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:
Nov. 02, 2021

Filed:

Dec. 10, 2019
Applicant:

Seo Won Korea Co., Ltd., Gimhae-si, KR;

Inventor:

June Young Lee, Busan, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F 3/20 (2006.01); E05D 3/16 (2006.01);
U.S. Cl.
CPC ...
E05F 3/20 (2013.01); E05D 3/16 (2013.01); E05Y 2201/41 (2013.01); E05Y 2900/20 (2013.01); E05Y 2900/30 (2013.01);
Abstract

A multi-link door hinge capable of facilitating the closing of a door and implementing the shock-absorbing performance of the door during the closing thereof. To this end, the multi-link door hinge includes: a main frame mounted to a main body of an object having a door; a door frame mounted to the door; a body frame rotatably connected to a first side of the main frame; an inner link and an outer link connecting the door frame to the body frame; a plate spring link allowing the outer link to be rotatably connected to the main frame; a locking piece rotatably mounted between side walls of the inner link; an elastic member; and a hook, a first side of which is fixed in the body frame and a second side of which is configured to be held in a second side of the locking piece.


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