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:
Jul. 27, 2021

Filed:

Jan. 09, 2019
Applicant:

Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd., Qingdao, CN;

Inventors:

Quan Liu, Qingdao, CN;

Jintao Du, Qingdao, CN;

Minggang Li, Qingdao, CN;

Jibo Liu, Qingdao, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61G 7/00 (2006.01); B61G 3/20 (2006.01); B61G 7/02 (2006.01);
U.S. Cl.
CPC ...
B61G 7/00 (2013.01); B61G 3/20 (2013.01); B61G 7/02 (2013.01);
Abstract

An automatic uncoupling mechanism for couplers comprises a coupler knuckle spindle and a driving unit comprising a cylinder body hinged to a coupler body and a telescopic member; and further comprises a first rotating member, a boss and a boss stopper, wherein the first rotating member comprises a crank hinged to the telescopic member and a rotating part being sheathed on the coupler knuckle spindle. The driving unit unidirectionally drives the telescopic member so that the rotating part drives the coupler knuckle spindle to unidirectionally rotate by the contact of the boss with the boss stopper, realizing coupler uncoupling; and, after the driving unit drives the telescopic member to return to its position, the rotation of the coupler knuckle spindle for achieving coupler coupling is not limited by the rotating part. The present application may reduce the lateral force of the coupler knuckle to the driving unit during the uncoupling process of the coupler, and may cause the spring to drive the coupler knuckle to rotate rapidly and lock the coupler during the coupler coupling process.


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