SPRING SCALE

SPRING SCALE

A spring scale, in particular for weighing loads in the mug-mg range, comprises a load platform suspended by at least three flexural springs in a surrounding frame, and has bridge-connected strain gauges arranged for measuring strain on one side of the flexural springs. The flexural springs extend i...

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Hauptverfasser: RALPH, W. BERNSTEIN, EIVIND LUND, DAG, T. WANG, GEIR, URI JENSEN
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
PHYSICS
TESTING
WEIGHING
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creator RALPH, W. BERNSTEIN
EIVIND LUND
DAG, T. WANG
GEIR, URI JENSEN
description A spring scale, in particular for weighing loads in the mug-mg range, comprises a load platform suspended by at least three flexural springs in a surrounding frame, and has bridge-connected strain gauges arranged for measuring strain on one side of the flexural springs. The flexural springs extend in succession along substantially the whole periphery of the load platform in a gap between the load platform and the inner edge of the frame, and an attachment spot on the load platform for every flexural spring is arranged substantially directly opposite or past an attachment spot on the inner edge of the frame for a next flexural spring in the succession of springs. Preferably, the spring scale is made in one piece, and manufactured by means of semiconductor process technology.
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subjects MEASURING
PHYSICS
TESTING
WEIGHING
title SPRING SCALE
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