Weighing scale with fluid pressure transmission means

Details Weighing scale with fluid pressure transmission means Weighing scale with fluid pressure transmission means

1991-08-29

1992-12-15

Fuller, Benjamin R.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177208, 177254, G01G 504

Patent

active

051708566

ABSTRACT:
A weighing scale of the type comprising a scale is disclosed wherein the weighing scale is table for bearing the thing to be measured; a first hydraulic cylinder disposed below the scale table; a feeler transmitting the pressure applied at the scale table to the first hydraulic cylinder; a second hydraulic cylinder connected to the first hydraulic cylinder by a pipe and disposed at a level below the first hydraulic cylinder to bear the pressure transmitted through the feeler; a probe forced to make a linear displacement corresponding to the amount of the pressure transmitted from the first hydraulic cylinder to said second hydraulic cylinder; and an electronic inductor to detect the range of the linear displacement and convert it into a corresponding digital data for display.

REFERENCES:
patent: 2639613 (1953-05-01), Richmond
patent: 3261203 (1966-07-01), Young
patent: 4184555 (1980-01-01), Maltby et al.
patent: 4360071 (1982-11-01), Dyck
patent: 4456084 (1984-06-01), Miller
patent: 4537266 (1985-08-01), Greenberg
patent: 4569407 (1986-02-01), Gray et al.

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