CHASSIS, VEHICLE BODY, AND RAIL VEHICLE

WIPO Patent Application WO/2023/097829

A1

A chassis (24), comprising: a two-position end chassis comprising a chassis traction beam (241), the chassis traction beam (241) being a single member integrally formed of a whole piece of material; and a middle chassis (244) connected to the two-position end chassis by means of the chassis traction beam (241). The chassis traction beam (241) is integrally formed and manufactured by using a whole piece of base material, original four components are combined into one member, and a welding seam in a high-stress area is eliminated, such that a welding seam at a variable cross section of the chassis traction beam (241) changes into a base material, the welding workload can be reduced, a special welding tool is no longer needed, and the allowable stress is improved.

JPS6145278	[Title of the device] The beam in an air duct combination mold plate frame
JP2019182307	BODY STRUCTURE OF RAILWAY VEHICLE AND RAILWAY VEHICLE

ZHANG SHUOSHAO (CN)
ZHANG JINHUA (CN)
LIU JUANJUAN (CN)
HAO ZHENJIE (CN)
HOU JIANYING (CN)
YANG GUODONG (CN)
SHI LEI (CN)
YANG YUXI (CN)
WU SHENGQUAN (CN)
ZHANG LEI (CN)

PCT/CN2021/141192

June 08, 2023

December 24, 2021

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CRRC TANGSHAN CO LTD (CN)

B61F1/00; B61F1/08

CN114194232A	2022-03-18
CN114194233A	2022-03-18
CN114162164A	2022-03-11
CN114179843A	2022-03-15
CN114179844A	2022-03-15
CN114194227A	2022-03-18
CN114194241A	2022-03-18
CN202463814U	2012-10-03
CN201825052U	2011-05-11
CN112550485A	2021-03-26
CN102069817A	2011-05-25
CN111361590A	2020-07-03
CN107856688A	2018-03-30
US20130263757A1	2013-10-10

IPFUTURE INTELLECTUAL PROPERTY LAW OFFICE (CN)

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