Patents by Inventor Kwang Geun CHOI

Kwang Geun 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: 11420299
    Abstract: Disclosed is an automatic bolt fastening device which includes a main body frame, a lower arm installed in the main body frame to be rotatable in a rightward-leftward direction, a gripper installed in a tip portion of the lower arm to pick up the bolt from a bolt feeder, an upper arm installed in the main body frame on an upper side of the lower arm to be rotatable in the rightward-leftward direction, and a bolt fastener installed in a tip portion of the upper arm to be movable upward and downward, and fastening the bolt to the workpiece located on the assembly line after being moved to the assembly line by the upper arm in a state where the bolt fastener vacuum-suctions the bolt picked up by the gripper.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: August 23, 2022
    Assignee: J-rem Co., Ltd.
    Inventors: Jin Seok Choi, Kwang Geun Choi
  • Publication number: 20220063030
    Abstract: Disclosed is an automatic bolt fastening device which includes a main body frame, a lower arm installed in the main body frame to be rotatable in a rightward-leftward direction, a gripper installed in a tip portion of the lower arm to pick up the bolt from a bolt feeder, an upper arm installed in the main body frame on an upper side of the lower arm to be rotatable in the rightward-leftward direction, and a bolt fastener installed in a tip portion of the upper arm to be movable upward and downward, and fastening the bolt to the workpiece located on the assembly line after being moved to the assembly line by the upper arm in a state where the bolt fastener vacuum-suctions the bolt picked up by the gripper.
    Type: Application
    Filed: February 11, 2021
    Publication date: March 3, 2022
    Applicant: J-rem Co., Ltd.
    Inventors: Jin Seok CHOI, Kwang Geun CHOI