Patents by Inventor Yoshio Hiraoka

Yoshio Hiraoka 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: 5038648
    Abstract: An adjustable shear blade blanking press with an automatically centered blank pusher has a guide over which a strip of sheet material to be cut into blanks can be guided device extending a cross the guide transversely to the guide in a guide direction, at least two side by side shear blade direction and spaced in the guide direciton, the shear blade devices being pivotally mounted for adjustment of the positions thereof between a position perpendicular to the guide direction and a position at an angle to the guide direction and for adjustment toward and away from each other. A pusher is provided for pushing a cut blank laterally of the guide direction and is adjustably mounted on one side of the guide for reciprocal movement parallel to the guide direction.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: August 13, 1991
    Assignee: Mazda Motor Manufacturing (USA) Corporation
    Inventor: Yoshio Hiraoka