Patents by Inventor Bum Jin HWANG

Bum Jin HWANG 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: 11420538
    Abstract: Disclosed is a seat elevating device including a support unit, a driving unit, and an elevating unit. The support unit is structured such that a first end is coupled to a body of a vehicle and a second end extends upward from the first end and is connected to a first end and a second end of a bar. The driving unit is coupled to an inner side surface of the support unit and equipped with a drive shaft on a side surface thereof. The elevating unit is connected to the drive shaft via a gear unit and is provided with a groove to receive the bar so that the bar slides along the groove. The elevating unit is slidable because it is engaged with the gear unit connected to the drive shaft via a rack gear that extends in parallel with a sliding movement direction of the elevating unit.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: August 23, 2022
    Assignee: DAECHANG SEAT CO., LTD-DONGTAN
    Inventors: Chan Ki Cho, Bum Jin Hwang, Jun Kyu Park, Lyang Sun Kim
  • Publication number: 20210316641
    Abstract: Disclosed is a seat elevating device including a support unit, a driving unit, and an elevating unit. The support unit is structured such that a first end is coupled to a body of a vehicle and a second end extends upward from the first end and is connected to a first end and a second end of a bar. The driving unit is coupled to an inner side surface of the support unit and equipped with a drive shaft on a side surface thereof. The elevating unit is connected to the drive shaft via a gear unit and is provided with a groove to receive the bar so that the bar slides along the groove. The elevating unit is slidable because it is engaged with the gear unit connected to the drive shaft via a rack gear that extends in parallel with a sliding movement direction of the elevating unit.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 14, 2021
    Inventors: Chan Ki CHO, Bum Jin HWANG, Jun Kyu PARK, Lyang Sun KIM