wiegevorrichtung with roberval mechanism

摘要

A weighing apparatus for measuring a weight of an article including a Roberval mechanisms; a first load converting unit including a load receiving portion operationally coupled with a load receiving portion of the Roberval mechanism and a plurality of levers connected in series, a second load converting unit formed by a second Roberval mechanism whose load receiving portion is operationally coupled with the last lever of said first load converting unit, and a load sensor unit including a load receiving portion operationally coupled with the load receiving portion of the second load converting section and a load sensor coupled with said load receiving portion of the load sensor unit, wherein the load applied to said load receiving portion of the Roberval mechanism is enlarged or reduced by the levers of the second load converting section and a thus enlarged or reduced load is applied to the load sensor.