Portable scale

Details Portable scale Portable scale

1975-09-24

1977-01-11

Miller, Jr., George H.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177126, 177254, G01G 504, G01G 2100

Patent

active

040022161

ABSTRACT:
Portable scale comprises a platform supported by an air bag with the air bag connected to a pressure-reading device calibrated in weight so that, when a load is placed on the platform, the pressure-reading device indicates its weight. In the preferred embodiment, the air bag is collapsible to occupy little storage space and the indicating device is a bellows constrained by tension spring so that, as pressure increases in the bellows, the lower gage plate moves down the calibrated tape to indicate the weight load.

REFERENCES:
patent: 3261203 (1966-07-01), Young
patent: 3378090 (1968-04-01), Christie
patent: 3433316 (1969-03-01), Newman

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