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Patent Searching and Data


Title:
FOLDABLE FOUR-WHEELED HANDCART
Document Type and Number:
WIPO Patent Application WO/2020/204517
Kind Code:
A1
Abstract:
A foldable four-wheel handcart according to an embodiment of the present invention comprises: a main body; and a loading plate on which articles are loaded, wherein the loading plate has one or more loading plate wheel parts on a lower portion thereof, and is connected to the main body through a hinge part and can be rotated and folded via the hinge part in the direction of the main body. The loading plate wheel parts are connected to wheel rods which are rotated, in a direction perpendicular to the rotation direction of the hinge part, by the rotation of the hinge part, are configured to rotate and fold to the bottom surface of the loading plate as the wheel rods rotate when the loading plate rotates and folds in the direction of the main body, and are configured to rotate and unfold in the vertical direction of the loading plate as the wheel rods rotate in the opposite direction when the loading plate rotates and unfolds in the vertical direction of the main body.

Inventors:
SONG JAE HO (KR)
SONG WON SEOK (KR)
SONG BO KYOUNG (KR)
Application Number:
PCT/KR2020/004303
Publication Date:
October 08, 2020
Filing Date:
March 30, 2020
Export Citation:
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Assignee:
SONG JAE HO (KR)
SONG WON SEOK (KR)
SONG BO KYOUNG (KR)
International Classes:
B62B3/02; B62B5/06
Foreign References:
KR20010110844A2001-12-15
KR20090109526A2009-10-20
KR20170034710A2017-03-29
JP2002037081A2002-02-06
KR101991208B12019-06-20
KR102027733B12019-10-01
KR19990033105U1999-08-05
KR101787239B12017-10-18
Other References:
See also references of EP 3950464A4
Attorney, Agent or Firm:
NOH, Jang Oh (KR)
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