Load sensing structure for weighing apparatus

Details Load sensing structure for weighing apparatus Load sensing structure for weighing apparatus

1988-10-20

1989-07-18

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177229, 7386265, G01G 314, G01G 308, G01L 122

Patent

active

048484938

ABSTRACT:
A load sensing structure for a weighing scale deck includes two or more low profile flexure members, each of which is shaped like the letter E with two outer legs secured to the deck and the inner leg to the platform. The latter has twice the bending strength and stiffness of the former. All legs have their ends connected cantilever fashion to either a common base or to one or the other of the deck and platform. Strain gases on one leg provide complementary inputs to a bridge circuit under weight loads but tend to cancel their effects on the bridge circuit under other load conditions.

REFERENCES:
patent: 4600066 (1986-07-01), Griffen et al.
patent: 4616723 (1986-10-01), Pietzsch et al.
patent: 4785896 (1988-11-01), Jacobson

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