Patent ID: 8881555
Filing Date: 2014-11-11
Classification: A47L,D06F

Abstract:
1. A drain device, comprising: a drain case including a filter chamber provided with a filter member installed therein filtering out foreign substances from washing water; and a pump chamber connected to the filter chamber to forcibly discharge the washing water, wherein the filter member has a first section forming a main body and a second section forming an extension portion and the extension portion is provided with an end terminal separated from an inlet of the pump chamber by a designated distance, an inlet pipe is connected to one side of the drain case, the inlet pipe being disposed at a position facing the first section forming the main body of the filter member so that the inlet pipe does not face the second section forming the extension portion, the extension portion of the filter member extends by a designated distance toward the pump chamber from the main body in a direction perpendicular to an axial direction of the inlet pipe, has a thickness which is decreased toward the end terminal, and has a sectional area gradually increased toward the pump chamber, whereby the washing water, which inflows toward the main body of the filter member through the inlet pipe, flows along the extended and expanded extension portion of the filter member in the filter case and then drains, the filter member is hollow, and the main body is provided with at least one through hole.