Patents by Inventor Jianqiang FANG

Jianqiang FANG 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: 11969138
    Abstract: Disclosed is a linkage limiting assembly applied in a vacuum cleaner, which is mounted within a frame of the vacuum cleaner. The linkage limiting assembly includes a triggering button arranged at the rear end of the frame, a pushing member configured to push an electric fan assembly or a dust barrel of the vacuum cleaner upwards, a limiting member configured to limit the maximum stroke of the electric fan assembly or the dust barrel, and a linking member connecting the triggering button with the limiting member in a force transmission manner.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: April 30, 2024
    Assignee: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventors: Jianqiang Fang, Jianming Zheng, Wenxian Wu
  • Patent number: 11918169
    Abstract: A handheld vacuum cleaner includes a frame, and a dust barrel and a locking portion mounted on the frame, wherein a front end of the dust barrel and the locking portion are movable relative to each other and are arranged opposite to each other; the dust barrel has a rotatable front cover at a front side thereof; and when the locking portion and the dust barrel move with respect to each other, the front cover is automatically rotatable to open, or close on the front side of the dust barrel due to limit by the locking portion.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 5, 2024
    Assignee: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventors: Jianqiang Fang, Jianming Zheng, Wenxian Wu
  • Publication number: 20230157511
    Abstract: A mop unit lifting device and a cleaning machine are provided. The mop unit lifting device includes a mop unit, a lifting mechanism for lifting the mop unit; and a driving mechanism for driving the mop unit to rotate. The driving mechanism is a first driving mechanism that is configured not to be lifted together with the mop unit, and the lifting mechanism and the mop unit are formed in one piece or separate pieces; or the driving mechanism is a second driving mechanism that is configured to be lifted together with the mop unit, and the lifting mechanism and the mop unit are formed in separate pieces.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 25, 2023
    Inventors: Jianqiang Fang, Xu Wang
  • Publication number: 20230142075
    Abstract: A liftable and rotatable mop structure and a cleaning machine are provided. The liftable and rotatable mop structure includes a mop unit which includes a mop, a turntable and a rotatable shaft, wherein the mop is connected with the turntable, and the rotatable shaft is connected with the turntable; the rotatable shaft functions to lift the turntable and drive the turntable to rotate, and includes an inner shaft and an outer shaft surrounding the inner shaft; a limiting structure is arranged between the inner shaft and the outer shaft so that the inner shaft and the outer shaft are movable relative to each other in an axial direction but are limited in a circumferential direction.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 11, 2023
    Inventors: Jianqiang Fang, Xu Wang
  • Patent number: 11523726
    Abstract: The present disclosure discloses a floor cleaning apparatus, comprises a cleaning robot and a washing base, and the cleaning robot comprises a robot main body and a mop assembly; the mop assembly is provided with a turntable-type mop mechanism able to stretch out downwards; the washing base comprises an outer container, a rinse tank and a solution-feeding mechanism. In the technical scheme disclosed, the automatic floor cleaning and finishing cloth washing are achieved so as to realize intelligent automatic cleaning, effectively removing dirt attached to the finishing cloth automatically, and freeing from artificially detaching and then washing the finishing cloth stained with dirt, automatically performing washing operation, and greatly alleviating operation burden of a user. Meanwhile, with the structure of the finishing cloth with a lifting structure, secondary pollution caused by the finishing cloth is avoided.
    Type: Grant
    Filed: March 15, 2020
    Date of Patent: December 13, 2022
    Assignee: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventor: Jianqiang Fang
  • Publication number: 20220378267
    Abstract: The present disclosure discloses an automated cleaning robot which includes a robot body capable of realizing automatic walking and a mop mechanism provided at a rear end of the robot body. The mop mechanism includes a mount support rotatably connected to the robot body, a rotation component received in and rotatably connected to the mount support, a crawler-type wiping cloth sleeving outside the rotation component, and a lifting mechanism being in transmission connection with the mount support, for driving a rear end of the mount support to ascend or descend relative to a front end of the mount support.
    Type: Application
    Filed: August 9, 2022
    Publication date: December 1, 2022
    Inventor: JIANQIANG FANG
  • Publication number: 20220322897
    Abstract: A handheld vacuum cleaner includes a frame, and a dust barrel and a locking portion mounted on the frame, wherein a front end of the dust barrel and the locking portion are movable relative to each other and are arranged opposite to each other; the dust barrel has a rotatable front cover at a front side thereof; and when the locking portion and the dust barrel move with respect to each other, the front cover is automatically rotatable to open, or close on the front side of the dust barrel due to limit by the locking portion.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 13, 2022
    Inventors: JIANQIANG FANG, JIANMING ZHENG, WENXIAN WU
  • Publication number: 20220313039
    Abstract: Disclosed is a linkage limiting assembly applied in a vacuum cleaner, which is mounted within a frame of the vacuum cleaner. The linkage limiting assembly includes a triggering button arranged at the rear end of the frame, a pushing member configured to push an electric fan assembly or a dust barrel of the vacuum cleaner upwards, a limiting member configured to limit the maximum stroke of the electric fan assembly or the dust barrel, and a linking member connecting the triggering button with the limiting member in a force transmission manner.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 6, 2022
    Inventors: JIANQIANG FANG, JIANMING ZHENG, WENXIAN WU
  • Patent number: 11426048
    Abstract: The present disclosure discloses an automated floor cleaning apparatus, has an automatic cleaning robot and a washing base; the rear end of the robot body of the automatic cleaning robot is provided with a mop mechanism, the mop mechanism comprises a rotation component rotatably connected to the robot body and a crawler-type wiping cloth sleeving outside and rotating along with the rotation component. The invention provides can automatically and effectively removes dirt attached to the crawler-type wiping cloth, avoiding artificial detaching and then cleaning the wiping cloth stained with dirt, automatically performing washing operation, greatly alleviating operation burden of a user, and having a good floor sweeping effect.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: August 30, 2022
    Inventor: Jianqiang Fang
  • Publication number: 20200297179
    Abstract: The present disclosure discloses a floor cleaning apparatus, comprises a cleaning robot and a washing base, and the cleaning robot comprises a robot main body and a mop assembly; the mop assembly is provided with a turntable-type mop mechanism able to stretch out downwards; the washing base comprises an outer container, a rinse tank and a solution-feeding mechanism. In the technical scheme disclosed, the automatic floor cleaning and finishing cloth washing are achieved so as to realize intelligent automatic cleaning, effectively removing dirt attached to the finishing cloth automatically, and freeing from artificially detaching and then washing the finishing cloth stained with dirt, automatically performing washing operation, and greatly alleviating operation burden of a user. Meanwhile, with the structure of the finishing cloth with a lifting structure, secondary pollution caused by the finishing cloth is avoided.
    Type: Application
    Filed: March 15, 2020
    Publication date: September 24, 2020
    Inventor: Jianqiang FANG
  • Publication number: 20200196817
    Abstract: The present disclosure discloses an automated floor cleaning apparatus, has an automatic cleaning robot and a washing base; the rear end of the robot body of the automatic cleaning robot is provided with a mop mechanism, the mop mechanism comprises a rotation component rotatably connected to the robot body and a crawler-type wiping cloth sleeving outside and rotating along with the rotation component. The invention provides can automatically and effectively removes dirt attached to the crawler-type wiping cloth, avoiding artificial detaching and then cleaning the wiping cloth stained with dirt, automatically performing washing operation, greatly alleviating operation burden of a user, and having a good floor sweeping effect.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Inventor: JIANQIANG FANG
  • Patent number: 9999330
    Abstract: A roller brush assembly comprises a roller and a brush set on the roller. The roller contains an interior cavity constituted by at least two barrel bodies. Each portion of the barrel body edge is serrated shaped, and the adjacent serrated-shaped portions of the barrel both form a blade slot for positioning the serrated-shaped blade, and the blade edge corresponds to the teeth on the serrated shaped edge. A driver unit is installed in the interior cavity to make the blade move along the roller axially to cut the wrapped in the tooth groove automatically when the roller brush is turned on and off.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: June 19, 2018
    Assignee: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventor: Jianqiang Fang
  • Publication number: 20170311767
    Abstract: A roller brush assembly comprises a roller and a brush set on the roller. The roller contains an interior cavity constituted by at least two barrel bodies. Each portion of the barrel body edge is serrated shaped, and the adjacent serrated-shaped portions of the barrel both form a blade slot for positioning the serrated-shaped blade, and the blade edge corresponds to the teeth on the serrated shaped edge. A driver unit is installed in the interior cavity to make the blade move along the roller axially to cut the wrapped in the tooth groove automatically when the roller brush is turned on and off.
    Type: Application
    Filed: December 13, 2016
    Publication date: November 2, 2017
    Applicant: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventor: Jianqiang FANG
  • Patent number: D1007056
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: December 5, 2023
    Assignee: NINGBO FUJIA INDUSTRIAL CO., LTD.
    Inventors: Yuedan Wang, Jianqiang Fang, Dai Mao