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:
Nov. 04, 2014
Filed:
May. 28, 2010
Applicants:
Takato Nakamura, Saitama, JP;
Naoki Kimoto, Saitama, JP;
Inventors:
Takato Nakamura, Saitama, JP;
Naoki Kimoto, Saitama, JP;
Assignee:
Fujikura Rubber Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 1/068 (2006.01); F16D 1/08 (2006.01); F16C 3/02 (2006.01); F16D 1/10 (2006.01);
U.S. Cl.
CPC ...
F16C 3/026 (2013.01); F16D 1/0858 (2013.01); F16D 1/087 (2013.01); F16D 2001/103 (2013.01); F16D 2001/102 (2013.01);
Abstract
An FRP drive shaft is formed by joining metal end-joints to each end of an FRP cylinder, wherein each of the metal end-joints includes a press-fitting joint having a serrated portion which is press-fitted into the FRP cylinder, and a cylindrical outer collar which is fixed to an outer periphery of the FRP cylinder, and non-circular engaging portions which are engaged with each other to transfer rotation are formed on the press-fitting joint and the cylindrical outer collar, respectively.