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. 21, 1981
Filed:
Jul. 16, 1979
Applicant:
Inventors:
J Laurence Powell, Andover, MA (US);
Richard A Powell, Chicago, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
73651 ; 73146 ;
Abstract
A vibrometer comprising a reed unit adjustably clamped in position within a case. The reed unit includes three vibratory reed portions projecting from a base. Each of the reeds will vibrate at its natural frequency in response to vibration at a preselected vehicle speed, and adjustment of the reed unit according to tire size maintains the speed at which the reeds will vibrate substantially constant.