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:
Dec. 25, 2018
Filed:
Nov. 10, 2016
Applicant:
Praxis Works Llc, Santa Cruz, CA (US);
Inventors:
David M. Earle, Watsonville, CA (US);
Ding-Jiun Lin, Taipei, TW;
Assignee:
Praxis Works LLC, Santa Cruz, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/86 (2006.01); B60B 27/04 (2006.01); B60B 1/00 (2006.01); B60B 27/00 (2006.01); B60B 27/02 (2006.01); B60B 1/04 (2006.01); B21D 53/28 (2006.01); B62M 9/10 (2006.01); B21D 53/26 (2006.01); B60B 31/00 (2006.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B21D 53/86 (2013.01); B21D 53/28 (2013.01); B60B 1/003 (2013.01); B60B 1/041 (2013.01); B60B 1/042 (2013.01); B60B 27/0026 (2013.01); B60B 27/023 (2013.01); B60B 27/047 (2013.01); B62M 9/10 (2013.01); B21D 53/26 (2013.01); B23K 2101/00 (2018.08); B60B 31/005 (2013.01); Y10T 29/49462 (2015.01); Y10T 29/49465 (2015.01); Y10T 29/49481 (2015.01); Y10T 29/49506 (2015.01);
Abstract
A cassette for a bicycle may include a plurality of sprocket portions joined together into a single unit. The cassette may include a cavity formed in the large end of the cassette. A related manufacturing method may include joining a first generally planar sprocket portion having a plurality of connector portions extending transverse to the plane of the first sprocket portion, to a second generally planar sprocket portion, e.g., by fusing at least one of the connector portions to the second sprocket portion.