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. 29, 2025
Filed:
Jul. 08, 2022
Xcmg Foundation Construction Machinery Co., Ltd., Jiangsu, CN;
Zhonghai Zhang, Jiangsu, CN;
Ming Li, Jiangsu, CN;
Genying Li, Jiangsu, CN;
Ming Yang, Jiangsu, CN;
Xiang Wang, Jiangsu, CN;
Zhen Han, Jiangsu, CN;
Mengci Zhang, Jiangsu, CN;
Chengming Shan, Jiangsu, CN;
Xiaobo Niu, Jiangsu, CN;
Shuai Wang, Jiangsu, CN;
Wendeng Li, Jiangsu, CN;
Zuoshuai Sun, Jiangsu, CN;
XCMG FOUNDATION CONSTRUCTION MACHINERY CO., LTD., Jiangsu, CN;
Abstract
Disclosed are a wire-guided automatic pay-off device and method. The wire-guided automatic pay-off device is installed on a horizontal directional drilling rig and comprises a conductive ring assembly, a brush assembly, a winding device, a guide device and a guide wire. The conductive ring assembly fixed to a main shaft of a carriage assembly rotates together with the main shaft, the brush assembly fixed to a body of the carriage assembly does not rotate with the main shaft, and a conductive end of the brush assembly is in contact with the conductive ring assembly. The guide wire wound on the winding device has one end connected to the conductive ring assembly and the other end passing through the guide device, penetrating into a central hole in a drill pipe from a rear end of the drill pipe.