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:
Nov. 11, 1980

Filed:

Oct. 12, 1978
Applicant:
Inventor:

Kazuto Yamasaki, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05G / ; G05G / ; G05G / ;
U.S. Cl.
CPC ...
74475 ; 74489 ; 74527 ; 74531 ; 74535 ; 188 68 ;
Abstract

A bicycle speed change lever device comprises a lever body pivotally mounted on a support shaft and having a handle portion and a base portion which is formed with internal hollow spaces, within which are disposed a step positioning mechanism including a resiliently urged engaging piece and a plurality of engaging recesses arranged so as to cooperate for retaining the lever body in a selected speed gear position, and a one-way clutch mechanism including means for permitting the lever body to pivotally move in one direction with reduced frictional resistance.


Find Patent Forward Citations

Quick Actions:

Yamasaki, Kazuto. (1980). Bicycle speed change lever device (U.S. Patent No. 4232564). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4232564

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

Loading…