Patents by Inventor Junpeng Wei

Junpeng Wei 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: 12257679
    Abstract: A nail gun with a hidden nail head structure includes a gun body, a nail magazine, and a nail head located at the nail exit of the nail magazine. The nail magazine is a component for supplying nails, and the gun body is a component for striking nails. The gun body has a connecting part extending towards the nail exit. The nail head is fixedly connected to the nail magazine on both sides by fasteners, and the upper part of the nail head is fixed to the connecting part by fasteners, realizing the hidden installation of the nail head. By adopting an insertion-type installation method, the nail head is hidden, making the overall appearance of the nail gun more elegant and attractive, with convenient assembly and connection, a more stable structure, simplified nail head structure, more convenient processing of components, and reduced manufacturing costs.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: March 25, 2025
    Assignee: Zhejiang Rongpeng Air Tools Co., Ltd.
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Patent number: 12246423
    Abstract: A locking device for adjusting the nailing force of an electric nailing gun, comprising a power box, a driving motor provided inside the power box, an upper cylinder configured on the right side of the power box, a lower cylinder located right beneath the upper cylinder. The driving motor is connected with a connecting arm via a reducing mechanism. The end part of the connecting arm is configured with an eccentric spindle. A lower piston is provided inside the lower cylinder. The lower piston is hinged with a piston arm. The piston arm is connected to the eccentric spindle. An upper piston is configured inside the upper cylinder. The center of the left sidewall of the upper piston is configured with a firing pin. The left end of the firing pin sticks out of the upper cylinder.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: March 11, 2025
    Assignee: Zhejiang Rongpeng Air Tools Co., Ltd.
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Publication number: 20240246213
    Abstract: A locking device for adjusting the nailing force of an electric nailing gun, comprising a power box, a driving motor provided inside the power box, an upper cylinder configured on the right side of the power box, a lower cylinder located right beneath the upper cylinder. The driving motor is connected with a connecting arm via a reducing mechanism. The end part of the connecting arm is configured with an eccentric spindle. A lower piston is provided inside the lower cylinder. The lower piston is hinged with a piston arm. The piston arm is connected to the eccentric spindle. An upper piston is configured inside the upper cylinder. The center of the left sidewall of the upper piston is configured with a firing pin. The left end of the firing pin sticks out of the upper cylinder.
    Type: Application
    Filed: November 3, 2021
    Publication date: July 25, 2024
    Applicant: ZHEJIANG RONGPENG AIR TOOLS CO. Ltd.
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Publication number: 20240208016
    Abstract: A nail gun with a hidden nail head structure includes a gun body, a nail magazine, and a nail head located at the nail exit of the nail magazine. The nail magazine is a component for supplying nails, and the gun body is a component for striking nails. The gun body has a connecting part extending towards the nail exit. The nail head is fixedly connected to the nail magazine on both sides by fasteners, and the upper part of the nail head is fixed to the connecting part by fasteners, realizing the hidden installation of the nail head. By adopting an insertion-type installation method, the nail head is hidden, making the overall appearance of the nail gun more elegant and attractive, with convenient assembly and connection, a more stable structure, simplified nail head structure, more convenient processing of components, and reduced manufacturing costs.
    Type: Application
    Filed: April 24, 2023
    Publication date: June 27, 2024
    Applicant: Zhejiang Rongpen Air Tools Co, Ltd.
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Patent number: 11802660
    Abstract: An easy grease filling machine is disclosed. The grease filling machine comprises a drum cover, a pump body that goes through the drum cover, a grease pressing disc fitted on the pump body. The periphery of the drum cover is configured with a quick locking mechanism compatible to the rim of the grease packing drum and fixed with the drum body, and is matched by a grease pressing disc with its size automatically changeable when it moves up or down inside the drum body based on the different diameters of the drum body from bottom to top. The grease pressing disc comprises a disc body and a grease scraping skirt configured on the outer periphery of the disc body with its cross section shaped like an inverted V.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: October 31, 2023
    Assignee: Zhejiang Rongpeng Air Tools Co., Ltd.
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Publication number: 20230258297
    Abstract: An easy grease filling machine is disclosed. The grease tilling machine comprises a drum cover, a pump body that goes through the drum cover, a grease pressing disc fitted on the pump body. The periphery of the drum cover is configured with a quick locking mechanism compatible to the rim of the grease packing drum and fixed with the drum body, and is matched by a grease pressing disc with its size automatically changeable when it moves up or down inside the drum body based on the different diameters of the drum body from bottom to top. The grease pressing disc comprises a disc body and a grease scraping skirt configured on the outer periphery of the disc body with its cross section shaped like an inverted V.
    Type: Application
    Filed: July 22, 2022
    Publication date: August 17, 2023
    Inventors: Zhenxing Yin, Junpeng Wei, Zhenhui Chen, Xiaorong Li, Fazheng Yang
  • Patent number: 10710105
    Abstract: A disposable cleaning-free paint pot comprise a pot body and a pot lid covering an opening of the pot body, the pot lid including a pot lid connector and a feed hole disposed in the pot lid connector, the adapter including an external thread disposed at an outer wall, positioning blocks disposed at an inner wall thereof, a press plate and a clamping cam; the pot lid joint is including positioning slots engaging with the positioning blocks and an annular groove for the clamping cam. The paint pot from cleaning after spray coating, the cleanliness of paint pot is guaranteed, so that the paint pot is fitted on spray gun rapidly, and the paint can be mixed in the pot body.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 14, 2020
    Assignee: Zhejiang Rongpeng Air Tools Co., Ltd.
    Inventors: Xiaorong Li, Zhenxing Ying, Bo Chen, Junpeng Wei, Fazheng Yang
  • Publication number: 20200001312
    Abstract: A reciprocating plunger pump for spray coater which is capable of being assembled and disassembled quickly comprises a housing, a piston located in the housing and a plunger pump assembly connected to the piston. A mounting groove is located in the housing. The bottom of the mounting groove is provided with a holding opening through to it. The holding opening and the mounting groove opening are intersecting and interpenetrating. The inner wall of the mounting groove is provided with a U-shaped chucking step. One end of the piston is located in the mounting groove and provided with a connecting slot, the connecting slot is T-shaped. One side of the connecting slot is provided with an opening. The plunger pump assembly is provided with a piston rod. The end of the piston rod is I-shaped.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 2, 2020
    Inventors: Zhenxing Yin, Jiangguo Liu, Bo Chen, Junpeng Wei, Fazheng Yang, Xiaorong Li
  • Publication number: 20190126300
    Abstract: A disposable cleaning-free paint pot comprise a pot body and a pot lid covering an opening of the pot body, the pot lid including a pot lid connector and a feed hole disposed in the pot lid connector, the adapter including an external thread disposed at an outer wall, positioning blocks disposed at an inner wall thereof, a press plate and a clamping cam; the pot lid joint is including positioning slots engaging with the positioning blocks and an annular groove for the clamping cam. The paint pot from cleaning after spray coating, the cleanliness of paint pot is guaranteed, so that the paint pot is fitted on spray gun rapidly, and the paint can be mixed in the pot body.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 2, 2019
    Inventors: Xiaorong Li, Zhenxing Ying, Bo Chen, Junpeng Wei, Fazheng Yang
  • Patent number: D943710
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 15, 2022
    Assignee: Zhejiang Rongpeng Air Tools Co., Ltd.
    Inventors: Zhenxing Ying, Hai Wu, Junpeng Wei, Xiaorong Li, Fazheng Yang