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:
Jul. 06, 2021
Filed:
Jul. 21, 2017
Crrc Yangtze Co., Ltd., Wuhan, CN;
Liangcai Lin, Wuhan, CN;
Biaowen Xiang, Wuhan, CN;
Chuqiang Tang, Wuhan, CN;
Hong Cui, Wuhan, CN;
Yueming Hu, Wuhan, CN;
Song Wang, Wuhan, CN;
Xuebin Zhu, Wuhan, CN;
Rui Yan, Wuhan, CN;
Chuanping Zheng, Wuhan, CN;
Qi Wei, Wuhan, CN;
CRRC Yangtze Co., Ltd., Wuhan, CN;
Abstract
Disclosed is a railway hopper car comprising a car body (), a top cover (), a bogie (), a braking device (), a coupler buffer device (), and a bottom door () and a bottom door opening and closing mechanism () mounted at a discharge port at the bottom of a chassis. The railway hopper car further comprises a longitudinal saddle () disposed in the center of the car body () in the length direction thereof and arranged along the longitudinal direction of the car body (). By providing the longitudinal saddle (), the sequential requirement to close the left bottom door () and the right bottom door () is eliminated, thereby simplifying the structure of the linkage bottom door opening and closing mechanism and reducing manufacture and maintenance costs thereof.