Compensated load cell

Details Compensated load cell Compensated load cell

1981-06-12

1983-04-19

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

73 1B, 73765, 177211, G01L 122, G01L 2500

Patent

active

043801757

ABSTRACT:
A force measuring device comprising a load receiving platform supported by a multiple bending parallelogram beam type load cell is provided with a plurality of electrical strain gages. Strain gage elements mounted on one of the beams are displaced toward one side of the beam and strain gage elements mounted on the other beam are displaced toward the other side of the other beam. An appropriate resistor network is connected to at least one strain gage on one or both of the beams to correct for either longitudinal or transverse displacement of the load on the platform. To correct for both transverse and longitudinal displacement of the load a resistor network is connected to each of three of the strain gages. Suitable procedures for determining the values of the resistor networks in combination with the above structure are included.

REFERENCES:
patent: 3576128 (1971-04-01), Lockery
patent: 3968683 (1976-07-01), Drmond
patent: 4128001 (1978-12-01), Marks
patent: 4342217 (1982-08-01), Paetow

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