Apparatus for measuring the mechanical characteristics of a body

Details Apparatus for measuring the mechanical characteristics of a body Apparatus for measuring the mechanical characteristics of a body

1980-05-27

1981-12-01

Myracle, Jerry W.

Measuring and testing

Hardness

By penetrator or indentor

73843, G01N 300

Patent

active

043029671

ABSTRACT:
The apparatus comprises two coaxial elements (1,2), a first element (4) provided between the said two elements (1,2) and arranged to combine them and to oppose the relative displacements of the elements along their common axis (3), when a stress along the axis is applied at the free end of one of these elements and directed towards the other element, and also to oppose the relative rotation of the elements, a probe (7) affixed to the free end (6) of one of the elements (2), a second element (8) provided at the free end (5) of the other element (1) to apply the aforementioned stress and a torque to the elements (1,2), a cursor (9) arranged to move along the element (2) bearing the probe (7), parallel to the axis (3), from the free end (10) of the probe (7) towards the other element (1), when the probe penetrates into the body or medium to be measured and a third element (11 ) arranged, in a first position, to enable the aforementioned stress along the axis (3) and the displacement of the cursor (7) on the element (2) to be measured simultaneously and, in a second position, for the simultaneous measurement of the stress along the axis and the aforementioned torque, the conversion from the first position to the second position being obtained by a locking appliance.

REFERENCES:
patent: 3712121 (1973-01-01), Fletcher et al.
patent: 3797301 (1974-03-01), Hawes

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