Patents by Inventor Gyou-Ryeon Chung

Gyou-Ryeon Chung 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: 7896117
    Abstract: A battery storage device for forklifts is used in storing a battery. The battery storage device includes a vehicle frame having a battery storage room, a front support plate provided on the vehicle frame for supporting a front surface of the battery received in the battery storage room, a rear support plate provided at a rear side of the battery storage room for supporting a rear surface of the battery received in the battery storage room, the rear support plate detachably fixed to the vehicle frame in such a manner that, when detached, the rear support plate becomes movable toward or away from the front support plate in conformity with a size of the battery, and a position adjustor for position-adjustably fixing the rear support plate in one position selected from a plurality of fixing positions.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: March 1, 2011
    Assignee: Doosan Infracore Co., Ltd.
    Inventors: Kun Uk Jung, Gyou Ryeon Chung
  • Patent number: 7861831
    Abstract: A front wheel brake device for forklifts is used in applying brake to a front wheel attached to opposite lateral bottom sides of a mast assembly. The device includes a support bracket provided at the bottom sides of the mast assembly, a brake housing fixed to the support bracket and received within the front wheel, a wheel hub fixedly secured to the front wheel, an axle shaft rotatably provided within the brake housing and engaged with a shaft portion of the wheel hub for unitary rotation with the front wheel, brake discs axially movably fitted to the axle shaft for unitary rotation therewith, friction plates alternately arranged between the brake discs and fitted to the brake housing for movement in an axial direction of the axle shaft, and a piston provided within the brake housing for, when operated, pressing the friction plates against the brake discs.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: January 4, 2011
    Assignee: Doosan Infracore Co., Ltd.
    Inventor: Gyou Ryeon Chung
  • Publication number: 20080115990
    Abstract: A battery storage device for forklifts is used in storing a battery. The battery storage device includes a vehicle frame having a battery storage room, a front support plate provided on the vehicle frame for supporting a front surface of the battery received in the battery storage room, a rear support plate provided at a rear side of the battery storage room for supporting a rear surface of the battery received in the battery storage room, the rear support plate detachably fixed to the vehicle frame in such a manner that, when detached, the rear support plate becomes movable toward or away from the front support plate in conformity with a size of the battery, and a position adjustor for position-adjustably fixing the rear support plate in one position selected from a plurality of fixing positions.
    Type: Application
    Filed: December 22, 2006
    Publication date: May 22, 2008
    Inventors: Kun Uk Jung, Gyou Ryeon Chung
  • Publication number: 20080116020
    Abstract: A front wheel brake device for forklifts is used in applying brake to a front wheel attached to opposite lateral bottom sides of a mast assembly. The device includes a support bracket provided at the bottom sides of the mast assembly, a brake housing fixed to the support bracket and received within the front wheel, a wheel hub fixedly secured to the front wheel, an axle shaft rotatably provided within the brake housing and engaged with a shaft portion of the wheel hub for unitary rotation with the front wheel, brake discs axially movably fitted to the axle shaft for unitary rotation therewith, friction plates alternately arranged between the brake discs and fitted to the brake housing for movement in an axial direction of the axle shaft, and a piston provided within the brake housing for, when operated, pressing the friction plates against the brake discs.
    Type: Application
    Filed: December 22, 2006
    Publication date: May 22, 2008
    Inventor: Gyou Ryeon Chung
  • Patent number: D358925
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: May 30, 1995
    Assignee: Daewoo Heavy Industries Co., Ltd
    Inventors: Gyou-Ryeon Chung, Keun-Ho Lee, Jae-Hyoung Cho