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Patent
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G01L 7/08 (2006.01) G01L 1/14 (2006.01) G01L 9/14 (2006.01)
Patent
CA 1301471
Abstract: A force measuring device comprising: a rigid base plate; a first diaphragm symmetrical about a central normal axis and being arranged in spaced parallel relationship to said base plate; an elastic connection between said base plate and a peripheral rim of said first diaphragm, hermetically closing a cavity between said base plate and said first diaphragm; a first projection formed for force introduction to said de- vice on an outer surface of said first diaphragm and extending along said central normal axis; a second projection extending from an inner surface along said central normal axis toward said base plate; and a displacement sensor arranged in said cavity between said base plate and said second projection for sensing any displacement therebetween upon force appli- cation onto said device, and generating an electrical signal indicative of the force applied.
543722
Hafner Hans W.
Pascal & Associates
Pfister Gmbh
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