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:
Jan. 15, 1980
Filed:
Jul. 19, 1976
Applicant:
Inventor:
Takashi Segawa, Sakai, JP;
Assignee:
Shimano Industrial Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62M / ; F16D / ;
U.S. Cl.
CPC ...
745942 ; 192 64 ; 280261 ;
Abstract
A gear crank for a bicycle unidirectionally freely rotatably supporting at least one sprocket wheel with a crank body integrated with a crank shaft and a pair of crank arms at both ends of the shaft and having an inner ring which is passed over one of the arms to be mounted to one end of the shaft, is fixed with a cone, and supports, through a unidirectional rotational transmission, a driven member with the sprocket wheel in a unidirectionally freely rotating relation therewith.
Segawa, Takashi. (1980). Gear crank for a bicycle (U.S. Patent No. 4183262). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4183262
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile