Mechanism for an aneroid barometer

Details Mechanism for an aneroid barometer Mechanism for an aneroid barometer

1989-06-13

1990-09-04

Orsino, Joseph A.

Measuring and testing

Barometer

Aneroid

73386, 73729, G01L 712

Patent

active

049534041

ABSTRACT:
Mechanism for an aneroid barometer comprising, in a support 2, a primary lever 4 whose center is in contact with the cell 3, the axis of rotation 40 of this primary lever being located at the periphery of the support, an endless screw 5 equipped with a helicoidal ramp 51 made integral with the lever 4 via a bridge 7, a secondary lever 6 whose axis of rotation 60 rests on the free end 41 of the lever 4, the free end 61 of this lever 6 ending in a point 62 which acts permanently on the helicoidal ramp 51. A single spring 8 bears on the support 2 and keeps both the lever 4 in contact with the cell and the secondary lever on the primary lever.

REFERENCES:
patent: 3451272 (1969-06-01), Frey et al.
patent: 3631723 (1972-01-01), Eberhard et al.
patent: 3874242 (1975-04-01), Csaposs et al.
patent: 4006638 (1977-02-01), Woelfl
patent: 4238958 (1980-12-01), Dostmann
patent: 4255970 (1981-03-01), Van Pottelberg
patent: 4361048 (1982-11-01), Huttinger
patent: 4543824 (1985-10-01), Marterer

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