×

Heliplane

  • US 3,146,970 A
  • Filed: 07/01/1963
  • Issued: 09/01/1964
  • Est. Priority Date: 07/01/1963
  • Status: Expired due to Term
First Claim
Patent Images

1. AN AIRCRAFT, COMPRISING:

  • AN AIRFRAME;

    A WING HAVING A CENTER SECTION AND AT LEAST THREE RADIALLY EXTENDING ARMS;

    SAID WING BEING MOUNTED ON SAID AIRFRAME FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO THE CENTER OF SYMMETRY OF THE WING;

    A SOURCE OF POWER CONNECTED TO ROTATE SAID WING;

    THE TIP PORTIONS OF SAID ARMS BEING PIVOTALLY MOUNTED ON SUBSTANTIALLY RADIAL AXES FOR INCLINATION RELATIVE TO THE CHORD PLANE OF THE WING AND COMPRISING LIFTING ROTOR PORTIONS;

    PITCH, ROLL AND COLLECTIVE CONTROL MEANS OPERATIVELY CONNECTED TO SAID TIP PORTIONS TO VARY THE INCLINATION THEREOF CYCLICALLY AND COLLECTIVELY AS SAID WING ROTATES;

    LOCKING MEANS TO HOLD SAID WING STATIONARY WITH ONE OF SAID ARMS EXTENDING FORWARDLY ON THE AIRCRAFT;

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×