Barometer

Details Barometer Barometer

1984-04-26

1985-10-01

Woodiel, Donald O.

Measuring and testing

Barometer

Aneroid

73729, G01L 712

Patent

active

045438242

ABSTRACT:
A barometer which includes a vacuum housing, a pivotably supported pointer shaft, a return spring for the pointer shaft and a transmission mechanism, which exhibits a pivotably supported output shaft, which runs perpendicular to the surface of the vacuum housing and whose pivoting is coupled with that of the pointer shaft, and has a helical element, so that the translational movement of the vacuum housing is converted into a pivoting movement of the output shaft by the cooperation between the helical element and the output shaft. The helical element (32) is made integral with the instrument, the output shaft (22) can both pivot and be axially displaced and the output shaft rests with an end portion thereof turned toward the vacuum housing and contacting (4) the vacuum housing and is held in this position by return spring (28). The transmission mechanism exhibits, in the form of the output shaft, only one movable part.

REFERENCES:
patent: 32329 (1861-05-01), Wootten
patent: 32514 (1861-06-01), Finnegan
patent: 2017183 (1935-10-01), Nutsford

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