The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2007
Filed:
Jun. 02, 2003
Kazuo Chikaraishi, Gunma-ken, JP;
Kazuo Chikaraishi, Gunma-ken, JP;
NSK, Ltd., Tokyo, JP;
Abstract
An electric power steering apparatus comprises a steering shaft including an input shaft connected to a steering wheel, an output shaft connected to a steering gear device, a torsion bar for transferring torque to the output shaft from the input shaft, the steering shaft being rotatably supported in a steering column, torque detection coils disposed outwards along an outer periphery of the steering shaft, and a worm wheel meshing with a worm rotationally driven by a motor driven corresponding to detected torque and fixed to the output shaft in terms of its rotation, wherein the steering shaft is rotatably supported via a bearing provided between the worm wheel and a column-sided member on the front side of the vehicle.