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. 27, 2018

Filed:

Nov. 30, 2015
Applicant:

China University of Mining and Technology, Xuzhou, Jiangsu, CN;

Inventors:

Bingwen Li, Jiangsu, CN;

Jianyun Hong, Jiangsu, CN;

Jun Liu, Jiangsu, CN;

Jiyun Zhao, Jiangsu, CN;

Shiqi Chen, Jiangsu, CN;

Liang Zhao, Jiangsu, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 23/04 (2006.01); E21D 23/00 (2006.01);
U.S. Cl.
CPC ...
E21D 23/04 (2013.01); E21D 23/006 (2013.01); E21D 23/0008 (2013.01);
Abstract

A float-swing hydraulic support, including a top beam, shield beam, elevating frame, base, adjusting jack, two float hydraulic columns, base raising unit, advancing unit, face guard unit, telescopic beam unit, hydraulic control valve block, and a valve block support. The columns are between the top beam and base, with upper ends ball-hinged to the top beam and lower ends ball-hinged to the base; the telescopic beam unit is in the front end of the top beam, and the face guard unit is hinged to the beam unit; the upper end of the shield beam is hinged to the top beam, the lower end is hinged to the upper end of the frame; the upper end of the jack is hinged to the shield beam, the lower end hinged to the base; the ends of the advancing unit are hinged to a scraper conveyor and the base, respectively.


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