Test specimen grip apparatus

Details Test specimen grip apparatus Test specimen grip apparatus

1988-11-10

1989-12-26

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specimen clamp, holder, or support

G01N 302

Patent

active

048889954

ABSTRACT:
Improvements in test specimen grip apparatus for tensile stress testing machines includes replaceable grip inserts that are able to accommodate wider than usual test specimens, particularly textile test specimens. The specimen grip means or grip inserts are threadedly retained on and may be substantially wider than their supporting jaw members. The grip housing, moreover, is provided with apertures for access to the threaded retainers for ease of grip insert removal and replacement. In addition, fluid actuation is preferably provided for the jaw members of the improved grip apparatus and a thumb screw is also disclosed for temporarily locking the jaw members in a selected open position, when mounting test specimens or removing and/or replacing grip inserts.

REFERENCES:
patent: 2702929 (1955-03-01), Laddon et al.
patent: 4662229 (1987-05-01), Curtis

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