(19)
(11) EP 3 613 481 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
13.07.2022 Bulletin 2022/28

(43) Date of publication:
26.02.2020 Bulletin 2020/09

(21) Application number: 19798147.5

(22) Date of filing: 25.06.2019
(51) International Patent Classification (IPC): 
A63C 17/22(2006.01)
A63C 17/02(2006.01)
A63C 17/14(2006.01)
 A63C 17/01(2006.01)
A63C 17/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A63C 17/012; A63C 17/015; A63C 17/02; A63C 17/0046; A63C 2203/42; A63C 17/1418; A63C 2017/1463
(86) International application number:
PCT/CN2019/092652
(87) International publication number:
WO 2020/001414 (02.01.2020 Gazette 2020/01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 26.06.2018 CN 201810668845

(71) Applicants:
  • Chen, Yongmei
    Ningbo, Zhejiang 315400 (CN)
  • Chen, Yongping
    Ningbo, Zhejiang 315400 (CN)

(72) Inventors:
  • Chen, Yongmei
    Ningbo, Zhejiang 315400 (CN)
  • Chen, Yongping
    Ningbo, Zhejiang 315400 (CN)

(74) Representative: Inal, Aysegul Seda 
Yalciner Patent and Consulting Ltd. Tunus Cad. 85/3-4
06680 Kavaklidere, Ankara
06680 Kavaklidere, Ankara (TR)


(56) References cited: : 
   
       


    (54) MULTI-LINK SKATE BASE AND APPLICATION THEREOF


    (57) Provided is a Multi-link wheel base comprising a main body composed of a plurality of links connected in series and wheels provided on the main body, and the wheels are provided on the link assembly; the link assembly includes an intermediate link and an end link, wherein both sides of the intermediate link are provided with a rotational connection position, one side of the end link is provided with a rotational connection position, and the rotational connection positions on the adjacent link assemblies are rotationally connected by means of a connecting device. The present invention has the following beneficial effects: a multi-link wheel base that can be connected in series is provided; the links can be assembled in series as needed, the wheel bases of different lengths are assembled as needed, and the unique joint design between the link assemblies provides each link with a good degree of freedom of rotation in multiple directions. In the course of use, each wheel has good plasticity, good cushioning effect and high stability, in particular, can ensure the comfort of advancement on uneven road surface.