Blade contraction device in weighing apparatus, which is essentially constituted by a transverse housing provided in one of the organs to be connected, of circular section opened by an edge of said organ, in which a transverse piece is mounted, one of whose edges extend on the supporting edge against the bearing of the other member protruding from the open face of the housing, while the opposite edge has a circular section corresponding to it, opening both sides of the housing described, each cylindrical cavities, cut by planes secants, and convergent in the direction of exit from the edge, whose cavities are closed by two lateral flat sides of the crosspiece, being housed in said cavities, respective wedges, of decreasing circular section cut by a plane, secant oriented in the opposite direction, that are applied against the flanks of the blade. (Machine-translation by Google Translate, not legally binding)
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