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Longitudinal isolation system for flexurally vibrating force transducers

  • US 4,321,500 A
  • Filed: 12/17/1979
  • Issued: 03/23/1982
  • Est. Priority Date: 12/17/1979
  • Status: Expired due to Term
First Claim
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1. In a vibrating beam force transducer having an elongated, resilient beam, drive means for causing said beam to vibrate at a resonant frequency which is a function of the longitudinal force applied to said beam, a pair of mounting pads and mounting means for connecting the ends of said beam to respective mounting pads such that forces applied to said mounting pads toward and away from each other apply longitudinal forces to said beam to vary the resonant frequency of said beam, the improvement comprising longitudinal isolation means associated with said mounting means for facilitating movement of the ends of said beam toward and away from each other responsive to vibration of said beam thereby isolating said mounting pads from longitudinal movement of the ends of said beam while allowing forces applied between said mounting pads to be transmitted to said beam.

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