Patents by Inventor Shaohan Li

Shaohan Li 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: 8678529
    Abstract: The drawer rail assembly is belonging to the field of furniture. This invention includes fixed rail, intermediate rail, outer pull-out rail, the first retainer and the second retainer. The outer pull-out rail has the first bending part and the second bending part. There are third bending part and forth bending part in the intermediate rail's vertical plane. There is a first ball bearing between the first bending part and the third bending part. There is a second ball bearing between the second bending part and the forth bending part. This invention ensures comprehensive supports among rails, reducing potential gaps to the minimum, improving the feeling to pull and push drawer. It adapts to be set in any furniture.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: March 25, 2014
    Inventor: Shaohan Li
  • Publication number: 20110188788
    Abstract: The drawer rail assembly is belonging to the field of furniture. This invention includes fixed rail, intermediate rail, outer pull-out rail, the first retainer and the second retainer. The outer pull-out rail has the first bending part and the second bending part. There are third bending part and forth bending part in the intermediate rail's vertical plane. There is a first ball bearing between the first bending part and the third bending part. There is a second ball bearing between the second bending part and the forth bending part. This invention ensures comprehensive supports among rails, reducing potential gaps to the minimum, improving the feeling to pull and push drawer. It adapts to be set in any furniture.
    Type: Application
    Filed: January 3, 2011
    Publication date: August 4, 2011
    Inventor: Shaohan LI
  • Publication number: 20060169960
    Abstract: A safety buffer for guide rails is a buffer device mounted on the guide rails, which comprises a rack and a unilateral damping device. Wherein the unilateral damping device comprises a bottom shell, a middle shell, a top shell, a damping case with convex shaft, a damping case cover, a damping sheet with middle shaft, a seal ring and a gear. A slot with long axis and short axis is positioned respectively on the bottom shell and the top shell, the damping sheet is mounted in the damping case, the middle shaft of the damping sheet goes through the damping case and the extruded portion is fixedly connected with the gear, the end of the middle shaft of the damping sheet goes into the slot of the upper face of the top shell; the damping case has a tooth on its outer circumference, the convex shaft of the damping case goes into the slot of the lower face of the external housing; a brake tooth locates on one side of the inner wall of external housing along the long axis of the slot; the gear engages with the rack.
    Type: Application
    Filed: April 6, 2005
    Publication date: August 3, 2006
    Inventor: Shaohan Li
  • Patent number: 6623091
    Abstract: A combined drawer with guide rails comprises a left-side board, a right-side board, a rear board, a fixing board, a faceplate, a bottom plate, a roller, a left fixing rail and a right fixing rail. A front vertical limb, a rear vertical limb and a horizontal limb are provided on the sideboards respectively. A stamped gap is provided on the front vertical limb and a fixing pin is provided on the edge of the gap. At least two horizontal ribs are provided on the rear vertical limb. At least two prescribing pins are provided on side boards, and a reinforcing rib is provided on the prescribing pins. At least two fix pins are provided on the horizontal limb. A front runner is provided at the front portion of the rolling runner. The angle &agr; between the front runner and the direction of the direction of the drawer extended is larger than 1°. At least one concave pit is provided on the top of the rolling runner.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: September 23, 2003
    Inventor: Shåohån Li
  • Publication number: 20030034719
    Abstract: A combined drawer with guide rails comprises a left-side board, a right-side board, a rear board, a fixing board, a faceplate, a bottom plate, a roller, a left fixing rail and a right fixing rail. A front vertical limb, a rear vertical limb and a horizontal limb are provided on the sideboards respectively. A stamped gap is provided on the front vertical limb and a fixing pin is provided on the edge of the gap. At least two horizontal ribs are provided on the rear vertical limb. At least two prescribing pins are provided on side boards, and a reinforcing rib is provided on the prescribing pins. At least two fix pins are provided on the horizontal limb. A front runner is provided at the front portion of the rolling runner. The angle cc between the front runner and the direction of the direction of the drawer extended is larger than 1°. At least one concave pit is provided on the top of the rolling runner.
    Type: Application
    Filed: January 30, 2002
    Publication date: February 20, 2003
    Inventor: Shaohan Li