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.

Date of Patent:
Feb. 27, 2018

Filed:

May. 25, 2016
Applicant:

Qingdao Sri Technology Co., Ltd., Qingdao, CN;

Inventors:

Kai Chen, Qingdao, CN;

Hui Liu, Qingdao, CN;

Hai Zhao, Qingdao, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61G 9/04 (2006.01); B61G 9/22 (2006.01);
U.S. Cl.
CPC ...
B61G 9/04 (2013.01); B61G 9/22 (2013.01);
Abstract

A vertical spring support device for a coupler, comprises a support platform, a bracket, a support rod, a support spring, a wear sleeve and a locknut; the support spring is sheathed on the support rod, and an upper end of the support spring is resisted against a lower surface of the support platform while a lower end of the support spring is resisted against an upper end face of the bracket; an upper end of the support rod is fixedly connected to the lower surface of the support platform, while a bottom end of the support rod passes through the bracket and is then in threaded connection to the locknut via the wear sleeve; the support platform comprises a vertical support platform plate and a horizontal support platform plate, and a lower surface of the horizontal support platform plate is fixedly connected to the upper end of the support rod; and, the vertical support platform plate is vertically fixed on one side of the horizontal support platform plate close to the buffer shell.


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