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. 15, 1978
Filed:
Dec. 16, 1976
Applicant:
Inventor:
Takashi Segawa, Sakai, JP;
Assignee:
Shimano Industrial Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; B21D / ;
U.S. Cl.
CPC ...
7424 / ; 2915 / ;
Abstract
A multistage gear crank for a bicycle, comprising at least two chain gears and a crank body, which chain gears together with a mounting plate for mounting the two gears to the crank body are formed by punching only one metallic sheet.