Weighing system for a capsule filling machine

A weighing system associable with a filling machine for filling capsules with at least one product, each capsule being formed by a body and a cap, comprising a weighing unit provided with at least one weighing cell and a gripping element that is connected to said weighing cell by means of a loading stem and is provided at one end with a housing arranged for receiving and/or retaining a capsule or a body to be weighed, wherein the weighing system comprises at least one connecting element rigidly fixed to said loading stem and slidably and elastically supporting said gripping element by interposition of an elastic element, said gripping element being movable linearly between a measuring position, wherein said gripping element is completely supported by said loading stem and spaced from an abutment wall of said weighing unit by means of said elastic element so as not to abut said abutment wall to allow weighing a capsule or a body, and an end-stroke position, reached with a movement of said gripping element with respect to said connecting element in contrast to a thrust of said elastic element, wherein said gripping element abuts said abutment wall.