Load cell scale

Details Load cell scale Load cell scale

1974-06-14

1977-05-03

Hix, L. T.

Weighing scales

Structural installation

Vehicle

177211, 73141A, G01G 1908

Patent

active

040209113

ABSTRACT:
Several load cell fixed beams transmit the weight of the useful load of a truck or a scale device from the useful load support to the base structure, such as a truck chassis, or a trailer chassis. The load cell fixed beam carries two compression sensitive strain gauges and two tension sensitive strain gauges connected in a Wheatstone bridge circuit to actuate a digital display. An amplifier or a variable gain amplifier can be provided to intensify the bridge circuit signal. Calibration controls can be provided for setting the readout of the useful load to zero, and further controls can alter the sensitivity of the circuitry to alter the ratio between useful weight and readout.

REFERENCES:
patent: 2848892 (1958-08-01), Hoffman
patent: 2920480 (1960-01-01), Haas
patent: 3159227 (1964-12-01), Raskin
patent: 3283838 (1966-11-01), Fetterman
patent: 3363456 (1968-01-01), Laimins
patent: 3365689 (1968-01-01), Kutsay
patent: 3433063 (1969-03-01), Ten Cate
patent: 3439761 (1969-07-01), Laimins
patent: 3446298 (1969-05-01), Cort
patent: 3495453 (1970-02-01), Angelo
patent: 3603418 (1971-09-01), Schmidt
patent: 3661220 (1972-05-01), Harris
patent: 3734216 (1973-05-01), Nordstrom
patent: 3771359 (1973-11-01), Shoberg
patent: 3780817 (1973-12-01), Videon

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