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. 02, 2021
Filed:
Dec. 13, 2018
Seo Won Korea Co., Ltd., Gimhae-si, KR;
Juneyoung Lee, Gimhae-si, KR;
SEO WON KOREA CO., LTD., Gimhae-si, KR;
Abstract
The present invention related to a door hinge for opening a door, which includes a cam fitted to the housing and hinged to the door, a roller that is in contact with an outer curved portion of the cam and is pushed backward according to the eccentric rotation of the cam, a damper case coupled with the roller and a pin and moving linearly backward according to the pushing pressure of the roller, a chamber formed at the end of the damper case, a guide tube extending to the end of the damper case in which the chamber is formed recessedly, a damper cover fixed the housing with a fastening pin and accommodating space is formed therein to accommodate the guide tube, a damper installed in the accommodating space of the damper cover, and a rod configured to exert a compressive force of the damper.