Patents by Inventor Hung-Chih Hung

Hung-Chih Hung 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: 10668498
    Abstract: A caulking gun is provided, including: a gun body, a push rod, a driving member, a lever and a rotation connecting mechanism. The push rod is movably disposed on the gun body. The driving member is movably disposed within the gun body and frictionally drives the push rod. The lever is swingably disposed on the gun body and includes an abutting portion which is abuttable against the driving member. The rotation connecting mechanism connects the lever and the gun body and includes an axis with a position thereof being changeable. The lever is rotatable about the axis as a rotation center. A method for using the caulking gun as described above is further provided, including following steps of: installing a caulk cartridge to the gun body; adjusting the position of the axis of the rotation connecting mechanism; pressing the lever.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: June 2, 2020
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Publication number: 20200070199
    Abstract: A caulking gun includes a gun body, a swinging member, a push rod, driving member and an abutting member. The gun body includes a side wall. The side wall has a penetrated portion. The penetrated portion defines an axial direction. The swinging member is swingably disposed on the gun body. The push rod is axially movably, disposed through the penetrated portion and the swinging member. The driving member is movably disposed in the gun body, and the driving member and the swinging member are located at two sides of the side wall respectively. The push rod is frictionally drivable by the driving member. The abutting member is axially movably disposed through the penetrated portion. The abutting member is disposed circumferentially around the push rod less than 360 degrees. Two ends of the abutting member are axially abuttable against the driving member and the swinging member respectively.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 5, 2020
    Inventor: Hung-Chih HUNG
  • Patent number: 10569295
    Abstract: A caulking gun includes a gun body, a swinging member, a push rod, driving member and an abutting member. The gun body includes a side wall. The side wall has a penetrated portion. The penetrated portion defines an axial direction. The swinging member is swingably disposed on the gun body. The push rod is axially movably, disposed through the penetrated portion and the swinging member. The driving member is movably disposed in the gun body, and the driving member and the swinging member are located at two sides of the side wall respectively. The push rod is frictionally drivable by the driving member. The abutting member is axially movably disposed through the penetrated portion. The abutting member is disposed circumferentially around the push rod less than 360 degrees. Two ends of the abutting member are axially abuttable against the driving member and the swinging member respectively.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: February 25, 2020
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: 10272466
    Abstract: A caulking gun is provided, including: a gun body, including a cartridge holder, the cartridge holder being adapted for receiving a caulk cartridge; a pushing rod, movably assembled to the gun body and extending into the cartridge holder, the pushing rod having a pushing portion which is movable within the cartridge holder and is adapted for pushing the caulk cartridge, and a hook pull portion connected with the pushing portion, the hook pull portion including a first hook portion and a second hook portion, at least one of the first hook portion and the second hook portion being movable to the other of the first hook portion and the second hook portion.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 30, 2019
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: 10201829
    Abstract: A caulking gun includes a carrier for carrying a caulk cartridge, an assembly for the carrier, a gun body and a push rod. The assembly is for disposing between the gun body and the carrier and includes a seat portion and a spacing portion. The seat portion includes a seat wall for being connected between the gun body and the carrier. The spacing portion includes an annular projection portion configured to be abutted between the gun body and the carrier in a manner that the gun body and the carrier are rotatable relative to each other. The carrier is rotatably connected with the gun body through the assembly, and the carrier is rotatable relative to the annular projection portion. The push rod is movably connected to the gun body and disposed through the assembly, and extends into the carrier.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 12, 2019
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Publication number: 20180318870
    Abstract: A caulking gun is provided, including a gun body; a carrier, rotatably assembled to the gun body, the carrier having a receiving room and a through opening which is communicated axially with the receiving room, the receiving room having an opening which is open radially outwardly, the receiving room being adapted for receiving a caulk cartridge; a first sleeve, disengageably attached to the carrier, at least part of the first sleeve overlapping the opening radially; a pushing rod, movably assembled to the gun body, and extending through the through opening and into the receiving room; wherein the first sleeve is disposed around an outer lateral side of the carrier, and the first sleeve is transversely across the opening side to side.
    Type: Application
    Filed: May 3, 2018
    Publication date: November 8, 2018
    Inventor: HUNG-CHIH HUNG
  • Publication number: 20180319030
    Abstract: The cutter includes a main body, having a first hole; a blade, connected with the main body and being movable relative to the first hole, the blade having a cutting edge which partially and nondiametrically passes through the first hole when the blade moves relative to the first hole.
    Type: Application
    Filed: May 4, 2017
    Publication date: November 8, 2018
    Inventor: HUNG-CHIH HUNG
  • Publication number: 20170348724
    Abstract: A caulking gun is provided, including: a gun body, including a side wall and for a sealant cartridge to be assembled thereto; a limitation member, swingably assembled to the gun body; a pushing rod, movably disposed in the gun body and disposed through the limitation member and the side wall, the pushing rod optionally frictionally gripped by the limitation member for pushing the sealant cartridge; an abutting mechanism, movably disposed through the side wall and radially disengageable directly from the pushing rod, two ends of the abutting mechanism respectively abutting against the driving member and the limitation member, the abutting mechanism including an abutting portion and an elastic member, the elastic member being arranged between the abutting portion and the driving member.
    Type: Application
    Filed: March 21, 2017
    Publication date: December 7, 2017
    Inventor: HUNG-CHIH HUNG
  • Patent number: 9827588
    Abstract: A caulking gun includes a carrier for carrying a caulk cartridge, an assembly for the carrier, a gun body and a push rod. The assembly is for disposing between the gun body and the carrier and includes a seat portion and a spacing portion. The seat portion includes a seat wall for being connected between the gun body and the carrier. The spacing portion includes at least one projection portion disposed on the seat wall for being abutted between the gun body and the carrier in a manner that the gun body and the carrier are rotatable relative to each other. The carrier is rotatably connected with the gun body through the assembly, and the carrier is slidable relative to the at least one projection portion. The push rod is movably connected to the gun body and disposed through the assembly, and extends into the carrier.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: November 28, 2017
    Assignee: Siang Syuan Fu Enterprise Co., Ltd.
    Inventor: Hung-Chih Hung
  • Publication number: 20170291190
    Abstract: A caulking gun includes a carrier for carrying a caulk cartridge, an assembly for the carrier, a gun body and a push rod. The assembly is for disposing between the gun body and the carrier and includes a seat portion and a spacing portion. The seat portion includes a seat wall for being connected between the gun body and the carrier. The spacing portion includes an annular projection portion configured to be abutted between the gun body and the carrier in a manner that the gun body and the carrier are rotatable relative to each other. The carrier is rotatably connected with the gun body through the assembly, and the carrier is rotatable relative to the annular projection portion. The push rod is movably connected to the gun body and disposed through the assembly, and extends into the carrier.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Inventor: HUNG-CHIH HUNG
  • Patent number: 9776204
    Abstract: A push member and a caulking gun having the same. The caulking gun includes the push member, a gun body and a push rod. The push member includes a blockable receiving portion which includes a receiving space and a lip protruding from a periphery of the receiving space, and a push portion arranged opposite to the blockable receiving portion in a first direction, for pushing a caulk cartridge. The lip defines a blocking mouth, and the blocking mouth and the receiving space are open toward a same lateral side of the push member to form an open end. When a push plate of the push rod is disposed within the receiving space, the lip and the push plate are blockable with each other in the first direction.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: October 3, 2017
    Assignee: Siang Syuan Fu Enterprise Co., Ltd.
    Inventor: Hung-Chih Hung
  • Patent number: 9737904
    Abstract: A caulking gun includes a main body, a pushing rod, a pushing element, a bar-linkage assembly, and a trigger. The main body is formed with a handle extending downward. The pushing element and the bar-linkage assembly are arranged in the main body. The pushing rod is inserted through the main body and the pushing element. The bar-linkage assembly includes two bars aligned horizontally but not parallel to each other. One of the bars abuts against the pushing element. The trigger is pivotally disposed on the main body, and one end of the trigger abuts against a roller between the two bars. When the trigger is pulled, the roller is pushed upward by the trigger to push the pushing element forward via the bar-linkage assembly so that the pushing element inclines to bring the pushing rod move forward.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: August 22, 2017
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: 9700913
    Abstract: A caulking gun includes a housing having a channel opened upwardly, a supporting bracket engageable into the channel of the housing and having an opening for detachably attaching a cartridge member, and a latch device having a latch member slidably attached to the housing and movable relative to the housing for selectively engaging with the supporting bracket and for preventing the supporting bracket and the cartridge member from being disengaged from the housing. The latch member includes two anchors engageable into the channel of the housing for engaging with the supporting bracket and for preventing the supporting bracket and the cartridge member from being disengaged from the housing.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: July 11, 2017
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung Chih Hung
  • Patent number: D863002
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: October 15, 2019
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D889222
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 7, 2020
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D896606
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: September 22, 2020
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D899879
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: October 27, 2020
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D922164
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 15, 2021
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D958618
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: July 26, 2022
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung
  • Patent number: D1019310
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: March 26, 2024
    Assignee: SIANG SYUAN FU ENTERPRISE CO., LTD.
    Inventor: Hung-Chih Hung