Patents by Inventor Chungeng Chen

Chungeng Chen 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: 20210229192
    Abstract: A folding handle for a tool has a main handle having a tool head, a handle extension rotatably connected to the main handle, the handle extension rotatable between a first extended position and a second folded position relative to the main handle, and a latching mechanism having a locking pin and an actuator connected to the locking pin and movable between a first position in which the locking pin engages the handle extension, preventing movement of the handle extension relative to the main handle, and a second position in which the locking pin is disengaged from the handle extension, allowing movement of the handle extension relative to the main handle. A tool may have first and second folding handles which are movably connected to one another.
    Type: Application
    Filed: January 28, 2021
    Publication date: July 29, 2021
    Inventor: Chungeng Chen
  • Patent number: 10800010
    Abstract: A tool and a method of manufacture of the tool are provided. The tool is prepared by the steps of providing a first tool half having a first jaw, providing a second tool half having a second jaw, inserting a temporary sleeve through an opening in the first tool half, the temporary sleeve having an opening configured to receive an end of a biased member that extends axially, aligning the end of the biased member with the opening in the first tool half, disposing the biased member within a cavity formed by the first tool half and the second tool half, and removing the temporary sleeve.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: October 13, 2020
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen
  • Publication number: 20200316756
    Abstract: A ratcheting wrench includes a first jaw with a first jaw insert configured to move relative to the first jaw and a first spring configured to bias the first jaw insert in a first direction. The wrench also includes a second jaw with a second jaw insert configured to move relative to the second jaw and a second spring configured to bias the second jaw insert in a second direction opposite the first direction. When the first jaw insert moves relative to the first jaw and the second jaw insert moves relative to the second jaw, a space between the first jaw and the second jaw increases. This allows the jaws of the wrench to slip over corners of a fastener to achieve a ratcheting effect.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 8, 2020
    Inventor: Chungeng Chen
  • Publication number: 20200298381
    Abstract: A double-sided, detachable tool includes a first tool half and a second tool half. The first tool half has a first tool head on a first end, a first stepped profile on a bottom surface, and a latch protruding from the bottom surface. The second tool half has a second tool head on its first end, a second stepped profile on its bottom surface, and a latching aperture extending through the second tool half from its top side to the bottom side. The latch is inserted into the latching aperture to connect the first tool half to the second tool half and is removed from the latching aperture to detach the first tool half from the second tool half. The transitions from the stepped profiles to the seconds ends of the tool halves create a substantially flush surface therebetween.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventor: Chungeng Chen
  • Publication number: 20200269394
    Abstract: A truly one-handed operable pipe wrench is provided which includes a handle having a first end and a second end, a fixed jaw disposed at the second end of the handle, and a rotatable jaw pivotally attached to the second end of the handle. The rotatable jaw includes a first engaging end and a second driven end. A lever arm is pivotally attached to the handle. The lever arm includes a handle portion and an actuating portion. When the lever arm rotates relative to the handle, the actuating portion is in contact with the second driven end of the rotatable jaw causing the rotatable jaw to rotate relative to the second end of the handle.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 27, 2020
    Inventor: Chungeng Chen
  • Publication number: 20200198099
    Abstract: A power ratchet includes a ratchet body and a handle portion connected to the ratchet body. A ratchet assembly is disposed within a cavity of the ratchet body. The ratchet assembly includes a drive member, a pawl, and a ring gear. The ring gear is rotatable within the cavity and includes inner teeth that interface with the pawl. The ring gear has a flange with an interfacing surface and a cam follower. A drive assembly of the power ratchet has a motor and a drive shaft. The drive shaft includes a cam. The cam interfaces with the cam follower when the motor unit rotates the drive shaft to rotate the drive member via the pawl and the inner teeth. The interfacing surface of the flange interfaces with a stop surface formed in the cavity to transfer a torque applied to the handle portion to the drive member.
    Type: Application
    Filed: December 24, 2019
    Publication date: June 25, 2020
    Inventor: Chungeng Chen
  • Publication number: 20200061793
    Abstract: A combination clamp and wrench tool includes a main body, a fixed jaw attached the main body, and a floating clamp mechanism. The floating clamp mechanism may include an adjustable jaw. The floating clamp mechanism may be attached to the main body such that the floating clamp mechanism is slidable relative to the main body towards and away from the fixed jaw. The worm gear and the rack are attached to the floating clamp mechanism. Actuation of the worm gear moves the rack linearly relative to the floating clamp mechanism. When the rack is moved to contact the fixed jaw, the combination clamp and wrench tool operates in a wrench mode, and when the rack is moved away from the fixed jaw, the combination clamp and wrench tool operates in a clamp mode.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 27, 2020
    Inventor: Chungeng Chen
  • Publication number: 20160129561
    Abstract: A tool and a method of manufacture of the tool are provided. The tool is prepared by the steps of providing a first tool half having a first jaw, providing a second tool half having a second jaw, inserting a temporary sleeve through an opening in the first tool half, the temporary sleeve having an opening configured to receive an end of a biased member that extends axially, aligning the end of the biased member with the opening in the first tool half, disposing the biased member within a cavity formed by the first tool half and the second tool half, and removing the temporary sleeve.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 12, 2016
    Inventor: Chungeng Chen
  • Patent number: 8555754
    Abstract: A tool, such as fixed-joint pliers, has first and second levers which are movably joined. The levers are joined at a joint comprising a housing and a coupler. The housing is defined by a first housing portion of the first lever and a second housing portion of the second lever. The housing has an interior area which houses a biasing member, such as a torsion spring. The coupler may comprise first and second bushings which extend through a passage through the housing and the torsion spring therein, and a male fastener which extends through one of the bushings and into engagement with the other bushing. The pliers have a thin profile and are biased to an open position for use.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: October 15, 2013
    Assignee: JS Products, Inc.
    Inventors: Chungeng Chen, John A. Hermann
  • Publication number: 20120137840
    Abstract: A tool, such as fixed-joint pliers, has first and second levers which are movably joined. The levers are joined at a joint comprising a housing and a coupler. The housing is defined by a first housing portion of the first lever and a second housing portion of the second lever. The housing has an interior area which houses a biasing member, such as a torsion spring. The coupler may comprise first and second bushings which extend through a passage through the housing and the torsion spring therein, and a male fastener which extends through one of the bushings and into engagement with the other bushing. The pliers have a thin profile and are biased to an open position for use.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 7, 2012
    Inventors: Chungeng Chen, John A. Hermann
  • Patent number: D714062
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 30, 2014
    Inventor: Chungeng Chen
  • Patent number: D777543
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: January 31, 2017
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen
  • Patent number: D848807
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: May 21, 2019
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen
  • Patent number: D911797
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: March 2, 2021
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen
  • Patent number: D917993
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: May 4, 2021
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen
  • Patent number: D917994
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: May 4, 2021
    Assignee: JS Products, Inc.
    Inventor: Chungeng Chen