Patents by Inventor Kwang Sul Choi

Kwang Sul Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11883899
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding to tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 30, 2024
    Inventor: Kwang-Sul Choi
  • Patent number: 11590602
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding to tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: February 28, 2023
    Inventor: Kwang-Sul Choi
  • Publication number: 20200038989
    Abstract: Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Application
    Filed: September 25, 2019
    Publication date: February 6, 2020
    Inventor: Kwang-Sul CHOI
  • Publication number: 20200038988
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Application
    Filed: September 25, 2019
    Publication date: February 6, 2020
    Inventor: Kwang-Sul CHOI
  • Publication number: 20200016681
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding to tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventor: Kwang-Sul CHOI
  • Publication number: 20200016680
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding to tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventor: Kwang-Sul CHOI
  • Publication number: 20200016682
    Abstract: An apparatus for supplying a welding tip of a welder and an apparatus for replacing the same include a fixed bracket secured to a support. The apparatus includes an actuator coupled to the fixed bracket and a first moving member moved by the actuator. A second moving member is coupled to the first moving member and hingedly coupled to the fixed bracket. A third moving member is hingedly coupled to the second moving member. A first welding tip removal member is coupled to the third moving member to separate a welding tip coupled to a shank. A fourth moving member is disposed opposite to the first moving member. A fifth moving member is coupled to the fourth moving member and hingedly coupled to the fixed bracket. A sixth moving member is coupled to the fifth moving member. A second welding tip removal member is coupled to the sixth moving member.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventor: Kwang-Sul CHOI
  • Patent number: 10464162
    Abstract: Disclosed are an apparatus for supplying a welding tip of a welder and an apparatus for replacing the same, which can automatically supply or replace a welding tip of a welding robot that is used in a vehicle body production factory, etc.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: November 5, 2019
    Inventor: Kwang-Sul Choi
  • Publication number: 20170106467
    Abstract: Disclosed are an apparatus for supplying a welding tip of a welder and an apparatus for replacing the same, which can automatically supply or replace a welding tip of a welding robot that is used in a vehicle body production factory, etc.
    Type: Application
    Filed: May 18, 2015
    Publication date: April 20, 2017
    Inventor: Kwang-Sul CHOI
  • Patent number: 7790984
    Abstract: The cable control apparatus includes a body disposed above the arm and a fixing ring having a through-hole fixed in the conveying hole; a conveying ring; a cable tube for integrally housing a plurality of control cables and including one end connected to the conveying ring with being inserted into the conveying hole of the body and the other end connected to the head of the industrial robot through the through-hole of the fixing ring; and a elastic member externally inserted to the cable tube and including one end connected to the fixing ring and the other end connected to the conveying ring for returning the cable tube to an original position through elastic force after the conveying ring slides the cable tube in order to sustain the cable tube between the arm and head not to be loosen.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: September 7, 2010
    Inventor: Kwang Sul Choi
  • Publication number: 20090255711
    Abstract: The cable control apparatus includes a body disposed above the arm and a fixing ring having a through-hole fixed in the conveying hole; a conveying ring; a cable tube for integrally housing a plurality of control cables and including one end connected to the conveying ring with being inserted into the conveying hole of the body and the other end connected to the head of the industrial robot through the through-hole of the fixing ring; and a elastic member externally inserted to the cable tube and including one end connected to the fixing ring and the other end connected to the conveying ring for returning the cable tube to an original position through elastic force after the conveying ring slides the cable tube in order to sustain the cable tube between the arm and head not to be loosen.
    Type: Application
    Filed: March 27, 2007
    Publication date: October 15, 2009
    Inventor: Kwang Sul Choi
  • Publication number: 20090166478
    Abstract: Provided is an apparatus for controlling cables of a robot. The cable control apparatus includes: a body disposed above the arm and having a male rail formed in a length direction; a stationary unit fixed at an upper one side of the body and having a through-hole; a moving unit disposed on the male rail slidably in right and left directions and including a through-hole formed thereon and a female rail corresponding to the male rail; a cable tube for integrally housing a plurality of the cables and including one end fixed to the moving unit and the other end connected to the head through the through-hole of the stationary unit; and an elastic member externally inserted to the cable tube and including one end connected to the stationary unit and the moving unit.
    Type: Application
    Filed: March 27, 2007
    Publication date: July 2, 2009
    Inventor: Kwang Sul Choi
  • Patent number: 7546985
    Abstract: A cable guide device for an industrial robot is disclosed. The cable guide device includes a tube ring coupled to an end portion of a cable tube of an industrial robot, a cable distributor insertedly coupled in the tube ring and having a plurality of cable inserting holes through which cables introduced into the cable tube pass, a tube clamp rotatably fitted around an outer peripheral surface of the tube ring and having a ring shape, a head coupling unit coupled to the tube clamp, and a clamp supporting unit having a first end portion fitted around an outer surface of an arm of the industrial robot and a second end portion coupled to the head coupling unit, to keep the cable tube at a predetermined distance away from the outer surface of the arm.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: June 16, 2009
    Inventor: Kwang Sul Choi
  • Publication number: 20090146019
    Abstract: A cable guide device for an industrial robot is disclosed. The cable guide device includes a tube ring coupled to an end portion of a cable tube of an industrial robot, a cable distributor insertedly coupled in the tube ring and having a plurality of cable inserting holes through which cables introduced into the cable tube pass, a tube clamp rotatably fitted around an outer peripheral surface of the tube ring and having a ring shape, a head coupling unit coupled to the tube clamp, and a clamp supporting unit having a first end portion fitted around an outer surface of an arm of the industrial robot and a second end portion coupled to the head coupling unit, to keep the cable tube at a predetermined distance away from the outer surface of the arm.
    Type: Application
    Filed: December 10, 2007
    Publication date: June 11, 2009
    Inventor: Kwang Sul Choi