Electrically-operated power steering apparatus

Details Electrically-operated power steering apparatus Electrically-operated power steering apparatus

1995-03-10

1997-11-11

Boehler, Anne Marie

Motor vehicles

Steering gear

With electric power assist

74 8915, 384491, 384521, 384604, B62D 504

Patent

active

056853904

ABSTRACT:
An electrically-operated power steering apparatus comprises a steering shaft, a rack shaft capable of linear movement for turning a steering running wheel a, rack-pinion gear for coupling the steering shaft with the rack shaft, and a ball screw mechanism including a screw groove formed on the rack shaft, a rotary ball screw nut fitted on the rack shaft, and plural balls positioned in a rolling path. The plural balls are comprised of bulbs of a larger diameter and balls of a smaller diameter, which are alternately arranged, and the smaller diameter is within a defined range.

REFERENCES:
patent: 3880481 (1975-04-01), George
patent: 4221137 (1980-09-01), Futaba
patent: 4577715 (1986-03-01), Saito
patent: 5437349 (1995-08-01), Kurahashi et al.
Patent Abstracts of Japan, vol. 10, No. 357 (M-540), Dec. 2, 1986 (JP-A-61 153 051).
Patent Abstracts of Japan, vol. 6, No. 260 (M-180), Dec. 18, 1982 (JP-A-57 154 552).

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1222202