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:
Jul. 16, 2002
Filed:
Jun. 23, 1998
Jesse Ambrosina, Somerville, MA (US);
Gerhard Pawelka, Lexington, MA (US);
Graber Products, Inc., Madison, WI (US);
Abstract
A measuring apparatus and method for measuring power in a bicycle are described. The hub of the driven wheel of the bicycle includes one or more components such as an inner hub member, an outer hub member or a linking member which couple the rotational torque through the wheel to rotate the wheel. A sensor such as one or more strain gauges is mounted on one of the components that couple torque through the wheel such that strain in the torque coupling component is detected. The detected strain is used to determine applied torque which is used to determine power applied to the driven wheel of the bicycle. Because the torque coupling component is mounted in the hub in the path along which torque is coupled through the wheel, the sensor rotates with the wheel as it detects the applied torque.