Portable hardness tester

Details Portable hardness tester Portable hardness tester

1981-02-13

1982-11-30

Swisher, S. Clement

Measuring and testing

Hardness

By penetrator or indentor

G01N 342

Patent

active

043610340

ABSTRACT:
Apparatus for supporting a metal hardness test head comprises a base with a plurality of coplanar petal-like supports integral with and extending outwardly from a lower part thereof, an elevating screw in threaded engagement with said base and including a lateral bore therein communicating with a lateral bore of the base, means within the communicating lateral bores for bracing the elevating screw against movement relative to the base and a carriage for supporting a test head above the base, movable along the elevating screw.

REFERENCES:
patent: 1209350 (1916-12-01), Steiner
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patent: 2448486 (1948-08-01), Chester
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patent: 3128621 (1964-04-01), Scott
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patent: 3486373 (1969-12-01), Scott
patent: 3754436 (1973-08-01), Saxton
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patent: 4094188 (1978-06-01), Bellouin et al.
patent: 4147052 (1979-04-01), Tsujiuchi et al.
Introdyne Universal Horizontal Hardness Tester, (Blue River Laboratories, R.D. #4, Box 76, Lewistown, Pennsylvania 17044).
Hirth Minimeter for Accurate Measuring, (Falkimer Machinery Co. Pty, Ltd., Famacoy House, Goulburn Street, Sydney, Australia).

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