Wide scale pointer arc, diaphragm gauge

Details Wide scale pointer arc, diaphragm gauge Wide scale pointer arc, diaphragm gauge

1992-01-14

1994-10-18

Woodiel, Donald

Measuring and testing

Fluid pressure gauge

Diaphragm

73756, 116 34R, G01L 708

Patent

active

053557336

ABSTRACT:
An indicator gauge may utilize a motion amplifying gauge movement. The motion amplifying mechanism makes it possible for a diaphragm-type pressure gauge to provide large angular displacements for an indicating pointer. The indicator gauge may be configured to have a maximum readout visibility in the range from about 0.degree. to about 270.degree.. A single-piece crankshaft located on an adjustable mounting translates the short range of motion of a diaphragm button to a pivotal gear segment. The crankshaft may be configured as a C-shaped crankshaft or an L-shaped crankshaft. The pivotal gear segment may be wedge-shaped or have an extension arm for contact with the crankshaft. The crankshaft may also contact a downwardly or upwardly extending boss located on the pivotal gear segment.

REFERENCES:
patent: 18526 (1857-10-01), Allen
patent: 30803 (1860-12-01), Daboll
patent: 1411917 (1922-04-01), Harris
patent: 1666787 (1928-04-01), Michelin
patent: 2123532 (1938-07-01), Hastings et al.
patent: 3111033 (1963-11-01), Muzzi
patent: 3375718 (1968-04-01), Robinson et al.
patent: 3916185 (1975-10-01), Jehly
patent: 4240297 (1980-12-01), Speidel
patent: 4552153 (1985-11-01), Newman et al.
patent: 4733564 (1988-03-01), Gorge

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