Dial indication type measuring instrument

Details Dial indication type measuring instrument Dial indication type measuring instrument

1984-01-25

1985-11-19

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 320, G01B 502

Patent

active

045533296

ABSTRACT:
The present invention relates to a dial indication type measuring instrument in which a shift in position of a needle can be easily corrected.
A driving pinion for driving the needle is biased by a spring provided on a dial indicating portion to be normally meshingly engaged with a rack provided in a main scale. Movably inserted through and held in a slider is a releasing pin, the forward end of which is engaged with said driving pinion. When this releasing pin is pushed in or pulled out, the driving pinion can be released from the rack against the biasing force of the spring, and, when the slider is moved in the above-described state, a shift in position of the needle can be corrected.

REFERENCES:
patent: 4106204 (1978-08-01), Schader

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