Title:
MOTOR-DRIVEN POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP3646205
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To favorably mesh a worm and a worm wheel, to eliminate torque irregularity, and to allow smooth performance of radial movement of the worm caused by fluctuations of meshing reaction force.
SOLUTION: A rolling bearing 9 supporting the worm rotated by a motor for steering assistance is radially energized so as to apply preload to a meshing part of the worm with the worm wheel and a guide member 30 having guide parts 31 and 31 contacting a circumferential face of the rolling bearing 9 to guide movement of the rolling bearing 9 is provided around the rolling bearing 9 to regulate a moving direction of the rolling bearing 9.
Inventors:
Hiroto Sasaki
Takeo Iino
Takeo Iino
Application Number:
JP2000267705A
Publication Date:
May 11, 2005
Filing Date:
September 04, 2000
Export Citation:
Assignee:
Koyo Seiko Co., Ltd.
International Classes:
B62D5/04; F16C25/08; F16C35/077; F16H1/16; (IPC1-7): B62D5/04; F16C25/08; F16C35/077; F16H1/16
Domestic Patent References:
| JP200043739A | ||||
| JP2002518242A | ||||
| JP6322460U |
Attorney, Agent or Firm:
Nobuo Kono