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:
Apr. 07, 2020
Filed:
Apr. 12, 2019
Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd., Qingdao, CN;
Abstract
A threaded interface buffer with anti-rotation structure is provided, comprising a buffer housing (), a buffer capsule () and a drawbar (), wherein the drawbar () comprises a connection portion () connected to the buffer capsule (); the drawbar () is in threaded connection to the buffer capsule () through the connection portion (); and, a first level anti-rotation structure () for limiting the rotation of the drawbar () and the buffer capsule () is mounted thereon, and a second level anti-rotation structure () for limiting the rotation of the drawbar () and the buffer housing () is mounted therebetween, so that the versatility and adaptability of the buffer can be enhanced and the operational stability of the buffer is ensured.