Patents by Inventor Seong-Chull Choi

Seong-Chull 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).

  • Arm assembly for a crash test dummy
    Publication number: 20050066705
    Abstract: An arm assembly for a crash test dummy includes an upper arm unit, a lower arm unit, a wrist joint, and a hand unit. An upper portion of the upper arm unit is connected to a body of the crash test dummy. The lower arm unit is pivotally connected to a lower portion of the upper arm unit. A first end of the wrist joint is rotatably connected to the lower arm unit. The hand unit is pivotally connected to a second end of the wrist joint. The upper arm unit comprises a housing and a driving device disposed in the housing. The driving device drives the lower arm unit.
    Type: Application
    Filed: December 31, 2003
    Publication date: March 31, 2005
    Inventor: Seong Chull Choi
  • Hand assembly for a crash test dummy
    Patent number: 6851951
    Abstract: A hand assembly for a dummy is provided which comprises a housing, a finger assembly operatively mounted to the housing, and a biasing member configured to bias the finger assembly such that the finger assembly generates a grasping force. The biasing member being mounted to the housing, and a connecting member rotatably mounted to the housing where the connecting member is connected to a forearm of the dummy.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: February 8, 2005
    Assignee: Hundai Motor Company
    Inventors: Seong-Chull Choi, Young-Il Youm
  • Hand assembly for a crash test dummy
    Publication number: 20030224342
    Abstract: A hand assembly for a dummy is provided which comprises a housing, a finger assembly operatively mounted to the housing, and a biasing member configured to bias the finger assembly such that the finger assembly generates a grasping force. The biasing member being mounted to the housing, and a connecting member rotatably mounted to the housing where the connecting member is connected to a forearm of the dummy.
    Type: Application
    Filed: December 31, 2002
    Publication date: December 4, 2003
    Inventors: Seong-Chull Choi, Young-Il Youm