Pressure gauge

Details Pressure gauge Pressure gauge

2007-05-03

2009-06-16

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Bourdon

Reexamination Certificate

active

07546773

ABSTRACT:
A pressure gauge includes a core, a first dial, a first hand, a second dial, a second hand and a gear system. The core includes a body, a joint connected to the body and a Bourdon tube connected to the body. The first dial is connected to a side of the core for showing a large range of pressure. The first hand is located on the first dial. The second dial is connected to an opposite side of the core for showing a small range of pressure. The second hand is located on the second dial. The gear system connects the Bourdon tube to the first and second hands.

REFERENCES:
patent: 2084089 (1937-06-01), Jones
patent: 3603282 (1971-09-01), Abromaitis
patent: 3875800 (1975-04-01), Stockton
patent: 4520668 (1985-06-01), Allemano
patent: 4773271 (1988-09-01), Mutou et al.
patent: 6301764 (2001-10-01), Klein et al.
Taiwanese M264493, 8 pages.

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