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:
Mar. 09, 1982
Filed:
Jun. 12, 1979
Applicant:
Inventor:
Takashi Segawa, Sakai, JP;
Assignee:
Shimano Industrial Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05G / ; F16H / ;
U.S. Cl.
CPC ...
745942 ; 291592 ; 2952 / ; 74447 ; 74449 ; 403344 ;
Abstract
A chain gear for a bicycle is formed from an approximately rectangular metallic band-shaped plate which has gear teeth formed along one edge and which is equal in length to the peripheral length of the chain gear. The band-shaped plate is wound into a ring-shape and end portions of the band-shaped plate are secured together to form the chain gear. The chain gear is secured to a chain gear adapter of a bicycle by a fixing means, the adapter rotating in accordance with a pedalling operation.