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. 26, 1987
Filed:
Jul. 25, 1985
Akio Hashimoto, Toyota, JP;
Tomio Yasuda, Kasukabe, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A power transmission device of a motor-driven power steering system is provided which comprises a driving gear mounted on the outside of a shaft transmitting a force given from a steering wheel to a steering mechanism and rotatable about the shaft, a first connecting member including at least one gear for coupling the driving gear and a driving shaft of an electric motor, a second connecting member coupled to one out of the shaft and the driving gear, and a buffering member having elasticity coupled to the other out of the shaft and the driving gear and to the second connecting member. Preferably, the second connecting member has a cylindrical portion secured on the outside of the shaft and projections, and the driving gear has holes for receiving the buffering member and the projections.