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:
Sep. 10, 2019
Filed:
Dec. 17, 2014
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute-shi, Aichi-ken, JP;
Eiji Tsuchiya, Nagakute, JP;
Tomohiro Miyabe, Nagakute, JP;
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute, JP;
Abstract
A drive power transmission device capable of transmitting drive power asynchronously with rotation of an input shaft. The drive power transmission device includes a first rotation shaft, a second rotation shaft, an elastic member, and a vibration element. One end of the elastic member is fixed to the second rotation shaft at a position spaced from its central axis, while the other end of the elastic member is fixed to the vibration element. The vibration element is capable of being placed in either one of a first state of being connected to the first rotation shaft and a second state of being disconnected from the first rotation shaft.