Plural Movable Electrodes Patents (Class 314/51)
Plural electrode feeding (Class 314/52)
  • Mounting of carbon electrodes on a holder of an arc lamp
    Patent number: 4006380
    Abstract: The present invention relates to a mounting of carbon electrodes on a holder of an arc lamp used as a light source for a weatherometer or a lightfastness tester. In the holder, one end of the carbon electrodes and the holder are threadedly connected with each other.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: February 1, 1977
    Inventor: Shigeru Suga
  • Electrode mounting in an arc lamp for use in light fastness testers
    Patent number: 4005326
    Abstract: A carbon arc lamp for use in a light fastness tester and other similar testers, and having a metal rod extending from a carbon electrode mounting part in the upper part of the lamp down to a point just below an upper metal plate. A portion of the rod is engaged by a ring clutch which is connected to an automatic feed control for the carbon electrode. The lower end of the metal rod has the upper end of the carbon electrode mounted thereon by a threaded connection.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: January 25, 1977
    Inventor: Shigeru Suga
  • Carbon electrode support
    Patent number: 3932785
    Abstract: A support includes a support element having two electrode contact areas for each electrode to be clamped. Each contact area has fixed thereto a conductive carbon plate. A clamping device has a non-conductive clamping surface for clamping each electrode against its respective pair of carbon plates.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: January 13, 1976
    Inventor: Shigeru Suga