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:
Apr. 06, 1982
Filed:
Feb. 25, 1980
Applicant:
Inventor:
John H Bickford, Middletown, CT (US);
Assignee:
Raymond Engineering Inc,, Middletown, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73 / ;
Abstract
A calibration test stand and method is presented for calibration of hydraulically powered torque wrenches. A hydraulic wrench to be powered by a pump is directly calibrated with the pump so that the pressure level of the pump can be accurately set to obtain the desired output torque level.