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. 13, 2001
Filed:
Mar. 03, 1999
Applicant:
Inventors:
David O. Crane, Lutterworth, GB;
Hedley L. Quinton, Castle Donington, GB;
Assignee:
Crane Electronics Ltd., Leicestershire, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 3/00 ;
U.S. Cl.
CPC ...
G01L 3/00 ;
Abstract
A variable rate test joint comprises a housing and a shaft mounted within the housing. A hexagonal head is provided for coupling a tool to be tested to the shaft. In use a frictional braking torque is applied to the shaft. A computer controls the magnitude of the braking torque applied to the shaft as a function of time.