The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
May. 18, 2020
Crrc Qingdao Sifang Co., Ltd., Qingdao, CN;
Wei Zhao, Qingdao, CN;
Yuejun Zhang, Qingdao, CN;
Haitao Hu, Qingdao, CN;
Shaoshuai Liu, Qingdao, CN;
Shuliang Song, Qingdao, CN;
CRRC QINGDAO SIFANG CO., LTD., Qingdao, CN;
Abstract
Disclosed is a bogie framework of a rail vehicle and a bogie, wherein the bogie framework of the rail vehicle includes a first end beam (), a second end beam () and a box beam disposed between the first end beam () and the second end beam (). The box beam includes a primary gearbox () and a secondary gearbox (), and the primary gearbox () is used for connecting a traction motor and the secondary gearbox (). The secondary gearbox () is disposed between the primary gearbox () and the first end beam (), as well as between the primary gearbox () and the second end beam ().