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. 07, 1980
Filed:
Oct. 16, 1978
Kazuto Yamasaki, Osaka, JP;
Maeda Industries, Ltd., Osada, JP;
Abstract
A bicycle rear derailleur which comprises a first shaft on which a guide pulley guard is pivotally mounted and resiliently urged in one direction, a second shaft supported by the guide pulley guard, an inner pulley rotatably mounted on the second shaft, a guide pulley rotatably mounted on the inner pulley, a tension link mounted at its upper end to the second shaft so as to be coaxially movable with the inner pulley and resiliently urged so as to be swingable in one direction, a tension pulley rotatably mounted on a third shaft which is supported by the tension link and a tension pulley guard.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile