Patents by Inventor Zhanzheng LV
Zhanzheng LV 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: 11944199Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.Type: GrantFiled: August 18, 2023Date of Patent: April 2, 2024Assignee: REMACRO TECHNOLOGY CO., LTD.Inventors: Xiaohong Li, Yuankun Li, Zhanzheng Lv, Haibo Wang
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Publication number: 20240090668Abstract: A linkage device for implementing no backrest clearance, a supporting frame, a seat unit, and a seat, including a bottom base, a linkage mechanism, a support side plate, and a backrest mechanism; the support side plate is provided with a side plate linkage point and a backrest point; the support side plate is rotatably connected to the linkage mechanism at the side plate linkage point; the support side plate is rotatably connected to the backrest mechanism at the backrest point; the backrest mechanism includes a backrest mounting member and a backrest linkage member; and when the backrest mechanism is retracted to an ultimate position, an included angle ? between a connecting line between two ends of the backrest mounting member and a connecting line between the backrest point and the side plate linkage point is an acute angle.Type: ApplicationFiled: November 30, 2023Publication date: March 21, 2024Inventors: Xiaohong Li, Yuankun Li, Chen Chen, Xiaochun Lei, Zhanzheng Lv
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Publication number: 20230389705Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.Type: ApplicationFiled: August 18, 2023Publication date: December 7, 2023Applicant: REMACRO TECHNOLOGY CO., LTD.Inventors: Xiaohong LI, Yuankun LI, Zhanzheng LV, Haibo WANG
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Publication number: 20230232986Abstract: An extendable seating interconnected mechanism and a seating supporting frame, including an interconnected assembly, a seating frame, and a backrest mount, wherein the backrest mount is rotatably connected to the interconnected assembly and the seating frame, respectively; the interconnected assembly includes a mounting plate and a driving link, wherein the mounting plate includes a lateral-plate part and a supporting part; the driving link is rotatably connected between the seating frame and the lateral-plate part; an end of the supporting part is connected to the lateral-plate part; and an opposite end of the supporting part is rotatably connected to the backrest mount.Type: ApplicationFiled: March 30, 2023Publication date: July 27, 2023Applicant: Remacro Technology Co., Ltd.Inventors: Xiaohong Li, Xiaoqiang Zhang, Zhanzheng Lv
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Publication number: 20230232983Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.Type: ApplicationFiled: February 20, 2023Publication date: July 27, 2023Applicant: REMACRO TECHNOLOGY CO., LTD.Inventors: Xiaohong LI, Yuankun LI, Zhanzheng LV, Haibo WANG
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Patent number: 11700942Abstract: A mechanically stretchable apparatus for a sofa and a sofa thereof are provided. The mechanically stretchable apparatus includes: a seat component, a linkage component, a back component and a leg component. The seat component further includes a base, a first rotating part, the second rotating part, and the seat linkage structure placed between the first and second rotating parts. The seat linkage structure includes a back linkage with a seat connection point, a transmission connection point, and a back connection point. The seat connection point is connected to the first rotating part. The back connection point is connected to the back component. The back component and the leg component are respectively connected to the linkage component, and the linkage component is connected to the seat linkage structure.Type: GrantFiled: November 1, 2021Date of Patent: July 18, 2023Assignee: Remacro Technology Co., Ltd.Inventors: Xiaohong Li, Yuankun Li, Haibo Wang, Zhanzheng Lv
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Publication number: 20230127846Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.Type: ApplicationFiled: August 4, 2022Publication date: April 27, 2023Applicant: REMACRO MACHINERY & TECHNOLOGY CO., LTD.Inventors: Xiaohong LI, Yuankun LI, Zhanzheng LV, Haibo WANG
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Patent number: 11452378Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.Type: GrantFiled: November 5, 2021Date of Patent: September 27, 2022Inventors: Xiaohong Li, Yuankun Li, Zhanzheng Lv, Haibo Wang
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Publication number: 20220047080Abstract: A mechanically stretchable apparatus for a sofa and a sofa thereof are provided. The mechanically stretchable apparatus includes: a seat component, a linkage component, a back component and a leg component. The seat component further includes a base, a first rotating part, the second rotating part, and the seat linkage structure placed between the first and second rotating parts. The seat linkage structure includes a back linkage with a seat connection point, a transmission connection point, and a back connection point. The seat connection point is connected to the first rotating part. The back connection point is connected to the back component. The back component and the leg component are respectively connected to the linkage component, and the linkage component is connected to the seat linkage structure.Type: ApplicationFiled: November 1, 2021Publication date: February 17, 2022Applicant: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) CO., LTD.Inventors: Xiaohong LI, Yuankun LI, Haibo WANG, Zhanzheng LV