Projection scale with price indicator
AssigneeBizerba-Werke Wilhelm Kraut GmbH & Co. KG
InventorJosef Schwarz
Life of this patent
Estimating the term…
Abstract
A price-indicating projection weighing scale provided with a plurality of projectable graduation scales on a support member having several price scales each corresponding to a certain base price, the support member being movable in dependence of weight, and an optical projection system comprising an objective which is movable and indexable opposite a graduation scale in dependence of the pre-selected base price for projection of a section of the price graduation indicia on a focusing screen. The objective is affixed to a movable support which is movable and positionable via an adjustment unit, operated from the outside, which is set in accordance with a selected base price of the merchandise to be weighed.
Claims15
In a price indicating projection weighing scale for weighing merchandise and comprising a housing, a plurality of price scales each relating to a given base price mounted on a support member movable relative to said housing as a function of weight and an optical projection system with an objective movable and indexable relative to an appropriate price scale corresponding to a given base price for projection of a portion of the price graduation, the improvement comprising movable support means for said objective, control means for indexing said support means in accordance with the base price of the merchandise to be weighed, and transmission means between said control means and said support means, said transmission means having an adjustable transmission ratio.
Dependencies are inferred from the claim text.