Patents by Inventor Sin-Heng Wang

Sin-Heng Wang 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).

  • Socket wrench with an energy-saving function
    Patent number: 8720310
    Abstract: A socket wrench includes a handle and an actuating head connected with the handle. The handle has a first end provided with a mounting portion and a second end provided with a grip. The mounting portion of the handle has an inner wall provided with a pivot hole pivotally mounted on the actuating head and has an outer wall provided with a first driving arm and a second driving arm. The actuating head has an upper end provided with an extension which has a distal end provided with an elongate guide slot. Each of the first driving arm and the second driving arm of the handle is slidably mounted in the guide slot of the actuating head. The actuating head has a lower end inserted into a socket which is mounted on one bolt of a wheel.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: May 13, 2014
    Inventors: Yen-Hui Wang, Sin-Heng Wang, Tsun-Te Wang
  • Socket Wrench with an Energy-Saving Function
    Publication number: 20130291690
    Abstract: A socket wrench includes a handle and an actuating head connected with the handle. The handle has a first end provided with a mounting portion and a second end provided with a grip. The mounting portion of the handle has an inner wall provided with a pivot hole pivotally mounted on the actuating head and has an outer wall provided with a first driving arm and a second driving arm. The actuating head has an upper end provided with an extension which has a distal end provided with an elongate guide slot. Each of the first driving arm and the second driving arm of the handle is slidably mounted in the guide slot of the actuating head. The actuating head has a lower end inserted into a socket which is mounted on one bolt of a wheel.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 7, 2013
    Inventors: Yen-Hui Wang, Sin-Heng Wang, Tsun-Te Wang
  • Socket wrench with an energy-saving function
    Patent number: 8516927
    Abstract: A socket wrench includes a handle having a housing and a grip portion, a drive shank having a ratchet wheel mounted in the housing, two pawl members engaged with the ratchet wheel, a switching member located between the pawl members, two elastic members each biased between the housing and the respective pawl member, a control knob connected with the switching member, a driven arm having a mounting sleeve and an arcuate mounting slot, a connecting plate provided on the handle, and two driving arms provided on the connecting plate and received in the mounting slot. When in use, one of the driving arms drives the driven arm by a leverage to drive the drive shank to rotate a socket so as to operate a workpiece in an energy-saving manner.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: August 27, 2013
    Inventors: Yen-Hui Wang, Sin-Heng Wang, Chin-He Wang