Patent ID: 6453141
Filing Date: 2002-09-17
Classification: B41F,G03G

Abstract:
A liquid supply device comprising:a container, the top part of which is open, for accommodating liquid therein; and a carrier arranged in the container so that a part of said carrier is submerged in the liquid accommodated in said container, said carrier having a continuous surface around a rotational axis and conveying the liquid to the open top part of the container by rotating around the rotational axis, wherein a part of said carrier is located outside the opening of the container, and wherein the following conditions are satisfied: A/(B+C)<1 D/B<1 whereA is the area of the opening of the container, B is the area of the liquid surface other than the part thereof in which the carrier is submerged, C is the area of the carrier surface above the liquid surface, and D is the area of the opening of the container from which the area of the part thereof taken up by the carrier is subtracted.