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:
Oct. 20, 2026
Filed:
Jan. 05, 2022
Crrc Qingdao Sifang Co., Ltd., Qingdao, CN;
Xiaohui Han, Qingdao, CN;
Shuaizhen Li, Qingdao, CN;
Zhiyi Zhang, Qingdao, CN;
Peng Wang, Qingdao, CN;
Zhendong Mao, Qingdao, CN;
Guolong MA, Qingdao, CN;
CRRC QINGDAO SIFANG CO., LTD., Qingdao, CN;
Abstract
A welding apparatus comprising a first fixing plate and a second fixing plate arranged at an interval; a gas-electric slip ring is connected to the side of the first fixing plate facing the second fixing plate; a hollow shaft drive unit is connected to the side of the second fixing plate facing the first fixing plate; a conductive link is connected to the hollow shaft drive unit and passes through the second fixing plate; a curved conductive nozzle is connected to the conductive link on the outer side of the second fixing plate; and a plurality of support rods are uniformly distributed around the rotational axial direction of the hollow shaft drive unit, and are respectively connected to the first fixing plate and the second fixing plate; the hollow shaft drive unit drives the conductive link to rotate, and the conductive link drives the curved conductive nozzle to oscillate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile