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Title:
APPARATUS FOR REMOVING FOREIGN MATERIALS FROM SHOES, HAVING DOUBLE FILTER APPLIED THERETO
Document Type and Number:
WIPO Patent Application WO/2021/230437
Kind Code:
A1
Abstract:
The present invention relates to an apparatus for removing foreign materials from shoes, having a double filter applied thereto and, particularly, to an apparatus for removing foreign materials from shoes, having a double filter applied thereto, the apparatus comprising: a mat including a top plate that has a plurality of suction holes formed therein, and a bottom plate having a mat ball assembly that elastically moves vertically according to the pressure of a person in a state in which an upper part thereof is exposed, opens and closes the suction holes, and removes foreign materials, and a plurality of fastening grooves into which the mat ball assembly is inserted; and a dust collector for sucking foreign materials removed from the mat, wherein the mat ball assembly comprises: a mat ball in a semi-spherical shape convex upwards at an upper part thereof; a foreign material removing part protruding from the top of the mat ball and having an upper surface in a radial sawtooth shape; a spring receptaclehaving a cylindrical shape that is open at the top, and having a fastening protrusion formed at a lower part thereof so as to be press-fitted with the fastening groove; a spring provided in the spring receptacle to elastically move the mat ball; and a moving part under the mat ball, having a larger diameter than the suction hole, and a cylindrical shape that is open at the bottom, and formed to surround the spring receptacle and the spring, wherein the spring receptacle is coupled through a hook inside the moving part and slides vertically, the upper plate has a first sealing member coating part provided at a portion in contact with the mat ball, and the mat ball has a second sealing member coating part provided at a portion in contact with the upper plate.

Inventors:
JEONG SI SIG (KR)
Application Number:
PCT/KR2020/014405
Publication Date:
November 18, 2021
Filing Date:
October 21, 2020
Export Citation:
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Assignee:
MIRAE SB CO LTD (KR)
International Classes:
A47L23/26; A47L23/24; B01D46/00; B01D46/42; B01D46/44; F21V33/00
Attorney, Agent or Firm:
HA, Dong Yeop (KR)
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