Patents by Inventor Zhi-Ren Zhong

Zhi-Ren Zhong 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: 7441835
    Abstract: An angle-adjustable backrest device includes a backrest frame and an angle-adjusting device for connecting the backrest frame to a chair. The angle-adjusting device includes a mounting seat mounted on a leg frame and provided with positioning components, and a pivot seat mounted on a seat, connected to the backrest frame, and pivoted to the mounting seat. A locking unit includes a slide member mounted slidably on the backrest frame and having a positioning groove to engage the selected positioning component to thereby lock the backrest frame at a desired angle relative to the leg frame, a biasing member for biasing the slide member to an engaging position, and an actuator unit operable to drive movement of the slide member from the engaging position to a disengaging position.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: October 28, 2008
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi-Ren Zhong
  • Patent number: 7441733
    Abstract: A support device includes a positioning tube to be connected to a child vehicle safety seat and formed with a plurality of positioning hole units. A support tube is sleeved telescopically on the positioning tube and is formed with a pair of through holes. A support base is sleeved on the support tube, and has a mounting seat disposed at a horizontal level corresponding to the through holes. A seat height adjusting unit includes an actuator that is mounted movably in the mounting seat, that is biased by a spring member, and that engages removably the through holes and a registered one of the positioning hole units to retain the positioning tube at a desired extended length relative to the support tube.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: October 28, 2008
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi-Ren Zhong
  • Publication number: 20080251677
    Abstract: A foldable frame comprises a front leg frame and a rear leg frame, each having one or more leg units foldable or detachable with one another. The front leg frame and the rear leg frame are rotatable with each other such that the foldable frame can be folded to a small size. The foldable frame also utilizes a receiving frame pivotally or steadily configured on the frame body for receiving the detachable infant carrier. A recliner apparatus is further configured between the receiving frame and the frame body for adjusting the receiving frame together with the infant carrier to different reclining angle for convenient use.
    Type: Application
    Filed: March 19, 2008
    Publication date: October 16, 2008
    Inventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
  • Publication number: 20080238042
    Abstract: A collapsible stroller is provided.
    Type: Application
    Filed: March 20, 2008
    Publication date: October 2, 2008
    Applicant: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi-Ren Zhong
  • Publication number: 20080231022
    Abstract: The coupling device for a carrier (a bassinet or a child seat) is configured at the outer side of the stroller frame so that the carrier can be as wide as possible for child inside to have a roomy environment. Additionally, a connection device is further configured between the coupling device and the stroller frame for bringing the carrier to rotate with the stroller frame and keeping or adjusting the tilt angle of the carrier mounted on the stroller when the stroller frame is folding.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 25, 2008
    Inventors: Yan-Ge Hu, Zhi-Ren Zhong
  • Publication number: 20080224515
    Abstract: A foldable frame comprises a front leg frame and a rear leg frame, each having one or more leg units foldable or detachable with one another. The front leg frame and the rear leg frame are rotatable with each other such that the foldable frame can be folded to a small size. The foldable frame also utilizes a receiving frame pivotally or steadily configured on the frame body for receiving the detachable infant carrier. A recliner apparatus is further configured between the receiving frame and the frame body for adjusting the receiving frame together with the infant carrier to different reclining angle for convenient use.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 18, 2008
    Inventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
  • Publication number: 20080185821
    Abstract: The stroller applies a first link of the linkage assembly pivotally connecting between the handle and the protecting guard and a second link of the linkage pivotally connecting between the front frame and the protecting guard. During the folding process of the stroller, the first and the second links drive the protecting guard to move and rotate to a position that is substantially parallel with the handle, the front frame, the rear frame, and the bottom frame, bringing the stroller to a smallest size when in the folded position.
    Type: Application
    Filed: July 25, 2007
    Publication date: August 7, 2008
    Inventors: Shun-Min Chen, Zhi-Ren Zhong, Jian-Qun Li
  • Publication number: 20080185236
    Abstract: Braking system for a stroller utilizes an actuator to move two brakes close to an axis to unlock the rear wheels of the stroller and away from the axis to lock the rear wheels. Each brake comprises a long arm. The brakes are disposed at the opposite sides of the axis. When the actuator is driven to rotate about the axis, the brakes move around the axis to have axial movement close to or away from the axis.
    Type: Application
    Filed: September 26, 2007
    Publication date: August 7, 2008
    Inventors: Shun-Min Chen, Zhi-Ren Zhong, Jian-Qun Li
  • Publication number: 20080030052
    Abstract: A support device includes a positioning tube to be connected to a child vehicle safety seat and formed with a plurality of positioning hole units. A support tube is sleeved telescopically on the positioning tube and is formed with a pair of through holes. A support base is sleeved on the support tube, and has a mounting seat disposed at a horizontal level corresponding to the through holes. A seat height adjusting unit includes an actuator that is mounted movably in the mounting seat, that is biased by a spring member, and that engages removably the through holes and a registered one of the positioning hole units to retain the positioning tube at a desired extended length relative to the support tube.
    Type: Application
    Filed: June 4, 2007
    Publication date: February 7, 2008
    Applicant: WONDERLAND NURSERYGOODS CO., LTD.
    Inventors: Shun-Min Chen, Zhi-Ren Zhong
  • Publication number: 20070290528
    Abstract: A collapsible highchair with a locking device includes a first frame, a second frame which is pivotally connected to the first frame in “X” shape, a seat portion pivotally connected to upper sections of the frames, a backrest connected to the upper section of the first frame, a locking device secured to top end of upper section of the second frame, and an armrest one end of which is pivotally connected to the first frame and another end is engaged with the locking device. The locking device includes a first case and a second case, both of which cover the second frame. The first case is integrally formed with an elastic actuating portion. When the actuating portion is engaged with an opening on the armrest, the highchair is in a stretched state. When the actuating portion is pressed to disengage from the opening, the highchair is in a collapsible state.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 20, 2007
    Applicant: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi Ren Zhong
  • Publication number: 20070273191
    Abstract: An angle-adjustable backrest device includes a backrest frame and an angle-adjusting device for connecting the backrest frame to a chair. The angle-adjusting device includes a mounting seat mounted on a leg frame and provided with positioning components, and a pivot seat mounted on a seat, connected to the backrest frame, and pivoted to the mounting seat. A locking unit includes a slide member mounted slidably on the backrest frame and having a positioning groove to engage the selected positioning component to thereby lock the backrest frame at a desired angle relative to the leg frame, a biasing member for biasing the slide member to an engaging position, and an actuator unit operable to drive movement of the slide member from the engaging position to a disengaging position.
    Type: Application
    Filed: November 3, 2006
    Publication date: November 29, 2007
    Applicant: WONDERLAND NURSERYGOODS CO., LTD.
    Inventors: Shun-Min CHEN, Zhi-Ren ZHONG
  • Publication number: 20070194614
    Abstract: A seat position-adjusting device is used to connect adjustably a seat to a leg unit of a highchair, and includes a tube component, a slide seat and a locking unit. The tube component is sleeved on the leg unit, and is formed with positioning holes aligned along a tube axis. The slide seat is sleeved on the tube component, and is connected to the seat. The locking unit includes a latch disposed in the slide seat, pivoted to the slide seat, and pivotable between locking and unlocking positions to engage and disengage a selected positioning hole to thereby selectively lock and unlock the slide seat relative to the tube component.
    Type: Application
    Filed: December 5, 2006
    Publication date: August 23, 2007
    Inventors: Shun-Min CHEN, Zhi-Ren ZHONG