Patents by Inventor Minoru Hazeyama

Minoru Hazeyama 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).

  • Tool magazine device for vertical machining center
    Patent number: 7322916
    Abstract: The invention provides a tool magazine device for a vertical machining center having a protective cover for a shank. A tool magazine device 100 disposed in a vertical machining center comprises a chain 120 moved between sprocket wheels 130 and 140, and the chain 120 is equipped with tool holders 200. Each tool holder 200 has a tool holder member 220 for holding the shank portion of the tool 1 and a shank pod 230 for covering the shank portion. The automatic tool change preparation device 300 lifts the shank pod 230 by gripping a knob 250 of a shaft 240 connected to the shank pod 230, so as to enable an automatic tool change arm to change the tool 1.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: January 29, 2008
    Assignee: Yamazaki Mazak Corporation
    Inventors: Minoru Hazeyama, Takeshi Yasuda
  • TOOL MAGAZINE DEVICE FOR VERTICAL MACHINING CENTER
    Publication number: 20070078044
    Abstract: The invention provides a tool magazine device for a vertical machining center having a protective cover for a shank. A tool magazine device 100 disposed in a vertical machining center comprises a chain 120 moved between sprocket wheels 130 and 140, and the chain 120 is equipped with tool holders 200. Each tool holder 200 has a tool holder member 220 for holding the shank portion of the tool 1 and a shank pod 230 for covering the shank portion. The automatic tool change preparation device 300 lifts the shank pod 230 by gripping a knob 250 of a shaft 240 connected to the shank pod 230, so as to enable an automatic tool change arm to change the tool 1.
    Type: Application
    Filed: September 25, 2006
    Publication date: April 5, 2007
    Inventors: Minoru Hazeyama, Takeshi Yasuda