Patents by Inventor Shigemasa Kametaki

Shigemasa Kametaki 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: 4049181
    Abstract: Automatic nailing machine provided with a magnetic attraction means on the side wall of the guide hole through which a piston rod driven by compressed air passes during the nailing operation. The machine is constructed so the nail to be driven, supplied to the guide hole from a magazine connected to the guide hole to supply nails thereinto, is held temporarily by said magnetic attraction means before the piston rod lowers and drives the nail.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: September 20, 1977
    Inventor: Shigemasa Kametaki