Patents by Inventor Thuneo Orui

Thuneo Orui 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).

  • Turret tool post for machine tool and apparatus for controlling indexing of the same
    Patent number: 5123149
    Abstract: A turret tool post for a machine tool has a turret having a plurality of turret faces each equipped with a tool for machining, a turret shaft for rotating the turret, a cam follower provided on the turret shaft, a cam having a cam surface engaged with the cam follower to cause the cam follower to rotate, and an indexing motor for driving the cam to index the turret faces. A straight raceway portion is formed on the cam surface of the cam so that the cam follower is not driven to rotate through a predetermined angle. Also disclosed is an apparatus for controlling indexing of the turret tool post which has a turret controller for controlling the rotation of the indexing motor. The speed of the indexing motor is controlled in accordance with whether a door attached to a cover covering the turret and other elements is open or closed.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: June 23, 1992
    Assignee: Hitachi Seiko Co., Ltd.
    Inventors: Satoru Togawa, Mikio Kobayashi, Takanobu Sato, Takayuki Nagasawa, Akira Koshio, Thuneo Orui