Patents Assigned to Katayama Denki Ltd.
  • Patent number: 7066100
    Abstract: Electrical contact between a probe and a holder and/or a workpiece is detected by a detection circuit in a machine tool having a spindle located above a movable table. The probe is mounted on a chuck which is, in turn, mounted on the spindle. An arm is also mounted on the spindle. The probe, chuck and arm all form an electrically conductive assembly. A magnetic electrode or a clip electrode is mounted on the assembly, each electrode being electrically connected to the detection circuit.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: June 27, 2006
    Assignee: Katayama Denki Ltd.
    Inventor: Noriaki Katayama