Patents Assigned to Ifelec, Societe Anonyme
  • Patent number: 4186404
    Abstract: This tracing table of the type having two tracing arms, namely an upper arm and a lower arm, has the upper arm mounted in a plane located above that of the lower arm, in relation to the tracing plane, and the upper arm, in addition to the pen lifting mechanism comprises a pen retraction mechanism adapted to retract the tracing pen of the upper arm up to a level higher that of the lower arm, so that the two arms can cross each other. Each arm may comprise two ink pens, and each pen of the upper arm is provided with a corresponding retraction mechanism.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: January 29, 1980
    Assignee: Ifelec, Societe Anonyme
    Inventors: Pierre Guyot, Paul Delfau, Robert Amaury