Patents by Inventor Shiro Fujimura

Shiro Fujimura 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).

  • Shearing device
    Patent number: 8166854
    Abstract: In a shearing device (10), a plate-like work piece (50) is seated on a die (20) positioned on a lower side thereof is clamped by a pad (30), so that a predetermined portion of the work piece (50) is processed into a predetermined shape by a punch positioned on an upper side thereof. The punch (40) integrally has a heel portion (41). The heel portion is so as to broadly contact an outer peripheral face (51) of the predetermined portion to be processed of the work piece (50), thereby restraining the outer peripheral face (51) from moving in an outward direction perpendicular to a thickness direction.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: May 1, 2012
    Assignee: Toyota Boshoku Kabushiki Kaisha
    Inventor: Shiro Fujimura
  • Shearing device
    Publication number: 20070144230
    Abstract: In a shearing device (10), a plate-like work piece (50) is seated on a die (20) positioned on a lower side thereof is clamped by a pad (30), so that a predetermined portion of the work piece (50) is processed into a predetermined shape by a punch positioned on an upper side thereof. The punch (40) integrally has a heel portion (41).
    Type: Application
    Filed: March 17, 2005
    Publication date: June 28, 2007
    Inventor: Shiro Fujimura