Patents by Inventor Tung-Chu YANG

Tung-Chu YANG 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).

  • Method for fabricating wings of bicycle pedals
    Patent number: 8479553
    Abstract: A method for fabricating wings of bicycle pedals includes, first, stamping a plate to form a preformed body which includes an opening and a body with a preset working surface. The working surface has a preset force receiving zone. The body has a first expanded portion and a second expanded portion and two arched portions bridging two sides of the first and second expanded portions; then applying a punching force to the force receiving zone to bend the first expanded portion, second expanded portion and arched portions to become a product; finally performing a bending process and a hole forming process on the product to obtain the wings.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: July 9, 2013
    Assignee: Jia Tsun Industrial Co., Ltd.
    Inventor: Tung-Chu Yang
  • METHOD FOR FABRICATING WINGS OF BICYCLE PEDALS
    Publication number: 20120090374
    Abstract: A method for fabricating wings of bicycle pedals includes, first, stamping a plate to form a preformed body which includes an opening and a body with a preset working surface. The working surface has a preset force receiving zone. The body has a first expanded portion and a second expanded portion and two arched portions bridging two sides of the first and second expanded portions; then applying a punching force to the force receiving zone to bend the first expanded portion, second expanded portion and arched portions to become a product; finally performing a bending process and a hole forming process on the product to obtain the wings.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 19, 2012
    Inventor: Tung-Chu YANG