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:
Oct. 07, 2003
Filed:
May. 09, 2001
Vogel P. Grote, Jordan, MN (US);
Paul M. Krueger, New Hope, MN (US);
Bradley D. Schulz, Savage, MN (US);
Andrew B. Geppert, Blaine, MN (US);
Jason D. Holm, St. Louis Park, MN (US);
MTS Systems Corporation, Eden Prairie, MN (US);
Abstract
A test specimen holder for holding a test specimen in a material testing machine includes a base member having a piston chamber, a valve chamber fluidly coupled to the piston chamber, a port fluidly coupled to the valve chamber and an end couplable to a material testing machine. A piston is movable relative to the piston chamber. A pair of first and second jaw assemblies are supported by the base members so as to be opposite each other. The jaw assemblies are operably coupled to the piston. A valve is disposed in the valve chamber and a valve stem is coupled to the valve. The valve stem is supported by the base member and is twistable to operate the valve. A user operable knob is coupled to the valve stem.