Patents Assigned to EPTECH CO., LTD.
  • Patent number: 12140369
    Abstract: A multi-joint link hinge includes a hinge bracket, a plurality of side portions, a link module, and a door bracket coupled to the link module. The hinge bracket includes a base portion that defines a plurality of screw coupling holes at a vertical surface of the base portion, and a plurality of side portions that extend from the base portion in a horizontal direction and are spaced apart from each other in a vertical direction. The link module includes a plurality of links that are coupled to the plurality of side portions along an axis that extends in the vertical direction, where the plurality of links is disposed between the plurality of side portions.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: November 12, 2024
    Assignees: LG Electronics Inc., EPTech Co., Ltd.
    Inventors: Changseok Oh, Chunho Byun
  • Patent number: 12130072
    Abstract: A multi-joint link hinge includes a hinge bracket, a plurality of links axially coupled to the hinge bracket, and a door bracket coupled to the plurality of links. The hinge bracket includes a base portion that defines a plurality of screw coupling holes at a vertical surface thereof, a plurality of side portions that extend from the base portion in a horizontal direction and are spaced apart from each other in a vertical direction, and a side surface portion that extends from the base portion in the vertical direction and defines a fixing groove. The plurality of links are coupled between the plurality of side portions along an axis that extends in the vertical direction. The multi-joint link hinge is used for a home appliance including refrigerators.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: October 29, 2024
    Assignees: LG Electronics Inc., EPTech Co., Ltd.
    Inventors: Changseok Oh, Chunho Byun
  • Patent number: 11920855
    Abstract: A multi-joint link hinge may include hinge bracket provided with a base in which a plurality of screw coupling holes are defined, a plurality of side walls which protrude from the base and are spaced apart from each other in a vertical direction, a plurality of link modules which are vertically arranged between the side portions and axially coupled to the hinge bracket by a rotation shaft, and a door bracket which is axially coupled to each of the plurality of link modules.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: March 5, 2024
    Assignees: LG ELECTRONICS INC., EPTech Co., Ltd.
    Inventors: Changseok Oh, Chunho Byun
  • Patent number: 11319740
    Abstract: The present invention discloses a multi-link hinge device, wherein the multi-link hinge device includes a bottom lever installed on a main body of a member with a door and having a first bottom fastening hole and a second bottom fastening hole formed to be spaced apart from an end side; a top lever installed on the door of the main body and having a first top fastening hole and a second top fastening hole spaced apart from each other; a body lever having one end pivotally connected to the first bottom fastening hole and having a first body fastening hole formed at the other end and a second body fastening hole formed inside; a first link pivotally connected to the first top fastening hole and the first body fastening hole; a second link pivotally connected to the second top fastening hole and the second body fastening hole, and having a link central fastening hole formed inside; a third link pivotally connected to the link central fastening hole and the second bottom fastening hole; and a rocker arm that is p
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: May 3, 2022
    Assignee: EPTECH CO., LTD.
    Inventor: Chun Ho Byun
  • Publication number: 20210238902
    Abstract: The present invention discloses a multi-link hinge device, wherein the multi-link hinge device includes a bottom lever installed on a main body of a member with a door and having a first bottom fastening hole and a second bottom fastening hole formed to be spaced apart from an end side; a top lever installed on the door of the main body and having a first top fastening hole and a second top fastening hole spaced apart from each other; a body lever having one end pivotally connected to the first bottom fastening hole and having a first body fastening hole formed at the other end and a second body fastening hole formed inside; a first link pivotally connected to the first top fastening hole and the first body fastening hole; a second link pivotally connected to the second top fastening hole and the second body fastening hole, and having a link central fastening hole formed inside; a third link pivotally connected to the link central fastening hole and the second bottom fastening hole; and a rocker arm that is p
    Type: Application
    Filed: February 18, 2019
    Publication date: August 5, 2021
    Applicant: EPTECH CO., LTD.
    Inventor: Chun Ho BYUN
  • Patent number: 10941600
    Abstract: A hinge device connecting a door rotatably to a washing machine main body, which enables the door to be closed smoothly and slowly, and to be opened easily.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: March 9, 2021
    Assignee: EPTECH CO., LTD.
    Inventor: Yong Kun Byun
  • Patent number: 10876335
    Abstract: An embodiment of the present invention provides a multi-link hinge device in which any one of a plurality of links connecting a plurality of levers to each other may serve as a link and at the same time serve as a cover, thereby preventing a finger or the like from being caught in a space between the plurality of levers in advance when the door is opened or closed.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: December 29, 2020
    Assignees: EPTECH CO., LTD.
    Inventor: Chun ho Byun
  • Publication number: 20200131830
    Abstract: An embodiment of the present invention provides a multi-link hinge device in which any one of a plurality of links connecting a plurality of levers to each other may serve as a link and at the same time serve as a cover, thereby preventing a finger or the like from being caught in a space between the plurality of levers in advance when the door is opened or closed.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 30, 2020
    Applicants: EPTECH CO., LTD.
    Inventor: Chun ho BYUN
  • Publication number: 20200063327
    Abstract: A hinge device connecting a door rotatably to a washing machine main body, which enables the door to be closed smoothly and slowly, and to be opened easily.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 27, 2020
    Applicant: EPTECH CO., LTD.
    Inventor: Yong Kun BYUN