Pressure gauge showing a current and a preset pressure

Details Pressure gauge showing a current and a preset pressure Pressure gauge showing a current and a preset pressure

1996-08-12

1997-07-22

Dombroske, George M.

Measuring and testing

Instrument casing

116293, 116297, 73700, G01D 1124

Patent

active

056505663

ABSTRACT:
A pressure gauge includes a base portion on which a cap is mounted, the base portion having a first indicating needle rotatably disposed to a center thereof, a frame disposed to the base portion and having two tubes extending therefrom, two activating bars and a second indicating needle mounted to the two tubes, each of the two activating bars having an extending plate pivotally connected thereto, the cap having a setting device disposed thereto so as to rotate the second indicating needle together with a higher extending plate, the lower extending plate together with the first indicating needle moved to a position where the lower extending plate is magnetically connected to the higher extending plate so as to stop an increment of a pressure.

REFERENCES:
patent: 877314 (1908-01-01), Fee
patent: 2941498 (1960-06-01), Teter
patent: 3016308 (1962-01-01), Stiens
patent: 3089340 (1963-05-01), Hageman
patent: 3242732 (1966-03-01), Fritz
patent: 4196690 (1980-04-01), Alinari

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