Patent ID: 8740489

Claim:
A liquid applicator comprising: a main body including a main body shaft portion including a side opening and a flexible portion provided on a circumference of a part of the main body shaft portion, a piece of the flexible portion covering the side opening; a tank for containing a liquid therein; a tip end applicator body arranged in front of the main body and capable of applying the liquid on an object to be applied; and a sliding cylinder attached to a rear of the main body so as to be slidable with respect to the main body; the tank comprising a first tank portion and a second tank portion which communicate with each other; the first tank portion being defined by i) a portion of an interior of the main body that extends forward from a tip end of the sliding cylinder attached to the rear of the main body, and ii) the piece of the flexible portion covering the side opening; the second tank portion being defined in an entire interior of the sliding cylinder; the piece of the flexible portion covering the side opening of the first tank portion adapted to be pushed toward a center of the first tank portion to constrict the first tank portion and thereby cause the liquid to be moved toward the tip end applicator body; and the sliding cylinder being adapted to be capable of being pushed into or pulled out of the main body, so that when the sliding cylinder is pushed into the main body, a volume of the second tank portion remains unchanged and a volume of the first tank portion can be reduced and, when the sliding cylinder is pulled out of the main body, the volume of the second tank portion remains unchanged and the volume of the first tank portion can be increased.