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:
Jul. 14, 2020

Filed:

Oct. 12, 2017
Applicant:

Wick Werks, Llc, Ogden, UT (US);

Inventors:

Christopher A. Wickliffe, Ogden, UT (US);

Eldon Goates, Colorado Springs, CO (US);

Assignee:

WICK WERKS, LLC, Ogden, UT (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 55/30 (2006.01); B62M 9/10 (2006.01); B62M 9/12 (2006.01); F16H 55/08 (2006.01);
U.S. Cl.
CPC ...
F16H 55/303 (2013.01); B62M 9/105 (2013.01); B62M 9/12 (2013.01); F16H 55/08 (2013.01);
Abstract

A bicycle chain ring for engaging a chain link of a bicycle chain, the bicycle chain ring including an inner edge fully circumscribing both an opening and an axis of rotation, an inner surface extending between the inner edge and an outer edge where a plurality of chain ring teeth emanate, and a plurality of ramps disposed about the inner surface, wherein at least one of the plurality of ramps includes a lifting surface for initiating lift of a bicycle chain without assistance from the plurality of chain ring teeth. The lifting surface extends radially along the inner surface toward the outer edge, and the at least one ramp has a first end proximate the inner edge and a second end proximate the outer edge. The second end of the at least one lifting surface terminates before reaching the bottom of a trough positioned between two or more of the plurality of chain ring teeth.


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