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Patent Searching and Data


Title:
TROLLEY
Document Type and Number:
WIPO Patent Application WO/2020/034915
Kind Code:
A1
Abstract:
A trolley (100), comprising a trolley frame, a front wheel assembly (9), and a rear wheel assembly (10). The trolley frame comprises: a frame front rod (1); a frame rear rod (2); a push rod (3); a first extension rod (4); a support rod (5), wherein the front end of the support rod (5) is rotatably connected to an upper rear rod (21), and the rear end is rotatably connected to an upper push rod (31); a first linkage mechanism (7) provided between the front end of the support rod (5) and a lower rear rod (22); a transmission rod (6), wherein one end of the transmission rod (6) is rotatably connected to a lower push rod (32); and a second linkage mechanism (8), wherein the front end of the second linkage mechanism (8) is rotatably connected to the frame front rod (1), and the rear end is rotatably connected to the other end of the transmission rod (6) and the upper rear rod (21), respectively.

Inventors:
ZHU HUABING (CN)
WU FANXIANG (CN)
Application Number:
CN2019/100167
Publication Date:
February 20, 2020
Filing Date:
August 12, 2019
Export Citation:
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Assignee:
DONGGUAN JINWANG CHILDREN PRODUCTS CO LTD (CN)
International Classes:
B62B7/06; B62B7/08
Foreign References:
CN208813289U2019-05-03
CN207106584U2018-03-16
US7789402B22010-09-07
CN107985377A2018-05-04
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