Patents Assigned to Griesel B.V.
  • Fluid motor actuator for rotating a shaft back and forth
    Patent number: 4203351
    Abstract: Fluid motor actuator having two pistons reversely movable in a common cylinder, the pistons each carrying at least three extensions on their proximal sides, one of which being provided with a rack camming with one common spur gear fastened on a transverse shaft projecting from the cylinder, the extensions with their outer surfaces lying in one common cylindrical outer surface.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: May 20, 1980
    Assignee: Griesel B.V.
    Inventor: Heinz G. Schwind