Patent · US Expired

Test specimen holder

US6629466B2 · kind B2 · utility

16Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 2001
Grant dateOct 7, 2003
Priority date
Expiry dateMay 9, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2203/0411
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.