Device and procedure for testing heavy capacity scales

Weighing scales – With testing

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Details

177146, 73 1B, G01G 1952, G01L 2500

Patent

active

046589210

ABSTRACT:
A device for testing heavy capacity scales by providing a means for accurately loading such scale platforms by using a simple load cell incorporating column thruster reacting against the scale deck or platform said column being restrained by the scale baseplate supports or from the foundation footings. The column is kept vertical and the load cell output gives an accurate readout of the load applied to the platform. The procedure consists of loading locally over each platform support point to a loading value equal to the maximum load that each support point would experience under the worst condition of full capacity loading. By using this system electronic scales can be calibrated and subsequently checked for accuracy and recalibrated by adjusting the individual support load cell outputs. Mechanical scales can be also tested using this device and procedure and are adjusted as if the said column thruster were stacked dead weight test weights.

REFERENCES:
patent: 1112320 (1914-09-01), Price
patent: 3194050 (1965-07-01), Ruge
patent: 4090393 (1978-05-01), Kharitonov et al.
Morehouse Universal Calibrating Machine, Bulletin 158, Morehouse Machine Co., 1742 Sixth Ave., York, Pa.

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