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.

Date of Patent:
Apr. 03, 1979

Filed:

Nov. 17, 1977
Applicant:
Inventors:

Takashi Segawa, Sakai, JP;

Seiji Fukui, Sakai, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16D / ;
U.S. Cl.
CPC ...
192 / ; 7475 / ;
Abstract

A multi-speed transmission hub for a bicycle having a multiple speed-change mechanism and a braking mechanism which acts by back-pedalling, a ring gear for the speed-change mechanism which is provided with first transmitting pawls in mesh with first inner teeth formed at the inner surface of a hub shell and a clutch cone for the speed-change mechanism which is provided with second transmitting pawls in mesh with second inner teeth at the hub shell, and a rotor in mesh with the second inner teeth between the clutch cone and a gear frame of the speed-change mechanism.


Find Patent Forward Citations

Segawa, Takashi. (1979). Multi-speed transmission hub for a bicycle (U.S. Patent No. 4147243). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4147243

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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