Guide device for a test body of a hardness measuring instrument

Details Guide device for a test body of a hardness measuring instrument Guide device for a test body of a hardness measuring instrument

1988-05-11

1989-07-18

Levy, Stewart J.

Measuring and testing

Hardness

By penetrator or indentor

G01N 348

Patent

active

048481408

ABSTRACT:
A device for guiding a hardness test body has a first bar device supporting the test body on one end, the geometric central axis of the bar device passing through the middle of the test body, and a second bar device which is substantially perpendicular to the first bar device. The second bar device comprises two flat broad leaf springs which are disposed parallel and at a considerable distance from each other with the light direction in the geometric central axis. A rigid bearing block of considerable height is immovable in the measuring position and extends parallel with the central axis. One end of the leaf springs is rigidly clamped on the bearing block. The other end of the leaf springs is rigidly connected to the first bar device which extends at least over the distance between the leaf springs. The effective length of the leaf springs is the same. A third bar device lies between the leaf springs and is pivotably mounted through the bearing block, with one end connected to the first bar device and compensating weights on the other end.

REFERENCES:
patent: 3202886 (1965-08-01), Kramer
patent: 3425263 (1969-02-01), Elliotte et al.
patent: 4094188 (1978-06-01), Bellouin et al.
patent: 4111039 (1978-09-01), Yamawaki et al.
patent: 4542311 (1985-09-01), Newman et al.
patent: 4611487 (1986-09-01), Krenn et al.
patent: 4671104 (1987-06-01), Fischer
patent: 4691559 (1987-09-01), Fischer

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