Title:
ELECTRIC POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP2011126464
Kind Code:
A
Abstract:
To provide an electric power steering device, preventing the occurrence of abnormal noises from a ball bearing journaling a pinion shaft and securing assemblability.
Fit between an inner race 38b of a center bearing 38 and the pinion shaft 4 is set as so-called clearance fit to secure assemblability, while an energizing member 43 energizing the inner race 38b of the center bearing 38 downward is provided on the pinion shaft 4 for preventing the occurrence of stick slip between the pinion shaft 4 and the inner race 38b of the center bearing 38 to suppress the occurrence of abnormal noises from the center bearing 38.
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Inventors:
FUKUDA YUSUKE
OKAMOTO KOICHI
OKAMOTO KOICHI
Application Number:
JP2009288615A
Publication Date:
June 30, 2011
Filing Date:
December 21, 2009
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
B62D5/04; F16C25/08; F16C35/073
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Hiromichi Kobayashi
Tomioka Kiyoshi
Hiromichi Kobayashi
Tomioka Kiyoshi