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:
Mar. 03, 1998
Filed:
Aug. 07, 1996
Frederick J Rogers, Little Rock, AR (US);
Jean de Bellefeuille, North Little Rock, AR (US);
Snap-on Technologies, Inc., Lincolnshire, IL (US);
Abstract
A method of calibrating a parameter entry device for a vehicle wheel balancer utilizes a parameter entry device having an elongated rod slideably and rotatably mounted to the balancer in parallel with the rotatable wheel-mounting shaft. A transverse arm having a known length and a wheel contacting tip is connected to the rod. A rotary encoder is coupled to the rod so that when the tip is positioned for measuring wheel components the encoder measures angular displacement. Angular measurements of two known radial positions are used for determining the relative angles between each angle and the rest position of the arm to establish a reference. Using the established reference, measurements for determining radius and diameter of various wheel components can be made.