Weighing scale

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G01G 3/14 (2006.01) G01G 19/44 (2006.01) G01G 21/23 (2006.01) G01G 21/28 (2006.01)

Patent

CA 2304597

A thin weighing machine (40) simple in structure, small in thickness, and high in long-term reliability, wherein a weight applied to a loading table (30) is applied distributedly to a plurality of pivots, the load is supported by the plurality of pivots, the load is applied concentratedly to a sensitive part (205) by a plurality of load transmission beams (230), and the strain or deformation of the sensitive part (205) is received as an electrical change for calculating a weight, and a one-sheet straining plate (20) having the sensitive part (205), the load transmission beams (230) in communication with the sensitive part (205), and a load supporting part (203) is provided with two vertical grooves (208) sandwiching the sensitive part (205) and one lateral groove (209) passing the sensitive part (205) so as to form an integral construction.

L'invention concerne un pèse-personnes (40) à profil mince possédant une structure simple, une faible épaisseur et une fiabilité à long terme élevée. Le poids appliqué à un plateau de pesage (30) se répartit entre plusieurs pivots qui accueillent ce poids. Le poids est appliqué de façon concentrée à une partie sensible (205) au moyen de plusieurs organes de transfert de poids (230), la contrainte de déformation de la partie sensible (205) étant reçue sous la forme d'une charge électrique permettant de calculer le poids. Le pèse-personnes comprend aussi une plaque de contrainte (20) munie d'une partie sensible (205), les organes de transfert de poids (230) communiquant avec la partie sensible (205) une partie de support de poids (203) pourvue de deux rainures verticales (208) qui encadrent la partie sensible (205) et d'une rainure latérale (209) qui traverse la partie sensible (205), le tout formant une structure intégrale.

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