Patents by Inventor Yang-Ming Weng

Yang-Ming Weng 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: 7219432
    Abstract: A stamping and die-cutting tool with quick mould change design comprises: a casing and a pushing member. The pushing member has a pushing portion to be fixed at an extended position and a retracted position alternatively after being pressed repeatedly. The pushing member is fixed in the casing. A mould have an attractive surface and is moveably disposed in the casing in such a manner that the attractive surface is attracted to the pushing portion of the pushing member; by pressing the mould, the pushing member will be moved out of and retracted into the casing, so that the mould can be changed easily.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: May 22, 2007
    Inventor: Yang-Ming Weng
  • Publication number: 20060230811
    Abstract: A stamping and die-cutting tool with quick mould change design comprises: a casing and a pushing member. The pushing member has a pushing portion to be fixed at an extended position and a retracted position alternatively after being pressed repeatedly. The pushing member is fixed in the casing. A mould have an attractive surface and is moveably disposed in the casing in such a manner that the attractive surface is attracted to the pushing portion of the pushing member; by pressing the mould, the pushing member will be moved out of and retracted into the casing, so that the mould can be changed easily.
    Type: Application
    Filed: June 15, 2006
    Publication date: October 19, 2006
    Inventor: Yang-Ming Weng
  • Publication number: 20050257658
    Abstract: The present invention relates to a stamping and die-cutting tool with quick mould change design, which comprises: a casing; a pushing member have a pushing portion to be fixed at an extended position and a retracted position alternatively after being pressed repeatedly, the pushing member is fixed in the casing; a mould have an attractive surface and is moveably disposed in the casing in such a manner that the attractive surface is attracted to the pushing portion of the pushing member; by pressing the mould, the pushing member will be moved out of and retracted into the casing, so that the mould can be changed easily.
    Type: Application
    Filed: November 13, 2004
    Publication date: November 24, 2005
    Inventor: Yang-Ming Weng
  • Publication number: 20050051017
    Abstract: The present invention relates to a punching device with replaceable punching die, in which, a punching die can be easily replaced since it can be freely taken out of or assembled in a basement and an inserting frame of the punching device without difficulties. Thereby, the consumer can buy plural punching dies with lower cost, and then choose a suitable punching die, based on real needs, to cooperate with the basement.
    Type: Application
    Filed: September 1, 2004
    Publication date: March 10, 2005
    Inventor: Yang-Ming Weng
  • Publication number: 20050039590
    Abstract: A lever-operated paper punch generally comprises a base plate, a male die, a cover, a hook pin, a spring and a lever. Wherein the lever is rotatably disposed on the hook pin and which can be rotated to abut flush against the top surface of the cover so as to eliminate a space between the lever and the base plate, such that the paper punch of the present invention can be well preserved by putting an end to a possibility of injury caused by inserting fingers into the spacing between the lever and the base plate.
    Type: Application
    Filed: August 22, 2003
    Publication date: February 24, 2005
    Inventor: Yang-Ming Weng
  • Patent number: D529094
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: September 26, 2006
    Inventor: Yang-Ming Weng