Weighing scales – Preset
Patent
1975-08-13
1976-06-01
Miller, Jr., George H.
Weighing scales
Preset
177246, G01G 2314, G01G 118
Patent
active
039602265
ABSTRACT:
Disclosed herein is a weighing machine that will indicate weight in any weight system desired utilizing a single graduated scale. A beam is supported by a fulcrum on a stand. A weight pan is hung from the beam on one side of the fulcrum, and a slidable poise of variable weight is carried on the beam on the side opposite the weight pan. A graduated scale is affixed to the beam on the side opposite the weight pan and has its zero in the vertical plane of the fulcrum. The mass and center of gravity of the beam on one side are adjustable to balance with the other side while the poise is at zero and in the vertical plane of the fulcrum. This enables poises corresponding to other weight systems to be attached to the beam without disturbing its equilibrium. Consequently the scale will indicate whatever units the poise is designed for.
REFERENCES:
patent: 274494 (1883-03-01), Hassell
patent: 1486494 (1924-03-01), Ollert
patent: 3299977 (1967-01-01), Melandy
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