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:
Jun. 27, 2017
Filed:
Jun. 06, 2014
Applicant:
Robert William Thompson, Camberley, GB;
Inventor:
Robert William Thompson, Camberley, GB;
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62M 1/26 (2013.01); B62M 1/30 (2013.01); B62M 1/36 (2013.01); B62M 1/38 (2013.01); B62M 3/08 (2006.01); B62M 11/18 (2006.01);
U.S. Cl.
CPC ...
B62M 1/38 (2013.01); B62M 1/26 (2013.01); B62M 1/30 (2013.01); B62M 1/36 (2013.01); B62M 11/18 (2013.01); B62M 3/083 (2013.01);
Abstract
A chainless drive mechanism for a bicycle using pedal arms, one on each side of the bicycle, each pedal arm carrying a pedal engageable with a rider's foot. Each pedal arm is mounted to a crank by a rotating joint and connected to the frame of the bicycle by a link, each link having rotating joints at each end. The cranks are connected by a shaft passing through the hub of to the driven wheel of the bicycle. The cranks may be connected to the driven wheel by a multi ratio free wheeling gear mechanism.