Patent ID: 6925659
Filing Date: 2005-08-09
Classification: A47L,B05B,E03D

Abstract:
1. A liquid jetting device including a chamber for receiving liquid, and for jetting the supplied liquid from a liquid jetting spout, the liquid jetting device comprises; a nozzle built in the chamber, the nozzle having the liquid jetting spout at the a nozzle tip side, and having a nozzle inner conduit for guiding the liquid supplied by the chamber to the liquid jetting spout; a condensed diameter member formed on the nozzle that is rotatably inserted into an opening formed on the chamber and in a state where the a position change of the nozzle toward the axial core direction of the nozzle is allowed and wherein said condensed diameter member protrudes outside from said opening; and a guide extending from said chamber, the guide contacting and guiding the nozzle so as to make the nozzle revolve around the central axis in a posture inclined against the central axis of the opening; wherein when the liquid is supplied to the chamber, the nozzle changes its position toward the outer side of the nozzle tip by the force of liquid pressure, an end face of the nozzle portion having a larger diameter than the condensed diameter member contacts the chamber ceiling wall of the opening side, and the nozzle rotates around the axial core by the force of liquid pressure in such contact state and jets the liquid from the liquid jetting spout while revolving around the central axis in a posture inclined against the central axis; and in a state where the nozzle changed its position toward the outer side of the nozzle tip by the force of liquid pressure, the condensed diameter member and the opening are formed such that the liquid leaking through a gap, which is formed around the opening between the condensed diameter member and the opening, from within the chamber to the outside of the opening, wherein said gap is designed to allow said leaking liquid to provide a lubricant to reduce rotational resistance and thereby prevents the interference with the liquid jetted from the liquid jetting spout.