Weighing element for a weighing apparatus
First Claim
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1. A weighing element for a weighing apparatus, said element comprising a frame;
- a bending element having one end and a top and bottom surface and strain-gauge transducers mounted thereon, said bending element having its top surface secured to said frame at said one end, said bending element having a free end; and
a resilient force-transmitting arm with a first end secured to the bottom surface of said free end of said bending element, said bending element being made of a ceramic material and being supported on its bottom surface by said frame at a distance from said one end, the top surface of said bending element supporting said force-transmitting arm at a distance from said free end of said bending element; and
pin means on said force-transmitting means through which forces are applied to said force transmitting arm, said pin means being located relative to the location of said supports for said bending element and said force-transmitting arm and said supports being located on the top and bottom of said bending element such that forces applied to said pin causes forces to be applied to said bending element at said supports which are opposite to the forces applied to said bending elements at its ends.
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Abstract
The invention relates to a weighing element for a weighing apparatus, comprising a plate-shaped bending element provided with strain-gauge transducers, one end of the bending element being secured to a frame of the weighing element and the free other end being secured to a resilient force-transmitting arm. In order to increase the accuracy of the weighing element it is proposed to make the bending element of a ceramic material and to support the bending element at a distance from each of said ends by the frame and by the arm, respectively.
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Citations
6 Claims
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1. A weighing element for a weighing apparatus, said element comprising a frame;
- a bending element having one end and a top and bottom surface and strain-gauge transducers mounted thereon, said bending element having its top surface secured to said frame at said one end, said bending element having a free end; and
a resilient force-transmitting arm with a first end secured to the bottom surface of said free end of said bending element, said bending element being made of a ceramic material and being supported on its bottom surface by said frame at a distance from said one end, the top surface of said bending element supporting said force-transmitting arm at a distance from said free end of said bending element; and
pin means on said force-transmitting means through which forces are applied to said force transmitting arm, said pin means being located relative to the location of said supports for said bending element and said force-transmitting arm and said supports being located on the top and bottom of said bending element such that forces applied to said pin causes forces to be applied to said bending element at said supports which are opposite to the forces applied to said bending elements at its ends. - View Dependent Claims (2, 3, 4, 5, 6)
- a bending element having one end and a top and bottom surface and strain-gauge transducers mounted thereon, said bending element having its top surface secured to said frame at said one end, said bending element having a free end; and
Specification