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:
Jan. 26, 2016
Filed:
Apr. 13, 2012
Applicant:
David A. Brookfield, Sharon, MA (US);
Inventor:
David A. Brookfield, Sharon, MA (US);
Assignee:
Brookfield Engineering Laboratories, Inc., Middleboro, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 5/24 (2006.01); G01N 11/14 (2006.01);
U.S. Cl.
CPC ...
G01B 5/24 (2013.01); G01N 11/14 (2013.01);
Abstract
An improved rheometer and rotatable sensing shaft sub-assembly therefor with flexural pivot support at two ends of the shaft, and means for allowing limited axial movement of the shaft while maintaining rigid radial support, with transducer means for extracting and signaling rotational position of the shaft based on shear stress of a fluent material contacting a spindle, cone/plate or other extension of the shaft and/or a related motor-driven member such as a cylinder.