Torsion load cell

Details Torsion load cell Torsion load cell

1984-11-09

1985-12-31

Goldberg, E. A.

Weighing scales

Self-positioning

Spring

177210C, 177210R, 177196, 177DIG9, G01G 300, G01G 124, G01G 314

Patent

active

045615110

ABSTRACT:
An electronic scale used for weighing an object or material. The scale includes a platform arranged to move upon receipt of a material thereon. The device further includes frame means, a variable capacitor having a first and a second plate, torsional spring means which is coupled both to the frame means and to the platform means such that movement of the platform means upon receipt of the material thereon causes the torsional means to twist about an axis without incurring non-torsional deformation. This results in one of the plates being displaced relative to the other of the plates to produce an electrical signal indicative of the weight of the material.

REFERENCES:
patent: 2641460 (1953-06-01), Larson
patent: 3249164 (1966-05-01), Seed
patent: 3773124 (1973-11-01), Bullivant
patent: 4158395 (1977-08-01), Brown
patent: 4273204 (1978-05-01), Gillen
patent: 4308929 (1980-03-01), Estavoyer
patent: 4381040 (1983-04-01), Brouwer
patent: 4463604 (1984-08-01), Kitagawa et al.

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