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:
Nov. 08, 2016
Filed:
Jun. 13, 2011
Manchao He, Beijing, CN;
Zhibiao Guo, Beijing, CN;
Jiong Wang, Beijing, CN;
Jun Yang, Beijing, CN;
Xiaoming Sun, Beijing, CN;
Manchao He, Beijing, CN;
Zhibiao Guo, Beijing, CN;
Jiong Wang, Beijing, CN;
Jun Yang, Beijing, CN;
Xiaoming Sun, Beijing, CN;
China University of Mining & Technology (Beijing), Beijing, CN;
Abstract
A tension meter of an anchor rod with constant resistance and large deformation comprises a pull rod and a hollow jack. The meter further includes: a rotation device for controlling the rotation angle of the hollow jack; a lifter for adjusting the height of the hollow jack and the rotation device; a first hydraulic pump for driving the hollow jack, wherein the hollow jack is fixed on the rotation device mounted on the lifter. The meter has a large measurement range and a high load capacity.