640000

Reexamination Certificate

active

10119699

ABSTRACT:
An electric power steering apparatus comprises a rotary shaft member connected to a steering wheel, an elongate member, a rack-and-pinion mechanism, a ball screw mechanism constructed of a screw member, a nut member and a multiplicity of balls interposed between the screw member and the nut member, an electric motor unit, and a meshing type rotation decelerating mechanism including a plurality of meshing components. The meshing components include an output shaft pinion gear, a deceleration gear, and an intermediate gear, interposed between the output shaft pinion gear and the deceleration gear, having a contact portion composed of a synthetic resin.

REFERENCES:
patent: 2869383 (1959-01-01), Rapp et al.
patent: 3013440 (1961-12-01), White
patent: 3199364 (1965-08-01), Dew
patent: 3602058 (1971-08-01), Beddoe
patent: 4188821 (1980-02-01), Elias
patent: 4593780 (1986-06-01), Saito
patent: 4719813 (1988-01-01), Chalik
patent: 4724917 (1988-02-01), Naito et al.
patent: 4754829 (1988-07-01), Shimizu
patent: 4841790 (1989-06-01), Williston et al.
patent: 4987963 (1991-01-01), Oslapas et al.
patent: 5033566 (1991-07-01), Moretti et al.
patent: 5497548 (1996-03-01), Schlenger et al.
patent: 5979260 (1999-11-01), Long et al.
patent: 6109129 (2000-08-01), Genter et al.
patent: 6129171 (2000-10-01), Takaoka
patent: 6155376 (2000-12-01), Cheng
patent: 6227064 (2001-05-01), Nakamura
patent: 6390230 (2002-05-01), Shimizu et al.
patent: 6454044 (2002-09-01), Menjak et al.
patent: 6629578 (2003-10-01), Saruwatari et al.
patent: 2002/0112555 (2002-08-01), Chikaraishi et al.
patent: 37 35 517 (1988-05-01), None
patent: 1 016 581 (2000-07-01), None
patent: UM 2-116495 (1990-05-01), None
patent: UM 2-46455 (1990-12-01), None
patent: 3-15591 (1991-03-01), None
patent: UM 5-14939 (1993-04-01), None
patent: 6-504 (1994-01-01), None
patent: 6-49489 (1994-12-01), None
patent: 10-16799 (1998-01-01), None
patent: 3062852 (2000-05-01), None
patent: 2001116052 (2001-04-01), None
patent: 2002021980 (2002-01-01), None
patent: 2003028278 (2003-01-01), None
patent: WO98/38072 (1998-09-01), None
Patent Abstract of Japan, JP 55 135265 A, Oct. 21, 1980 (Abstract).
SKF: “Walzlager”, SKF GMBH, Germany, XP002293607, 1989 pp. 24-25.
Patent Abstracts of Japan, JP 61 191468, Aug. 26, 1986 (Abstract).
SKF: “Walzlager”, SKF GMBH, Germany, XP002293607 1989, pp. 66-67.

Affiliated with

Also associated with

Rating

Electric power steering apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electric power steering apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric power steering apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3869286