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:
Jul. 31, 2018

Filed:

Dec. 28, 2015
Applicant:

Lianhong Art Co., Ltd., Taoyuan, TW;

Inventors:

Chia-Hui Chen, Taoyuan, TW;

Tzu-Yu Lin, Taoyuan, TW;

Yen-Ting Chen, Taoyuang, TW;

Assignee:

LIANHONG ART CO., LTD., Taoyuan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05D 3/06 (2006.01); E05D 3/14 (2006.01); E05D 11/08 (2006.01);
U.S. Cl.
CPC ...
E05D 3/14 (2013.01); E05D 11/082 (2013.01);
Abstract

A synchronous hinge device includes a first base having a first connecting portion and a first assembling portion. The first connecting portion has a first central groove, a first outer groove, a first through hole and a second through hole. A second base has a second connecting portion and a second assembling portion. The second connecting portion has a second central groove, a second outer groove, a third through hole and a fourth through hole. First, second, third, and forth shafts extending through the first, the second, the third, and the fourth through holes, respectively. A first torque element disposed between the first shaft and the third shaft; and a second torque element disposed between second shaft and the fourth shaft, wherein the first torque element has axle sleeves limiting the first distance, and the second torque element has axle sleeves limiting the second distance.


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