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. 31, 1989
Filed:
Jun. 02, 1987
Applicant:
Inventors:
Richard Gerstner, Dittelbrunn, DE;
Gunter Look, Grafenrheinfeld, DE;
Werner Seybold, Gadheim, DE;
Werner Steuer, Schweinfurt, DE;
Assignee:
Fichtel & Sachs AG, Schweinfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K / ;
U.S. Cl.
CPC ...
291593 ; 29557 ;
Abstract
A hub sleeve for a bicycle hub is manufactured by cold-swaging or forging. The hub sleeve is integrally provided with ball bearing faces and with internal torque transmission teeth. The torque transmission teeth are obtained by radial dislocation of the wall material of the hub sleeve.