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.:

US 10392220 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 27, 2019

Filed:

Sep. 25, 2017
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Display Technology Co., Ltd., Beijing, CN;

Inventors:

Xingkai Zhang, Beijing, CN;

Lianzhu Shao, Beijing, CN;

Lei Cheng, Beijing, CN;

Yaolong Wang, Beijing, CN;

Meng Wang, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65H 75/18 (2006.01); B65H 75/10 (2006.01); B65H 49/36 (2006.01); B65H 75/30 (2006.01);
U.S. Cl.
CPC ...
B65H 75/10 (2013.01); B65H 49/36 (2013.01); B65H 75/185 (2013.01); B65H 75/30 (2013.01);
Abstract

The disclosure provides a material pipe and feeding system. The material pipe comprises: a rotation shaft that is provided with an outer thread on an outer peripheral surface; a housing that is covered around an exterior of the rotation shaft and that is provided with an inner thread and a recess spaced from the inner thread on an inner peripheral surface; a fixing member having an axially extending through hole, the fixing member being provided with an outer thread on an outer peripheral surface thereof matching the inner thread of the housing, and the through hole being provided with an inner thread on a hole wall thereof matching the outer thread of the rotation shaft; and a positioning assembly comprising an engaging member detachably disposed in the recess at one end and fixed to the fixing member at the other end.


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