Title:
DOOR HINGE
Document Type and Number:
WIPO Patent Application WO/2023/042984
Kind Code:
A1
Abstract:
The present invention relates to a door hinge comprising: an arm installed in a body of a device provided with a door; a housing installed in the door and connected to the arm through a hinge shaft to rotate; a link connected to the arm through a link shaft inside the housing to linearly move; a main spring member including a spring lever and a main spring fitted into the spring lever; and a damper provided inside the link and moving along the outer periphery of the arm, wherein when the door is open, compression of the damper starts, and when the door is closed, compression of the damper starts as soon as the other side of the damper comes into contact with the outside of the arm, so that the door is slowly opened or closed.
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Inventors:
LEE JUNE YOUNG (KR)
KIM SANG BAEK (KR)
KIM KYOUNG ROK (KR)
KIM SANG BAEK (KR)
KIM KYOUNG ROK (KR)
Application Number:
PCT/KR2022/004875
Publication Date:
March 23, 2023
Filing Date:
April 05, 2022
Export Citation:
Assignee:
SEO WON KOREA CO LTD (KR)
International Classes:
E05F5/02; E05D7/00; E05F1/10; E05F1/12; E05F3/20
Domestic Patent References:
| WO2019121391A1 | 2019-06-27 |
Foreign References:
| KR20180112955A | 2018-10-15 | |||
| KR20170108482A | 2017-09-27 | |||
| US20070283532A1 | 2007-12-13 | |||
| KR20100055110A | 2010-05-26 |
Attorney, Agent or Firm:
YANG, Jong Pil (KR)
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