Patents Assigned to Airpot Corp.
  • Counterbalance device and torsion member usable therein
    Patent number: RE32878
    Abstract: A device for counterbalancing a moving part comprises an elongated torsion member surrounded by a sleeve, the sleeve being connected to the torsion member at one point and the torsion member being fixedly supported at another point spaced from said one point, the moving part and the sleeve respectively carrying cooperating elements of a cam-follower combination, the cam being shaped, taking into account the torsion characteristics of the torsion element, to produce the desired counterbalancing effect.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: February 28, 1989
    Assignee: Airpot Corp.
    Inventor: George H. Leonard