Weighing scales – Self-positioning – Spring
Patent
1991-07-02
1993-03-09
Fuller, Benjamin R.
Weighing scales
Self-positioning
Spring
177210C, G01G 308
Patent
active
051919494
ABSTRACT:
A spring formed as a Roberval-based frame of conventional material is combined with a smaller sensor in the form of a deflectable load cell of material such as a ceramic. The combination associates the higher load capacity spring with the sensor capable of performing in a manner substantially free of system error. A method for configuring the assembly for optimal system error rejection is described wherein a transmission beam carrying out a load sharing function exhibits a stress selectively greater than the average stress exhibited by the spring.
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Gaines Ronald J.
Mills Nigel G.
Fuller Benjamin R.
Gibson Randy W.
Mettler-Toledo, Inc.
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