Indicator device

Details Indicator device Indicator device

1997-06-26

1998-03-31

Dombroske, George M.

Measuring and testing

Fluid pressure gauge

Piston

73715, 731468, 116 34R, G01L 716

Patent

active

057341095

ABSTRACT:
The invention relates to an indicator device 1, especially for use as a manometer, with a housing 2 provided with an inlet for the pressurized medium to be measured and a spring-loaded piston 13 which can come into contact with the pressurized medium. The precision of the pressures indicated can be increased and the size can be made especially compact when the piston is designed as a control piston 13 and is in a working connection with an indicator element 5 via a groove and projection combination 39, 40 which translates the stroke of the control piston 13 into a rotating movement of the indicator element 5.

REFERENCES:
patent: 1397728 (1921-11-01), Evans
patent: 1421774 (1922-04-01), Harder
patent: 3975959 (1976-08-01), Larkin
patent: 4433579 (1984-02-01), Horn

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