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:
Aug. 01, 2017
Filed:
Jul. 11, 2012
Masafumi Kawakami, Nara, JP;
Munehiro Date, Osaka, JP;
Masafumi Kawakami, Nara, JP;
Munehiro Date, Osaka, JP;
Abstract
An electrically assisted bicycle is provided with a so-called single-shaft motor drive unit that can satisfactorily keep torque detection capability. The outer periphery of a crankshafthas a cylindrical human-power transmission memberhaving a torque sensorfor detecting a human driving force and a combined force memberthat combines a human driving force and an auxiliary driving force from a motor. A one-way clutch is not provided on a driving force transmission path including the crankshaft, the human-power transmission member, and the combined force member. The human-power transmission memberand the combined force memberare always rotated in response to a rotation of the crankshaft
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile