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:
May. 29, 2001
Filed:
Sep. 08, 1997
Mitsuba Corporation, Gunma, JP;
Abstract
A power steering unit according to the invention scarcely transmits sounds and vibrations coming from the electric motor to the steering wheel of a motor vehicle. It comprises a rack-shaft,to be coupled to the guiding wheels of a vehicle, a housing A for slidably containing the rack-shaft,and holding therein a coupling section,for causing the teeth of the rack-shaft,to engage those of a pinion arranged on the steering column,linked to the steering handle of the vehicle and an electric motor,coaxially arranged around the rack-shaft,which the rotary force is transmitted to the rack-shaft,by way of a ball screw mechanism,as the steering assisting power. It further comprises another housing B, for rotatably supporting the nut section of the ball-and-screw mechanism,the housing B being provided with a fitting section to be secured to the vehicle main body. The housing A is secured to the vehicle main body by a bracket,while the housing B is secured to the vehicle main body by a fitting section