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. 06, 1995
Filed:
Nov. 12, 1993
Applicant:
Inventor:
Klaus-Peter Ohms, Darmstadt, DE;
Assignee:
Hofmann Maschinenbau GmbH, Pfungstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73146 ;
Abstract
A method of measuring irregularities of a pneumatic tire comprises carrying out first and second measuring runs, each of which involves rolling the tire in an inflated condition in a rotary mounting means under a given preload against a test surface and measuring the reaction forces which occur in that operation in the form of two force fluctuation diagrams. The tire is turned, for example, through 120.degree. or 180.degree. about the axis of the rotary mounting means between the measuring runs and a correction value is ascertained from the two force fluctuation diagrams to compensate for error values resulting from the rotary mounting means.