Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1977-08-04
1978-11-14
Miller, Jr., George H.
Weighing scales
Self-positioning
Electrical current generating or modifying
73141A, G01G 314, G01L 512
Patent
active
041251687
ABSTRACT:
The scale includes a horizontal load plate and base plate supported in spaced parallel relationship by first and second generally rectangular members lying in vertical spaced planes extending between the load plate and base plate. Opposite end portions of each rectangular member are symmetrical about a vertical axis passing midway therethrough, these opposite end portions defining corner flexure supports connected between the vertically opposed corner portions of the load plate and base plate.
A load element in each of the corner flexure supporting means will flex under load and has strain gauges attached thereto to provide electrical read-out signals constituting a function of a force applied to the load plate. The design of each of the corner flexure supporting means is such that the strain gauges are isolated from extraneous strains resulting from off-center application of a force on the load plate.
REFERENCES:
patent: 3213953 (1965-10-01), Flinth
patent: 3577779 (1971-05-01), Laimins
patent: 3994161 (1976-11-01), Trozera
patent: 4009608 (1977-03-01), Ormond
patent: 4020686 (1977-05-01), Brendel
patent: 4065962 (1978-01-01), Shoberg
Miller Jr. George H.
Pastoriza Ralph B.
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