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Weighing scale with a load cell

  • US 4,577,709 A
  • Filed: 12/22/1983
  • Issued: 03/25/1986
  • Est. Priority Date: 12/24/1982
  • Status: Expired due to Term
First Claim
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1. A weighing scale in which a load cell is used to detect a weight value to be measured, said weighing scale comprising:

  • two parallel cantilevers with the free ends connected to each other through a connecting means, which provides a loading portion;

    four strain gauges as strain detecting means, every two of which are stuck separately on two predetermined strain-detecting portions in the longitudinal direction of each of said two parallel cantilevers; and

    a weighing tray connected to said loading portion,said two parallel cantilevers, said connecting means and said four strain gauges constituting a load cell having four strain detecting means; and

    the outputs from said four strain gauges giving the weight value of a weight placed on said weighing tray.

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