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. 14, 2011
Filed:
Aug. 25, 2006
Applicant:
Michael William Ford, Sutton Coldfield, GB;
Inventor:
Michael William Ford, Sutton Coldfield, GB;
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A force sensor () is forced from a vibrating beam (), an excitation piezoelectric device () to cause a vibration in the beam at its resonate frequency and a measurement piezoelectric device () to measure the frequencies being indication of the force applied to the beam (). The excitation and measurement piezoelectric devices () are attached to the beam adjacent to each other at one end of the beam ().