Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Patent
1991-04-25
1992-08-18
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
051388871
ABSTRACT:
A clamping device for holding a sample to be tested in a testing machine is so constructed that an automatic alignment of the clamping device relative to a vertical load application axis is assured to avoid the introduction of undesirable bending moments into the test sample. Thus, tension and/or compression and/or torsion loads can be applied to the test sample without interfering bending moments. For this purpose a clamping shaft is journalled in a support member for journalling about a first axis (9) and the support member is journalled in a mounting buck for journalling about a second axis (13). The mounting buck is secured to the frame of the testing machine. The two journal axes (9, 13) extend perpendicularly to the load application axis (3) of the testing machine. Further, the two journal axes (9, 13) and the load application axis (3) have a common intersection (21).
REFERENCES:
patent: 213586 (1879-03-01), Olsen
patent: 2773368 (1956-12-01), Slaght
patent: 3347091 (1967-10-01), Cymmer et al.
patent: 4194402 (1980-03-01), De Nicola
patent: 4928532 (1990-05-01), O'Connor et al.
Carl Schenck AG
Fasse W. G.
Myracle Jerry W.
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