Patents by Inventor Wanquan ZHU

Wanquan ZHU 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).

  • Publication number: 20240124043
    Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Leilei ZHENG, Zheng-Wen GUO, Er Xue WANG, Mingxing SUN, Shoufeng HU, Wanquan ZHU
  • Publication number: 20240109577
    Abstract: According to the application, a handrail mechanism for a baby carriage includes: a shell having an accommodating space; a handrail connecting part having a free end and a pivotal end, the pivotal end being pivotally connected to the shell; and an elastic member arranged in the accommodating space of the shell, the elastic member having one end connected to the shell, and the other end connected to the handrail connecting part. Among them, the handrail connecting part is able to be pivoted between a bounced up position and a pressed down position, the free end of the handrail connecting part is away from the shell in the bounced up position and is close the shell in the pressed down position, the elastic member is arranged to bias the handrail connecting part toward the bounced up position, and when an external force is applied to overcome an action of the elastic member, the handrail connecting part is able to be pivoted from the bounced up position to the pressed down position.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 4, 2024
    Applicant: WONDERLAND SWITZERLAND AG
    Inventors: Liwu FANG, Wanquan ZHU, Zhengwen GUO
  • Publication number: 20240067251
    Abstract: What is disclosed is a baby carrier, including a frame body and a locking mechanism. The frame body is configured to be selectively folded or unfolded, and includes a rod and a pivotable joint-component. The rod is connected to the joint-component, and a pivot of the joint-component is configured to deviate from a connection between the rod and the joint-component. The locking mechanism is slidably arranged on the rod, and is movable between a locking position restricting pivoting of the joint-component and a releasing position allowing the pivoting of the joint-component.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 29, 2024
    Inventor: Wanquan ZHU
  • Publication number: 20240034382
    Abstract: A stroller includes a frame, a sliding member and a seat fixing base. The sliding member is rotatably connected to the frame. The seat fixing base is rotatably connected to the frame and slidably connected to the sliding member. When the frame is folded, the frame drives the seat fixing base to slide with respect to the sliding member.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 1, 2024
    Applicant: Wonderland Switzerland AG
    Inventor: Wanquan Zhu
  • Publication number: 20230406390
    Abstract: Disclosed is a wheel set brake mechanism, including: a drive member mounted on the movable frame; and a brake assembly including a drive pin, a traction member and a locking member, wherein the drive pin is operably connected to the drive member, the traction member includes a first cable and a second cable, a first end of the first cable is connected to the drive pin, a second end of the first cable extends into an inner cavity of the hollow shaft to be rotatably connected to a first end of the second cable, and a second end of the second cable is connected to the locking member. The drive member is configured to drive the drive pin to slide so that the traction member causes the locking member to slide to lock the wheel.
    Type: Application
    Filed: October 22, 2021
    Publication date: December 21, 2023
    Inventors: Wanquan ZHU, Zhengwen GUO
  • Patent number: 11827266
    Abstract: Disclosed is a braking mechanism for locking a wheel of a baby carriage. The braking mechanism includes a driving member and a locking member. The driving member is pivotally connected to a wheel seat of a frame of the baby carriage, a guiding opening is arranged in the wheel seat, an engaging part is arranged on a side surface of a hub of the wheel, a driving slot is arranged in the driving member, one end of the locking member is slidably arranged in the driving slot, and another end of the locking member is configured to slidably pass through the guiding opening, so that when the driving member rotates, the driving member drives the locking member to engage with the engaging part or disengage from the engaging part. In addition, the present invention further discloses a baby carriage.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: November 28, 2023
    Assignee: WONDERLAND SWITZERLAND AG
    Inventor: Wanquan Zhu
  • Patent number: 11820415
    Abstract: A stroller includes a frame, a sliding member and a seat fixing base. The frame includes a front linkage rod and a transverse rod. The transverse rod is disposed with respect to the front linkage rod. The sliding member is rotatably connected between the transverse rod and the front linkage rod. The seat fixing base is rotatably connected to the transverse rod or the front linkage rod and slidably connected to the sliding member. When the frame is folded, the front linkage rod and the transverse rod move away from each other, such that the seat fixing base slides with respect to the sliding member.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: November 21, 2023
    Assignee: Wonderland Switzerland AG
    Inventor: Wanquan Zhu
  • Publication number: 20230234629
    Abstract: The disclosure provides a baby carriage brake mechanism and a baby carriage. The baby carriage brake mechanism includes a frame, a brake drive assembly, linkage assemblies, brake locks and wheels. The brake drive assembly is disposed on the frame. The linkage assemblies are respectively slidably disposed on the frame on both of left and right sides. Both ends of the brake drive assembly are respectively in abutting connection with the two linkage assemblies. The linkage assemblies are coupled to the brake locks. Two wheels are respectively pivotally disposed at both sides of the frame. By driving the brake drive assembly to push the linkage assemblies to act with the brake locks, the brake locks on both sides are engaged with the wheels, thereby locking the wheels on both sides. Therefore, the baby carriage brake mechanism of the disclosure may brake wheels on both sides simultaneously with simple operation.
    Type: Application
    Filed: March 30, 2023
    Publication date: July 27, 2023
    Inventors: Zhengwen GUO, Wanquan ZHU
  • Publication number: 20230159078
    Abstract: A foldable locking mechanism (300,500) adapted for a frame body (400) includes a first mounting seat (1), a second mounting seat (2), a third mounting seat (4), a first locking component (3) and a driving component (1a,2a). The second mounting seat (2) is pivotally connected to the first mounting seat (1) and the third mounting seat (4). The first locking component (3) is at least partially disposed between the second mounting seat (2) and the third mounting seat (4) and movable between a first releasing position and a first locking position for allowing or restraining a relative pivotal movement of the second mounting seat (2) and the third mounting seat (4). The driving component (1a,2a) is disposed on the first mounting seat (1) and abuts against the first locking component (3).
    Type: Application
    Filed: April 8, 2021
    Publication date: May 25, 2023
    Applicant: WONDERLAND SWITZERLAND AG
    Inventors: Wanquan ZHU, Jialiang YUAN
  • Patent number: 11643128
    Abstract: The disclosure provides a baby carriage brake mechanism and a baby carriage. The baby carriage brake mechanism includes a frame, a brake drive assembly, linkage assemblies, brake locks and wheels. The brake drive assembly is disposed on the frame. The linkage assemblies are respectively slidably disposed on the frame on both of left and right sides. Both ends of the brake drive assembly are respectively in abutting connection with the two linkage assemblies. The linkage assemblies are coupled to the brake locks. Two wheels are respectively pivotally disposed at both sides of the frame. By driving the brake drive assembly to push the linkage assemblies to act with the brake locks, the brake locks on both sides are engaged with the wheels, thereby locking the wheels on both sides. Therefore, the baby carriage brake mechanism of the disclosure may brake wheels on both sides simultaneously with simple operation.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: May 9, 2023
    Assignee: WONDERLAND SWITZERLAND AG
    Inventors: Zhengwen Guo, Wanquan Zhu
  • Publication number: 20230060708
    Abstract: A foldable backrest structure (50) adapted for a frame (40) of a child carrier (100), includes a backrest (30), a releasing mechanism (20) and a trigger (10). The backrest (30) is pivoted to the frame (40). The releasing mechanism (20) is disposed between the backrest (30) and the frame (40). The releasing mechanism (20) includes a first abutting component (22). The trigger (10) is disposed on the frame (40) and for slidably abutting against the first abutting component (22) to drive the releasing mechanism (20) to release the backrest (30), so as to allow the backrest (30) to be folded together with the frame (40) when the frame (40) is being folded. The foldable backrest structure (50) of the present invention has advantages of simple structure, easy operation and low manufacturing cost. Besides, the present invention further discloses a child carrier (100) including the aforementioned foldable backrest structure (50).
    Type: Application
    Filed: January 15, 2021
    Publication date: March 2, 2023
    Applicant: Wonderland Switzerland AG
    Inventors: Wanquan Zhu, Hongbin Xu, Zhengwen Guo
  • Publication number: 20230059506
    Abstract: An anti-shimmy device (200A,200B,200C,200D,200E,200F,200G,200H) is adapted for a wheel (102A,102B,102C,102D,102E,102F,102G,102H) of a child carrier (100A,100B,100C,100D,100E,100F,100G,100H). The anti-shimmy device (200A,200B,200C,200D,200E,200F,200G,200H) includes a connecting base (210A,210B,210C,210D,210E,210F,210G,210H), a wheel base (220A,220B,220C,220D,220E,220F,220G,220H), a spindle component (230A,230B,230C,230D,230E,230F,230G,230H) and a restraining mechanism (240A,240B,240C,240D,240E,240F,240G,240H). The connecting base (210A,210B,210C,210D,210E,210F,210G,240H) is connected to a frame (101A,101B,101C,101D,101E,101G,101H) of the child carrier (100A,100B,100C,100D,100E,100F,100G,100H). The wheel base (220A,220B,220C,220D,220E,220F,220G,220H) is connected to the wheel (102A,102B,102C,102D,102E,102F,102G,102H) of the child carrier (100A,100B,100C,100D,100E,100F,100G,100H).
    Type: Application
    Filed: December 14, 2020
    Publication date: February 23, 2023
    Applicant: WONDERLAND SWITZERLAND AG
    Inventors: HaiTao WU, Wanquan ZHU, Leilei ZHENG, Er-Xue WANG, Hai-Bo ZENG
  • Publication number: 20220402538
    Abstract: A stroller includes a frame, a sliding member and a seat fixing base. The frame includes a front linkage rod and a transverse rod. The transverse rod is disposed with respect to the front linkage rod. The sliding member is rotatably connected between the transverse rod and the front linkage rod. The seat fixing base is rotatably connected to the transverse rod or the front linkage rod and slidably connected to the sliding member. When the frame is folded, the front linkage rod and the transverse rod move away from each other, such that the seat fixing base slides with respect to the sliding member.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 22, 2022
    Applicant: Wonderland Switzerland AG
    Inventor: Wanquan Zhu
  • Publication number: 20220402539
    Abstract: A seat includes a seat plate, a first backrest support member, a second backrest support member, a third backrest support member, a first sliding sleeve and a second sliding sleeve. The second backrest support member is telescopically connected to the first backrest support member. The third backrest support member is telescopically connected to the second backrest support member and pivotally connected to the seat plate. The first sliding sleeve is disposed on the first backrest support member. The second sliding sleeve is disposed on the second backrest support member. The first backrest support member, the second backrest support member and the third backrest support member are able to slide with respect to each other to be folded or unfolded. The first sliding sleeve slides as the first backrest support member slides, and the second sliding sleeve slides as the second backrest support member slides.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Applicant: Wonderland Switzerland AG
    Inventor: Wanquan Zhu
  • Patent number: 11325632
    Abstract: A rod locking mechanism includes a central hub, a first rod component and a locking component. The first rod component is pivotally connected to the central hub. The first rod component includes an abutting portion. The abutting portion is movable between a first position and a second position when the first rod component pivots relative to the central hub. The locking component is movably disposed on the central hub. The abutting portion is located at a first side of the locking component when the abutting portion is located at the first position. The abutting portion drives the locking component to move when the abutting portion moves from the first position toward the second position, and the abutting portion abuts against a second side of the locking component opposite to the first side of the locking component when the abutting portion is located at the second position.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: May 10, 2022
    Assignee: Wonderland Switzerland AG
    Inventor: Wanquan Zhu
  • Publication number: 20220135106
    Abstract: Disclosed is a braking mechanism for locking a wheel of a baby carriage. The braking mechanism includes a driving member and a locking member. The driving member is pivotally connected to a wheel seat of a frame of the baby carriage, a guiding opening is arranged in the wheel seat, an engaging part is arranged on a side surface of a hub of the wheel, a driving slot is arranged in the driving member, one end of the locking member is slidably arranged in the driving slot, and another end of the locking member is configured to slidably pass through the guiding opening, so that when the driving member rotates, the driving member drives the locking member to engage with the engaging part or disengage from the engaging part. In addition, the present invention further discloses a baby carriage.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Inventor: Wanquan ZHU
  • Publication number: 20220009538
    Abstract: The disclosure provides a baby carriage brake mechanism and a baby carriage. The baby carriage brake mechanism includes a frame, a brake drive assembly, linkage assemblies, brake locks and wheels. The brake drive assembly is disposed on the frame. The linkage assemblies are respectively slidably disposed on the frame on both of left and right sides. Both ends of the brake drive assembly are respectively in abutting connection with the two linkage assemblies. The linkage assemblies are coupled to the brake locks. Two wheels are respectively pivotally disposed at both sides of the frame. By driving the brake drive assembly to push the linkage assemblies to act with the brake locks, the brake locks on both sides are engaged with the wheels, thereby locking the wheels on both sides. Therefore, the baby carriage brake mechanism of the disclosure may brake wheels on both sides simultaneously with simple operation.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Applicant: WONDERLAND SWITZERLAND AG
    Inventors: Zhengwen GUO, Wanquan ZHU
  • Publication number: 20210016818
    Abstract: A rod locking mechanism includes a central hub, a first rod component and a locking component. The first rod component is pivotally connected to the central hub. The first rod component includes an abutting portion. The abutting portion is movable between a first position and a second position when the first rod component pivots relative to the central hub. The locking component is movably disposed on the central hub. The abutting portion is located at a first side of the locking component when the abutting portion is located at the first position. The abutting portion drives the locking component to move when the abutting portion moves from the first position toward the second position, and the abutting portion abuts against a second side of the locking component opposite to the first side of the locking component when the abutting portion is located at the second position.
    Type: Application
    Filed: July 13, 2020
    Publication date: January 21, 2021
    Inventor: Wanquan Zhu
  • Publication number: 20200391783
    Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Leilei ZHENG, Zheng-Wen GUO, Er Xue WANG, Mingxing SUN, Shoufeng HU, Wanquan ZHU
  • Patent number: D971795
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: December 6, 2022
    Assignee: Wonderland Switzerland AG
    Inventors: Martijn Hans Van Gelderen, Wanquan Zhu, Qingmei Tan