Patents by Inventor Yoshimasa Umeda

Yoshimasa Umeda 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: 5178499
    Abstract: A splash guard for the portal type machine tool, having a movable front splash guard provided in front of a cross rail and movable in the direction of a travel of a table, the movable front splash guard enclosing a working space above the table, a fixed front splash guard provided above the bed and enclosing the front end of the bed, the movable front splash guard being telescopically associated with the fixed front splash guard, a fixed rear splash guard provided above the bed and enclosing the rear end of the bed, a telescopic portal splash guard provided between the movable front splash guard and the cross rail, the portal splash guard being contactable with the movable front splash guard and telescopically following the spindle head when the spindle head travels along the cross rail. The movable front splash guard, the fixed front splash guard, the fixed rear splash guard and the telescopic portal splash guard enclose the overall working space above the table.
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: January 12, 1993
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Yoshimasa Umeda, Michio Suzuki