Patents by Inventor Yukio Teshima

Yukio Teshima 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).

  • Automatic tool changing device and working machine
    Patent number: 7267642
    Abstract: An automatic tool changing device (30) has a tool storage device (31) with a plurality of tools stored therein, a tool chucking unit (41) and a tool unchucking unit (51) both capable of advancing/retreating between the tool storage device (31) and a tool changing position (P2), and a tool delivery mechanism (61). The tool chucking unit (41) is provided with a tool fastening mechanism (42) for fastening the tool chucking mechanism (24), and the tool unchucking unit (51) is provided with a tool loosening mechanism (52) for loosening the tool chucking mechanism (24). The tool delivery mechanism (61) delivers the tool positioned at a tool delivery position from the tool storage device into the tool fastening mechanism of the tool chucking unit so that the tool is held by the tool fastening mechanism, and delivers the tool retrieved by the tool unchucking unit from the tool unchucking unit to the tool storage device so that the tool is stored by the tool storage device.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: September 11, 2007
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Takao Arai, Takeshi Momochi, Yukio Teshima, Hidemi Yoshino, Norio Yamanishi
  • Automatic tool changing device and working machine
    Publication number: 20070004572
    Abstract: An automatic tool changing device (30) has a tool storage device (31) with a plurality of tools stored therein, a tool chucking unit (41) and a tool unchucking unit (51) both capable of advancing/retreating between the tool storage device (31) and a tool changing position (P2), and a tool delivery mechanism (61). The tool chucking unit (41) is provided with a tool fastening mechanism (42) for fastening the tool chucking mechanism (24), and the tool unchucking unit (51) is provided with a tool loosening mechanism (52) for loosening the tool chucking mechanism (24). The tool delivery mechanism (61) delivers the tool positioned at a tool delivery position from the tool storage device into the tool fastening mechanism of the tool chucking unit so that the tool is held by the tool fastening mechanism, and delivers the tool retrieved by the tool unchucking unit from the tool unchucking unit to the tool storage device so that the tool is stored by the tool storage device.
    Type: Application
    Filed: June 28, 2006
    Publication date: January 4, 2007
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Takao Arai, Takeshi Momochi, Yukio Teshima, Hidemi Yoshino, Norio Yamanishi