Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1979-11-13
1981-08-18
Hartary, Joseph W.
Weighing scales
Self-positioning
Electrical current generating or modifying
177225, G01G 310
Patent
active
042841550
ABSTRACT:
The invention relates to a device for supporting the load or the load carrier of an electromechanical scale via at least three load transferring points, and for combining the partial loads of the points for superimposing their actions utilizing a central measuring body. The measuring body has an elongated shape and is at each end provided with rigidly connected transversally directed substantially parallel arms in two pairs of arms. Two of the arms, at each end of the measuring body, are each one provided with a supporting device operationally resting against a bed of the scale, and the two other arms, at each end of the measuring body, are each one provided with a supporting device carrying the load or the load carrier. The supporting devices include bars running parallel to the longitudinal axis of the measuring body, the bars forming load transferring points. The action of the load on the measuring body is of a torsional nature and is so dimensioned that it is electrically measurable. It is preferable that the four arms in the pairs of arms have equal effective lever length.
REFERENCES:
patent: 3938603 (1976-02-01), Shoberg
patent: 4023633 (1977-05-01), Swersey
Hartary Joseph W.
S.E.G. Resistor AB
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