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).
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Patent number: 8205943Abstract: A foldable rocking chair includes a base having a curved rocking portion, a first adjustment rod pivotally connected to the base, a seat having a front end pivotally connected to a front end of the base, a second adjustment rod pivotally connected to the seat, and a folding joint for interconnecting the first and second adjustment rods. The seat is adjustable relative to the base between a fully unfolded position and a folded position. The folding joint is constructed so as to allow pivoting movement of the seat from the folded position to the fully unfolded position, while preventing pivoting movement of the seat from the fully unfolded position to the folded position when no external force is applied the folding joint.Type: GrantFiled: August 2, 2010Date of Patent: June 26, 2012Assignee: Wonderland Nursery Goods Co., LtdInventor: Zhi-Ren Zhong
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Patent number: 8201667Abstract: 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: GrantFiled: September 26, 2007Date of Patent: June 19, 2012Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi-Ren Zhong, Jian-Qun Li
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Patent number: 8162390Abstract: When a supporting frame is assembled to a seat, the child chair is used as a high chair. When the supporting frame is detached from the seat, the child chair may be served as a booster. The seat includes storages with straps connected. Each storage is covered with a cover selectively configured between a closed position and an opened position. When the supporting frame is detached from the seat, the covers may be moved to the opened position, covering coupling sections of the seat so that the supporting frame is not permitted to assemble to the seat; the straps are reachable outward the storages to secure the seat to an adult chair. When the straps are stored in the storages, the covers may be moved to the closed position, covering the storages and the coupling sections are exposed. The supporting frame is then permitted to assemble to the seat.Type: GrantFiled: March 18, 2010Date of Patent: April 24, 2012Assignee: Wonderland Nurserygoods Company LimitedInventor: Zhi-Ren Zhong
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Patent number: 8011722Abstract: 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: GrantFiled: March 14, 2008Date of Patent: September 6, 2011Assignee: Wonderland Nurserygoods Company LimitedInventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
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Patent number: 7988228Abstract: 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: GrantFiled: October 27, 2010Date of Patent: August 2, 2011Assignee: Wonderland Nurserygoods Company LimitedInventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
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Publication number: 20110121545Abstract: A caster includes a housing, a rotating member, and a caster. The housing defines an accommodation space having an open bottom end. The rotating member is disposed within the housing, and is rotatable between first and second angular positions. The caster is co-rotatable with the rotating member. One of the housing and the rotating member has first and second engaging portions. The other one of the housing and the rotating member has a third engaging portion, which engages the first engaging portion so that the caster is unfolded and disposed outwardly of the housing when the rotating member is at the first angular position and which engages the second engaging portion so that the caster is folded and disposed at a folded position and within the accommodation space when the rotating member is at the second angular position.Type: ApplicationFiled: June 11, 2010Publication date: May 26, 2011Applicant: WONDERLAND NURSERYGOODS COMPANY LIMITEDInventors: Zhi-Ren Zhong, Zheng-Wen Guo
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Publication number: 20110074186Abstract: When a supporting frame is assembled to a seat, the child chair is used as a high chair. When the supporting frame is detached from the seat, the child chair may be served as a booster. The seat includes storages with straps connected. Each storage is covered with a cover selectively configured between a closed position and an opened position. When the supporting frame is detached from the seat, the covers may be moved to the opened position, covering coupling sections of the seat so that the supporting frame is not permitted to assemble to the seat; the straps are reachable outward the storages to secure the seat to an adult chair. When the straps are stored in the storages, the covers may be moved to the closed position, covering the storages and the coupling sections are exposed. The supporting frame is then permitted to assemble to the seat.Type: ApplicationFiled: March 18, 2010Publication date: March 31, 2011Inventor: Zhi-Ren Zhong
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Publication number: 20110074187Abstract: When a leg frame is assembled to a seat, the child chair is used as a high chair. When the leg frame is detached from the seat, the child chair may be served as a booster. Legs of the detached leg frame are further assembled with a footrest for storage purpose. The footrest has coupling slots that are formed by resilient arms to hold the detached legs. The footrest may also serve as a pedal for feet when the leg frame is assembled to the seat.Type: ApplicationFiled: April 22, 2010Publication date: March 31, 2011Inventor: Zhi-Ren Zhong
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Patent number: 7896431Abstract: 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: GrantFiled: March 19, 2008Date of Patent: March 1, 2011Assignee: Wonderland Nurserygoods Company LimitedInventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
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Publication number: 20110037296Abstract: 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: ApplicationFiled: October 27, 2010Publication date: February 17, 2011Inventors: Zong-Wang Cui, Zhi-Ren Zhong, Nathanael Saint
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Publication number: 20110031783Abstract: A foldable rocking chair includes a base having a curved rocking portion, a first adjustment rod pivotally connected to the base, a seat having a front end pivotally connected to a front end of the base, a second adjustment rod pivotally connected to the seat, and a folding joint for interconnecting the first and second adjustment rods. The seat is adjustable relative to the base between a fully unfolded position and a folded position. The folding joint is constructed so as to allow pivoting movement of the seat from the folded position to the fully unfolded position, while preventing pivoting movement of the seat from the fully unfolded position to the folded position when no external force is applied the folding joint.Type: ApplicationFiled: August 2, 2010Publication date: February 10, 2011Applicant: WONDERLAND NURSERY GOODS CO., LTDInventor: Zhi-Ren Zhong
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Patent number: 7871100Abstract: A collapsible stroller is provided.Type: GrantFiled: March 20, 2008Date of Patent: January 18, 2011Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi-Ren Zhong
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Publication number: 20100327561Abstract: A stroller includes a stroller frame having a mounting frame portion, a support frame connected pivotally to the mounting frame portion for supporting a seat, and a support-frame adjusting device operable to adjust an angle between the support frame and the mounting frame portion. The support-frame adjusting device includes an elongated supporting member disposed pivotally on one of the support frame and the mounting frame portion and having first and second engagement portions, and a positioning member locked releaseably at a selected one of the first and second engagement portions. When released from the selected one of the first and second engagement portions, the positioning member is movable to engage the other one of the first and second engagement portions to thereby change the angle between the supporting member and the mounting frame portion and, thus, the inclination angle of the seat.Type: ApplicationFiled: April 2, 2010Publication date: December 30, 2010Applicant: WONDERLAND NURSERYGOODS CO., LTD.Inventor: Zhi-Ren Zhong
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Patent number: 7753448Abstract: 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: GrantFiled: December 5, 2006Date of Patent: July 13, 2010Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi-Ren Zhong
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Patent number: 7717456Abstract: 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: GrantFiled: July 25, 2007Date of Patent: May 18, 2010Assignee: Wonderland NurseryGoods Co., Ltd.Inventors: Shun-Min Chen, Zhi-Ren Zhong, Jian-Qun Li
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Publication number: 20100102535Abstract: An infant carrier device comprises a foldable support frame, an adjustable backrest assembly, a backrest positioning mechanism including a fixed positioning member and a movable latching member connected with the backrest assembly, and a disengaging mechanism connected with the support frame and movable relative to the positioning member. The latching member is movable between a first position where the latching member is engaged with the positioning member for locking the backrest assembly in position, and a second position where the latching member is disengaged from the positioning member. Moreover, the disengaging mechanism is operable to interact with the latching member for causing the latching member to move from the first position to the second position when the support frame is folded.Type: ApplicationFiled: October 22, 2009Publication date: April 29, 2010Applicant: WONDERLAND NURSERYGOODS HONG KONG COMPANY LIMITEDInventor: Zhi-ren ZHONG
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Patent number: 7703843Abstract: 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: GrantFiled: November 30, 2006Date of Patent: April 27, 2010Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi Ren Zhong
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Patent number: 7600810Abstract: A collapsible high chair is provided. The collapsible high chair comprises a front frame including a pair of middle front tubes and a substantially U-shaped lower front tube, the pair of middle front tubes and the lower front tube being detachably engaged with each other by fastening devices; and a rear frame including a substantially U-shaped upper rear tube and a substantially U-shaped lower rear tube, the upper rear tube and the lower rear tube being detachably engaged with each other by fastening devices. The front frame and the rear frame are pivotally connected to each other so that the front frame and the rear frame pivot and approach with respect to each other, thereby allowing the high chair to be in a collapsed state.Type: GrantFiled: August 6, 2007Date of Patent: October 13, 2009Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi Ren Zhong
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Publication number: 20090039684Abstract: A collapsible high chair is provided. The collapsible high chair comprises a front frame including a pair of middle front tubes and a substantially U-shaped lower front tube, the pair of middle front tubes and the lower front tube being detachably engaged with each other by fastening devices; and a rear frame including a substantially U-shaped upper rear tube and a substantially U-shaped lower rear tube, the upper rear tube and the lower rear tube being detachably engaged with each other by fastening devices. The front frame and the rear frame are pivotally connected to each other so that the front frame and the rear frame pivot and approach with respect to each other, thereby allowing the high chair to be in a collapsed state.Type: ApplicationFiled: August 6, 2007Publication date: February 12, 2009Applicant: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Zhi Ren Zhong
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Patent number: D639214Type: GrantFiled: October 18, 2010Date of Patent: June 7, 2011Assignee: Wonderland Nurserygoods Company LimitedInventors: Zhi Ren Zhong, Ruibin Chen