Testing machine grip

Details Testing machine grip Testing machine grip

1978-08-31

1980-03-25

Myracle, Jerry W.

Measuring and testing

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

Specimen clamp, holder, or support

G01N 304

Patent

active

041944020

ABSTRACT:
A grip for a materials testing machine comprises a housing, first and second wedge members within the housing, the first wedge member having a gripping surface defining a test-specimen-receiving aperture and the second wedge member having an aperture for receiving the first wedge member, the wedge members being movable with respect to each other, and each of the wedge members having an inclined portion directed oppositely to the inclined portion of the other wedge member, and means for preloading the wedge members to cause them to move with respect to each other, whereby the wedge members interact to exert a gripping force on a test specimen through the first wedge member's gripping surface.

REFERENCES:
patent: 306730 (1884-10-01), Emery
patent: 308957 (1884-12-01), Emery
patent: 3224259 (1965-12-01), De Nicola
patent: 3368834 (1968-02-01), Stratienko
patent: 3501183 (1970-03-01), Stratienko
Posit-Grip Products Division Brochure, Roller Bearing Company of America, West Trenton, N.J., Cat. 5007/77-5M.

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