Patents by Inventor Chuan-Kai Hsu

Chuan-Kai Hsu 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: 9993090
    Abstract: A children's dining chair, such as for example a hook-on children's dining chair for hooking onto or otherwise attaching to a table or other support, with an improved structure and better performance. In example embodiments, the present invention further provides a hook-on chair with an enhanced clamping force.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: June 12, 2018
    Assignee: KIDS II, INC.
    Inventor: Chuan Kai Hsu
  • Publication number: 20170280890
    Abstract: A children's dining chair, such as for example a hook-on children's dining chair for hooking onto or otherwise attaching to a table or other support, with an improved structure and better performance. In example embodiments, the present invention further provides a hook-on chair with an enhanced clamping force.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 5, 2017
    Applicant: WEI GUAN HARDWARE (SHENZHEN) CO., LTD.
    Inventor: Chuan Kai HSU
  • Patent number: 8485547
    Abstract: A stroller includes a frame unit, two folding devices, and a wheel unit. The frame unit includes a rear support frame, an upper support frame and a lower support frame. Each of the folding devices includes a first shell, a second shell, a gear set, and a pulling mechanism. The gear set includes at least two first toothed members, a connecting rod, a second toothed member, and a fixing rod. The pulling mechanism includes a locking member, a locking rod, a tension spring, a pull member, a drive wire and a fastening member. The wheel unit includes a main shaft, a mounting seat, an elastic plate, a wheel bracket, a buffering spring, and two front wheels. The buffering spring is biased between the mounting seat and the wheel bracket to provide a shock-absorbing function to the front wheels.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: July 16, 2013
    Assignee: Wei Guan Products Co., Ltd
    Inventor: Chuan-Kai Hsu
  • Publication number: 20130147162
    Abstract: A stroller includes a frame unit, two folding devices, and a wheel unit. The frame unit includes a rear support frame, an upper support frame and a lower support frame. Each of the folding devices includes a first shell, a second shell, a gear set, and a pulling mechanism. The gear set includes at least two first toothed members, a connecting rod, a second toothed member, and a fixing rod. The pulling mechanism includes a locking member, a locking rod, a tension spring, a pull member, a drive wire and a fastening member. The wheel unit includes a main shaft, a mounting seat, an elastic plate, a wheel bracket, a buffering spring, and two front wheels. The buffering spring is biased between the mounting seat and the wheel bracket to provide a shock-absorbing function to the front wheels.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 13, 2013
    Inventor: Chuan-Kai Hsu
  • Publication number: 20130117930
    Abstract: A combination playpen includes a playpen and a removable bed detachably combined with the playpen. The playpen includes a playpen body and at least one first zipper mounted in the playpen body. The removable bed includes a bed body detachably mounted in the playpen body of the playpen, a second zipper mounted on the bed body, and a pull tab mounted on the second zipper and detachably connected with the first zipper of the playpen. Thus, the first zipper of the playpen and the second zipper of the removable bed are connected or disconnected by operation of the pull tab of the removable bed so that the removable bed can be mounted on and detached from the playpen easily and quickly, thereby facilitating the user assembling and disassembling the removable bed.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 16, 2013
    Inventor: Chuan-Kai Hsu
  • Publication number: 20100132115
    Abstract: A playpen includes a support frame, an enclosure cloth, and a plurality of fixing bars. The support frame includes a plurality of support posts each provided with a mounting tube. Each of the fixing bars has a first end provided with a fixing column inserted into the mounting tube and a second portion provided with a connecting strip. Thus, the connecting strip of each of the fixing bars is secured on the enclosure cloth and protrudes outwardly from the mounting tube to separate the enclosure cloth from the mounting tube of each of the support posts so that the enclosure cloth will not directly contact with the mounting tube of each of the support posts to prevent the enclosure cloth from being rubbed or worn out due to a frequent frictional contact.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 3, 2010
    Inventor: Chuan-Kai Hsu
  • Publication number: 20100013195
    Abstract: A foldable stroller includes a support frame including two back posts, a first folding bar, a second folding bar, a third folding bar, a fourth folding bar, a bottom bracket, and a slide. The two back posts are rotated backward and downward toward the first folding bar to fold the third folding bar and the second folding bar between the two back posts and the first folding bar and to fold the bottom bracket under the first folding bar so as to fold the stroller. Thus, when the stroller is folded, the back posts are rotated backward and downward to reduce the volume of the support frame to the minimum value so that the folded stroller has the smallest volume, thereby facilitating storage and transportation of the stroller when not in use.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 21, 2010
    Inventor: Chuan-Kai Hsu
  • Publication number: 20090172879
    Abstract: A playpen includes a frame, four upper folding devices, two lower folding devices, a pull cord, and two lower collapsible devices. Each of the lower folding devices includes a first connecting member, a second connecting member, a mounting bracket, a locking member, an elastic member, and a compression spring. Each of the lower collapsible devices has a second compression spring. Thus, each of the lower folding devices is operated to fold the frame in a first stage, and each of the lower collapsible devices is operated to fold the frame in a second stage, so that the playpen is folded in a two-stage manner. In addition, the user only needs to pull the pull cord to unlock each of the lower folding devices so as to partially fold the frame easily and quickly.
    Type: Application
    Filed: January 8, 2008
    Publication date: July 9, 2009
    Inventor: Chuan-Kai Hsu
  • Patent number: D520262
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: May 9, 2006
    Assignee: Wei Guan Industrial Co., Ltd.
    Inventor: Chuan-Kai Hsu
  • Patent number: D680760
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: April 30, 2013
    Assignee: Wei Guan Harwaew (Shenzhen) Co., Ltd.
    Inventor: Chuan-Kai Hsu