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:
Apr. 14, 2015
Filed:
Apr. 23, 2013
Applicant:
Praxis Works Llc, Aptos, CA (US);
Inventors:
David M. Earle, Watsonville, CA (US);
Chin T. Chuang, Dacun Township, Changhua County, TW;
Assignee:
Praxis Works LLC, Aptos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 9/00 (2006.01); F16C 13/00 (2006.01); B60B 27/00 (2006.01); B62M 3/00 (2006.01); B62K 19/34 (2006.01);
U.S. Cl.
CPC ...
B60B 27/0005 (2013.01); B60B 27/0078 (2013.01); B62M 3/003 (2013.01); B62K 19/34 (2013.01);
Abstract
An improved bicycle bottom bracket system and methods of manufacturing and installing such a system. The improved system may include bearings mounted within bearing cups on either side of the bottom bracket shell of a bicycle frame. The bearing cups may be threaded together, and one bearing cup may include a collet portion expandable by the other bearing cup.