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:
May. 14, 2019
Filed:
Aug. 31, 2017
Applicant:
Citic Dicastal Co., Ltd, Qinhuangdao, CN;
Inventors:
Jinling Yang, Qinhuangdao, CN;
Li Yang, Qinhuangdao, CN;
Yingfeng Wang, Qinhuangdao, CN;
Jiansheng Wang, Qinhuangdao, CN;
Bicheng Ding, Qinhuangdao, CN;
Yongwang Zhao, Qinhuangdao, CN;
Assignee:
CITIC DICASTAL CO., LTD, , CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 39/16 (2006.01); B23B 41/12 (2006.01);
U.S. Cl.
CPC ...
B23B 39/16 (2013.01); B23B 41/12 (2013.01); B23B 2270/16 (2013.01); B23B 2270/58 (2013.01);
Abstract
The present application discloses a four-directional drilling machine, comprising a main frame, a main machine platform, flange-type hydraulic cylinders, linear bearings, hydraulic piston rods, guide rods, nuts A, an upper pressure plate, drill bushings A, nuts B, monoblock drilling machines A, an upper supporting plate, positioning stop blocks, adjustable base assemblies, a left supporting plate, a drill bushing B, a right supporting plate and the like.