Title:
MULTISTAGE LOAD-ADJUSTABLE MOVING CART
Document Type and Number:
WIPO Patent Application WO/2022/080584
Kind Code:
A1
Abstract:
The present invention provides a multistage load-adjustable moving cart. A multistage load-adjustable moving cart of the present invention comprises: a base frame having a plurality of wheels in rolling contact with the ground; a vertical frame vertically installed on one side of the base frame; an inclination angle adjustment unit installed on one side of the vertical frame to receive operating power so as to generate working pressure to selectively extend a rod; a variably inclined rail which is supported by the vertical frame to be rotatable around the hinge point at which an upper end thereof is hinge-coupled thereto and in which a lower end is connected to the inclination angle adjustment unit to have a rotation displacement of a lever type with respect to the hinge point according to an extended distance of a rod; an elevating body including a first roller and a second roller which are in rolling contact with a polygonal fixed rail vertically installed on one side of the inside of the vertical frame; and an elevating unit including a load spring which is fixed to an inclined roller having one end fixed to one side of the elevating body and the other end being in rolling contact along the variably inclined rail to apply elastic force and is disposed on an upper side with respect to the hinge point.
More Like This:
| JPS585665 | [Title of the device] A part loading device of a cart |
| JP3032698 | DOLLY WITH POWER ASSIST |
| WO/2021/084318 | SYSTEM FOR HANDLING CONTAINER WALLS |
Inventors:
GO BYEONG KI (KR)
Application Number:
PCT/KR2020/017924
Publication Date:
April 21, 2022
Filing Date:
December 09, 2020
Export Citation:
Assignee:
OKO CO LTD (KR)
International Classes:
B62B5/00; B62B3/06; B66F9/22; B66F17/00; G08B3/10; G08B5/22
Foreign References:
| KR20170035171A | 2017-03-30 | |||
| JP2020033165A | 2020-03-05 | |||
| KR20090104324A | 2009-10-06 | |||
| CN107031629A | 2017-08-11 | |||
| US5938710A | 1999-08-17 |
Attorney, Agent or Firm:
G1 IP LAW FIRM (KR)
Download PDF: