Patents by Inventor Sato Tutomu

Sato Tutomu 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).

  • Safety system for pneumatic impact tool
    Patent number: 4384668
    Abstract: Disclosed is a safety system for use in a pneumatic impact tool for driving a fastener, for preventing accident or injury to personal body. Particularly, the injury to personal body, which often occurs at the instant of connection of the tool to a compressed air source, is completely eliminated. The safety system is automatically turned into operative state when the tool is disconnected from the compressed air source, and the fastener driving work cannot be started unless the safety system is turned into inoperative state by a manual operation.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: May 24, 1983
    Assignee: Max Co., Ltd.
    Inventors: Sato Tutomu, Takatsuru Mitsuhiro, Matsumoto Hitoshi