Automatic variable pitch propeller

Claim 1

IN AN AUTOMATICALLY ADJUSTABLY VARIBLE PITCH PROPELLER, AN OUTER HOUSING COMPRISING AN OUTER HUB HAVING A PLURALITY OF PROPELLER BLADES MOVABLE MOUNTED THEREON AND BEING MOVABLE FOR A LIMITED AMOUNT TO ADJUST FROM A LOW PITCH TO A HIGH PITCH POSITION, AN INNER MEMBER WITHIN SAID OUTER HOUSING MOUNTED FOR MOVEMENT RELATIVE THERETO, A POWER SHAFT CONNECTED TO SAID INNER MEMBER AND ADAPTED TO PROVIDE POWER THERETO, MEANS ON SAID INNER MEMBER ENGAGEABLE WITH SAID OUTER HOUSING WITH SAID POSITION THEREOF TO ENGAGE SAID HOUSING AND DRIVE SAME IN A LOW PITCH POSITION TO ROTATE SAID OUTER HOUSING WITH SAID BLADES THEREON IN LOW PITCH POSITION, PITCH ADJUSTMENT MEANS FOR SAID BLADES OPERATED BY SAID INNER MEMBER AND SAID OTHER HUB ROTATING RELATIVE TO ONE ANOTHER THEREBY ADJUSTING SAID BLADES FROM HIGH PITCH TO LOW PITCH POSITION AND VICE VERSA, AND MEANS INTERPOSED BETWEEN SAID PITCH ADJUSTMENT MEANS AND SAID INNER MEMBER NORMALLY BIASING SAME, WHEREBY SAID PROPELLER IN INITIAL POSITION WITH POWER ON SAID SHAFT AND WITH THE INITIAL MOMENTUM OF THE WEIGHT TO BE OVERCOME IS IN A LOW PITCH POSITION TO OFFER MORE SURFACE ENGAGEMENT WITH THE WATER; AND WHEREUPON, UPON INCREASED ROTATION OF SAID BLADES AND INCREASE IN REVOLUTIONS SAID BLADES ARE AUTOMATICALLY MOVED FROM A LOW PITCH TO A HIGH PITCH POSITION.