Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1986-06-05
1987-11-24
Miller, Jr., George H.
Weighing scales
Self-positioning
Electrical current generating or modifying
7386265, G01G 314, G01L 122
Patent
active
047082178
ABSTRACT:
Extensile beam structures, devoid of profiles having vertical flanges, are provided for a flat weighing-machine. Each beam structure features a pair of longitudinally aligned and separated tongue-plates, bridged by an overlying thin bridge-sheet parallel to and vertically offset from the tongue-plates. Each tongue-plate has an orifice connected to supports, which load the beam structure to cause bending thereof. The bridge-sheet is reinforced for rigidity along most of its length, except for a middle zone thereof where strain-gauges are attached and where flexibility is further enhanced by recesses cutting into the width thereof. Wider anchor-plates having bent ends are fixed to the overlapping parts of the bridge-sheet and the pair of tongue-plates, and vertically corresponding ends of the anchor-plates are joined by respective thin strip-plates that articulate each tongue-plate about the bridge-sheet, thereby conveying extensibility to the beam structure, to eliminate hysteresis and assist in reducing angle and moment errors.
REFERENCES:
patent: 4361199 (1982-11-01), Ulicny
patent: 4611678 (1986-09-01), Andriewsky
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