Patents by Inventor Ying-Hsiung Cheng

Ying-Hsiung Cheng 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: 5617592
    Abstract: The present invention relates to a bending joint of a collapsible baby playing bed, which comprises:two inner tooth members each having a tubular portion connected with an upper frame of the bed, and teeth; two fitting blocks each having teeth engaged with the teeth of the tooth members, and two opposing sectorial recesses; a connector having two pairs of opposing sectorial projections engaged with the recesses of the fitting blocks, and a recessed portion; two springs; a push cap fitted on the recessed portion; two bolts each passed through the connector, one the spring, one the fitting block, one the tooth member, and a nut. The bending joint of the bed is first and formost lifted upward to loosen a tight engagement of the teeth of the fitting blocks and the teeth of the tooth members and then the cap is pushed inward so that the sectorial recesses of the fitting blocks can disengage and the inner tooth members can be pivoted downward.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: April 8, 1997
    Assignee: Top Fortune Ltd.
    Inventor: Ying-Hsiung Cheng
  • Patent number: 5409253
    Abstract: A collapsible golf cart is provided which includes a support rod, a hollow operating rod, a score board and two wheels movably combined with connecting rods to the operating rod. The hollow operating rod has a bottom case formed in a lower section which is either secured to or released from an upper end section of the support rod for operatively opening or collapsing the golf cart by operation of a push button unit which pulls on a rope extending through an inner passage of the hollow operating rod for disengaging a pair of rod projections from a pair of holes formed through a positioning member of the support rod.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: April 25, 1995
    Inventor: Ying-Hsiung Cheng
  • Patent number: 5381570
    Abstract: A collapsible baby playing bed is provided. The baby bed includes an upper frame and a lower frame coupled together with four corner joints, four leg bases, and four legs. The upper frame consists of four horizontal sides, each side being made of two rods connected together by a bending joint at the center of the side. The lower frame consists of two crossing rod units, four bending joints, and two connecting rods connecting a straight rod with a curved rod of each crossing unit. Two movable bases are included with each having a foot to stand on the ground, and being connected with a respective connecting rod. Two locking bases are also provided, each having a foot to stand on the ground and being connected with a respective straight rod. The lower frame is capable of being collapsed, which in turn permits the upper frame to be collapsed.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: January 17, 1995
    Assignee: Top Fortune Ltd.
    Inventor: Ying-Hsiung Cheng
  • Patent number: 5377368
    Abstract: A collapsible baby bed includes four pairs of two upper horizontal side rods connected with four bending means, four corner connectors connecting two pairs of two upper horizontal side rods, two V-shaped connecting tubes connected with a pair of lower horizontal rods also connected with two foot rods, two inverted U-shaped bottom frames pivotally connected with two V-shaped connecting tubes. The four foot rods and the vertical poritons of the inverted U-shaped bottom frames stand on the ground soas to support this bed when it is spread out. The four bending means and a pivotal pin combined the two V-shaped connecting tubes and the inverted U-shaped bottom frames enable this bed collapsed.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: January 3, 1995
    Assignee: Top Fortune Ltd.
    Inventor: Ying-Hsiung Cheng
  • Patent number: 5349709
    Abstract: An elevated floorboard frame for a playpen and baby bed includes a frame body made of a pair of parallel lengthwise rods and a pair of parallel lateral rods combined pivotally with connectors. Each of lengthwise and the lateral rod has two pieces pivotally connected with a connector so that the frame body may be collapsible to a minimum size. Each of the four support bands is connected with each of the U-shaped connectors at each corner of the frame body. Each of the four hanging hooks is connected with the top of each band to hook on an upper lateral rod of a playpen and baby bed to hang the elevated floorboard frame on the playpen.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: September 27, 1994
    Assignee: Top Fortune Ltd.
    Inventor: Ying-Hsiung Cheng