Patent ID: 6857439
Filing Date: 2005-02-22
Classification: A47L,G01F

Abstract:
1. Dispenser of washing agents for a household washing machine, in particular a dishwasher; said dispenser comprising a tank for containing a liquid washing agent whereto a visual control device is associated, of the level of said liquid washing agent, said control device comprising a passage, extending between said tank and an external part of the body of the dispenser, and an element in a substantially transparent material being inserted in said passage, wherein: a first portion of said transparent element is at least partially visible from the outside of said body and a second portion of said transparent element results in being inserted in said tank, at the free end of said second portion a plurality of projections is defined, being arranged at different levels of height, and on at least a zone of the visible surface of said first portion some steps can be recognized, of a scale indicating the level of said liquid washing agent in said tank, each of said steps corresponds to one of said projections and can assume at least two different shades of color, depending on the fact that the respective projection is dipped or not in said liquid washing agent, in order to provide a relevant visual indication of level on said scale, wherein at least said first portion of said transparent element has a longitudinal section having one dimension much longer than the other one in order to allow for an easier and more precise comprehensibility of the information supplied by said device for the visual control of the level of said liquid; said longitudinal section of said first portion having a perimeter of a regular development, in order to allow a good coupling with sealing means between said transparent element and said passage of said dispenser.