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:
Mar. 19, 2019

Filed:

Oct. 31, 2016
Applicant:

Jiangsu University of Science and Technology, Jiangsu, CN;

Inventors:

Wenxian Tang, Jiangsu, CN;

Jian Zhang, Jiangsu, CN;

Shijie Su, Jiangsu, CN;

Hua Li, Jiangsu, CN;

Yuan Li, Jiangsu, CN;

Yun Chen, Jiangsu, CN;

Shuyan Wang, Jiangsu, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 41/04 (2006.01); E21B 34/04 (2006.01); E21B 43/013 (2006.01); E21B 33/035 (2006.01); E21B 33/043 (2006.01); E21B 34/16 (2006.01);
U.S. Cl.
CPC ...
E21B 34/04 (2013.01); E21B 33/0355 (2013.01); E21B 33/043 (2013.01); E21B 34/16 (2013.01); E21B 41/04 (2013.01); E21B 43/013 (2013.01);
Abstract

A moving-rotating linear covering tool, comprising a port, a primary oil cylinder, a piston rod, a rear end cover, a base sleeved on the right end of the primary oil cylinder, and a handle fixedly connected onto the outer cylinder of the base. The port is fixedly connected to the left end of the primary oil cylinder, the center thereof being provided with a circular hole that clearance-fits the piston rod arranged in the primary oil cylinder. A circular flange of the rear end cover is fixedly connected onto the right end face of the primary oil cylinder. The base is connected to a guide supporting sheath sleeved, in a clearance-fitted way, on the outer cylinder of the primary oil cylinder. A bearing seat is provided on the right end wall of the base Two screw holes are symmetrically provided at the right end face of the rear end cover.


Find Patent Forward Citations

Loading…