Weighing scales

Details Weighing scales Weighing scales

1991-05-10

1993-03-16

Miller, Jr., George H.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177254, 177 10, G01G 504, G01G 2338

Patent

active

051936313

ABSTRACT:
Weighing scales for use as a teaching aid in educational establishments. The scales include a platform adapted to receive an article to be weighed, a compressible, fluid-containing reservoir, in the form of bellows or diaphragm provided with a fixed wall. The scales are provided with display means which are in fluid communication with the reservoir. The display means is a transparent flexible tube adapted to display the volume of fluid displaced in response to the article being placed upon the platform.

REFERENCES:
patent: 2795410 (1957-06-01), Reynard
patent: 3164218 (1965-01-01), McClimon
patent: 3465838 (1969-09-01), Kienzle etal.
patent: 3472328 (1969-10-01), Holman
patent: 3658142 (1972-04-01), Marshall et al.
patent: 3658143 (1972-04-01), Schwartz
patent: 4002216 (1977-01-01), Solow
patent: 4775019 (1988-10-01), Schenter et al.
patent: 4844189 (1989-07-01), Shisgal et al.
patent: 4852675 (1989-08-01), Wang

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