Patents by Inventor Ze-hua Yi
Ze-hua Yi 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: 9883750Abstract: A frame height adjusting mechanism is adapted for a frame including an inner pipe and an outer pipe sheathing on the inner pipe. A fixing hole is formed on one of the inner pipe and the outer pipe. A plurality of positioning holes is formed on the other one of the inner pipe and the outer pipe. The frame height adjusting mechanism includes a driving member which is slidably disposed on the inner pipe or the outer pipe where the fixing hole is formed and includes at least one first inclined surface, and at least one engaging member which is slidably disposed on the driving member and passing through the fixing hole to insert into one of the plurality of positioning holes. The at least one first inclined surface pushes the at least one engaging member to disengage from the corresponded positioning hole when the driving member slides upwardly.Type: GrantFiled: October 14, 2015Date of Patent: February 6, 2018Assignee: Wonderland Switzerland AGInventor: Ze-Hua Yi
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Patent number: 9840168Abstract: A connection mechanism is used for detachably installing a carrier device to a supporting device. The connection mechanism includes a first base, fixed on the supporting device, a second base, fixed on the carrier device and detachably connected to the first base, a latch, movably disposed on the second base and corresponding to the first base, and an operating component, disposed on the second base and operably connected to the latch. The operating component selectively drives the latch to move to a locking position so that the second base is locked to the first base, or drives the latch to move to an unlocking position so that the second base is unlocked from the first base.Type: GrantFiled: June 9, 2014Date of Patent: December 12, 2017Assignee: Wonderland Switzerland AGInventors: Ze-Hua Yi, Zhi-Ren Zhong, Wanquan Zhu
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Patent number: 9327750Abstract: The present invention provides a stroller frame adapted for a stroller and the stroller with the stroller frame. The stroller frame includes a handle, a front foot pivoted to the handle, a bottom pipe pivoted to the front foot, and a linking mechanism pivoted with the handle, the front foot and the bottom pipe. Thus, the present invention provides the stroller frame and the stroller therewith capable of being folded easily and with simple structure.Type: GrantFiled: August 8, 2013Date of Patent: May 3, 2016Assignee: Wonderland Nurserygoods Company LimitedInventors: Ze-Hua Yi, Fangming Li
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Publication number: 20160106226Abstract: A frame height adjusting mechanism is adapted for a frame including an inner pipe and an outer pipe sheathing on the inner pipe. A fixing hole is formed on one of the inner pipe and the outer pipe. A plurality of positioning holes is formed on the other one of the inner pipe and the outer pipe. The frame height adjusting mechanism includes a driving member which is slidably disposed on the inner pipe or the outer pipe where the fixing hole is formed and includes at least one first inclined surface, and at least one engaging member which is slidably disposed on the driving member and passing through the fixing hole to insert into one of the plurality of positioning holes. The at least one first inclined surface pushes the at least one engaging member to disengage from the corresponded positioning hole when the driving member slides upwardly.Type: ApplicationFiled: October 14, 2015Publication date: April 21, 2016Inventor: Ze-Hua Yi
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Patent number: 9028006Abstract: A safety bow assembly for a child seat comprises: a bow body that has opposite first and second ends; first and second connecting parts that are connected to the child seat, the first connecting part defining an accommodating space and having a side wall; and an engaging lever that is connected movably to the side wall, that is formed with an engaging element facing the accommodating space, and that is movable relative to the side wall between a first position, in which the engaging element is adapted to engage releasably a coupling part of the child seat, and a second position, in which the engaging element is adapted to be disengaged from the coupling part.Type: GrantFiled: July 15, 2013Date of Patent: May 12, 2015Assignee: Wonderland Nurserygoods Company LimitedInventors: Ze-Hua Yi, Zhi-Ren Zhong
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Publication number: 20140369744Abstract: A connection mechanism is used for detachably installing a carrier device to a supporting device. The connection mechanism includes a first base, fixed on the supporting device, a second base, fixed on the carrier device and detachably connected to the first base, a latch, movably disposed on the second base and corresponding to the first base, and an operating component, disposed on the second base and operably connected to the latch. The operating component selectively drives the latch to move to a locking position so that the second base is locked to the first base, or drives the latch to move to an unlocking position so that the second base is unlocked from the first base. Thereby, it is convenient to install and detach the connection mechanism. The connection mechanism is reliable and safe in use and can provide firm connection.Type: ApplicationFiled: June 9, 2014Publication date: December 18, 2014Inventors: Ze-Hua Yi, Zhi-Ren Zhong, Wanquan Zhu
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Patent number: 8833794Abstract: A baby carriage includes a wheel assembly and a foldable frame connected to the wheel assembly. The foldable frame includes a front leg, a rear leg, a push handle located above the rear leg and connected to the front leg, a connecting rod, and a basket tube located on the rear leg. The front leg and the rear leg are connected to the wheel assembly. The push handle is pivotally connected to the front leg. An end of the connecting rod is pivotally connected to the rear leg. The baby carriage of the invention can be folded so as to avoid occupying much space.Type: GrantFiled: December 17, 2012Date of Patent: September 16, 2014Assignee: Wonderland Nurserygoods Company LimitedInventor: Ze-Hua Yi
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Publication number: 20140042730Abstract: The present invention provides a stroller frame adapted for a stroller and the stroller with the stroller frame. The stroller frame includes a handle, a front foot pivoted to the handle, a bottom pipe pivoted to the front foot, and a linking mechanism pivoted with the handle, the front foot and the bottom pipe. Thus, the present invention provides the stroller frame and the stroller therewith capable of being folded easily and with simple structure.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Inventors: Ze-Hua Yi, Fangming Li
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Publication number: 20140015300Abstract: A safety bow assembly for a child seat comprises: a bow body that has opposite first and second ends; first and second connecting parts that are connected to the child seat, the first connecting part defining an accommodating space and having a side wall; and an engaging lever that is connected movably to the side wall, that is formed with an engaging element facing the accommodating space, and that is movable relative to the side wall between a first position, in which the engaging element is adapted to engage releasably a coupling part of the child seat, and a second position, in which the engaging element is adapted to be disengaged from the coupling part.Type: ApplicationFiled: July 15, 2013Publication date: January 16, 2014Inventors: Ze-Hua YI, Zhi-Ren ZHONG
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Patent number: 8590919Abstract: A stroller frame is disclosed and includes a front-leg support member, a rear-leg support member, an upper support member, and a connection device which connects the front-leg support member, the rear-leg support member, and the upper support member respectively, such that the rear-leg support member and the upper support member can rotate relative to a first rotation axis and the front-leg support member and the rear-leg support member can rotate relative to a second rotation axis. Thereby, the invention uses just the integrated connection device to fold the three support members smoothly, which solves the problem that a foldable stroller in the prior art usually realizes the folding by a pivot device which rotates two of support members thereof so as to drive the other support members but is accompanied by the difficulty in reducing the length of the folded stroller.Type: GrantFiled: December 15, 2010Date of Patent: November 26, 2013Assignee: Wonderland Nurserygoods Company LimitedInventor: Ze-Hua Yi
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Publication number: 20130154240Abstract: A baby carriage includes a wheel assembly and a foldable frame connected to the wheel assembly. The foldable frame includes a front leg, a rear leg, a push handle located above the rear leg and connected to the front leg, a connecting rod, and a basket tube located on the rear leg. The front leg and the rear leg are connected to the wheel assembly. The push handle is pivotally connected to the front leg. An end of the connecting rod is pivotally connected to the rear leg. The baby carriage of the invention can be folded so as to avoid occupying much space.Type: ApplicationFiled: December 17, 2012Publication date: June 20, 2013Inventor: Ze-Hua Yi
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Patent number: 8251382Abstract: A seat assembly mechanism for a stroller has a seat frame and a main frame. The seat assembly mechanism includes a positioning device and a seat supporting member. The positioning device is disposed on the seat frame and includes a positioning pin movable between a locking position and a releasing position. The seat supporting member is disposed on the main frame, and includes a positioning-device recipient corresponding to the positioning device and a positioning groove located at a side of the positioning-device recipient. Furthermore, the positioning device is detachably assembled to the seat supporting member, and the positioning pin inserts into the positioning groove when the positioning device is disposed in the positioning-device recipient of the seat supporting member for assembling the seat frame to the main frame.Type: GrantFiled: June 6, 2008Date of Patent: August 28, 2012Assignee: Wonderland Nurserygoods Co., Ltd.Inventors: Shun-Min Chen, Ze-Hua Yi
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Publication number: 20120104729Abstract: A stroller frame is disclosed and includes a front-leg support member, a rear-leg support member, an upper support member, and a connection device which connects the front-leg support member, the rear-leg support member, and the upper support member respectively, such that the rear-leg support member and the upper support member can rotate relative to a first rotation axis and the front-leg support member and the rear-leg support member can rotate relative to a second rotation axis. Thereby, the invention uses just the integrated connection device to fold the three support members smoothly, which solves the problem that a foldable stroller in the prior art usually realizes the folding by a pivot device which rotates two of support members thereof so as to drive the other support members but is accompanied by the difficulty in reducing the length of the folded stroller.Type: ApplicationFiled: December 15, 2010Publication date: May 3, 2012Inventor: Ze-Hua Yi
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Patent number: 7526821Abstract: A fastener system is implemented to assemble a fabric element with a frame structure of a nursery device for supporting a baby occupant. The fastener system includes a first connecting structure joined with the fabric element and configured to complementarily mate with a second connecting structure having a protrusion extending along a support beam of the frame structure. The first connecting structure includes a flat affixing portion joined with an edge of the fabric element, and an engaging catch linked with the affixing portion through a joint portion. The second connecting structure complementarily mates within the engaging catch of the first connecting structure to fasten the fabric element with the support beam.Type: GrantFiled: November 16, 2006Date of Patent: May 5, 2009Assignee: Wonderland Nurserygoods Co., LtdInventors: Shun-Min Chen, Zheng-Wen Guo, Ze-hua Yi
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Publication number: 20080303232Abstract: A seat assembly mechanism for a stroller has a seat frame and a main frame. The seat assembly mechanism includes a positioning device and a seat supporting member. The positioning device is disposed on the seat frame and includes a positioning pin movable between a locking position and a releasing position. The seat supporting member is disposed on the main frame, and includes a positioning-device recipient corresponding to the positioning device and a positioning groove located at a side of the positioning-device recipient. Furthermore, the positioning device is detachably assembled to the seat supporting member, and the positioning pin inserts into the positioning groove when the positioning device is disposed in the positioning-device recipient of the seat supporting member for assembling the seat frame to the main frame.Type: ApplicationFiled: June 6, 2008Publication date: December 11, 2008Inventors: Shun-Min Chen, Ze-Hua Yi
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Publication number: 20080115269Abstract: A fastener system is implemented to assemble a fabric element with a frame structure of a nursery device for supporting a baby occupant. The fastener system includes a first connecting structure joined with the fabric element and configured to complementarily mate with a second connecting structure having a protrusion extending along a support beam of the frame structure. The first connecting structure includes a flat affixing portion joined with an edge of the fabric element, and an engaging catch linked with the affixing portion through a joint portion. The second connecting structure complementarily mates within the engaging catch of the first connecting structure to fasten the fabric element with the support beam.Type: ApplicationFiled: November 16, 2006Publication date: May 22, 2008Inventors: Shun-Min Chen, Zheng-Wen Guo, Ze-hua Yi