Utility pole hardness tester

Details Utility pole hardness tester Utility pole hardness tester

1980-11-25

1982-08-10

Swisher, S. Clement

Measuring and testing

Hardness

By penetrator or indentor

G01N 348

Patent

active

043431798

ABSTRACT:
The invention relates to a test device, by means of which power poles are tested for hardness or rot depth. The device comprises a frame portion and a test needle or corresponding member located therein or thereto. The test needle is to be exposed to an actuation force so as to penetrate into the pole material. The degree of penetration for a definite actuation force is a measure of the hardness or rot depth. The test device further comprises means to be exposed to actuations, for example manual ones, by which means the actuation force to the penetration portion can be produced. The frame portion is provided with a part, which entirely or partially can be driven into the ground base adjacent the pole. The exposed means extend with upper portions above the ground surface in order to permit actuations to produce the actuation force. At the upper portions of the exposed means indicating means are located which indicate the degree of penetration for a definite size of the actuation force.

REFERENCES:
patent: 2389030 (1945-11-01), Dana
patent: 4249414 (1981-02-01), Barth

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