Adjustably keyed pressure gauge construction

Details Adjustably keyed pressure gauge construction Adjustably keyed pressure gauge construction

1981-09-17

1983-11-08

Goldstein, Herbert

Measuring and testing

Fluid pressure gauge

Mounting and connection

73741, 73431, 73740, 116305, 403 14, 248 271, G01L 1900, G01L 704

Patent

active

044135297

ABSTRACT:
A pressure gauge having a rotatably secured Bourdon tube, and a dial plate arcuately displaceable for effecting zero calibration of the gauge includes a rotationally presettable key for registered placement within a key-slotted receptacle in which the gauge is to be utilized. Keying is provided by a simulated Y-shaped washer mounted in an annular groove on the gauge stem and arcuately secured post-calibration at a predetermined angular setting from a reference point on the gauge dial.

REFERENCES:
patent: 1922616 (1933-08-01), Chisolm
patent: 3010520 (1961-11-01), Seaberg
patent: 3463517 (1969-08-01), Courtot et al.
patent: 3952598 (1976-04-01), Ferguson et al.
patent: 4046387 (1977-09-01), Lee
patent: 4161888 (1979-07-01), Bissell
patent: 4296949 (1981-10-01), Muetterties
patent: 4384736 (1983-05-01), Hartung

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