Walking aid device

Claim 1

A WALKING-AID DEVICE TO BE USED AS AN AID FOR WALKING ON FLAT SURFACES AND FOR ASCENDING AND DESCENDING STAIRWAYS COMPRISING: (A) A RIGID FRAMEWORK HAVING THREE CLOSED SIDES AND ONE OPEN SIDE; (B) AT LEAST ONE VERTICAL SUPPORT MEANS SECURED TO ONE OF SAID CLOSED SIDES AND DISPOSED OPPOSITE TO SAID OPEN SIDE TO REST ON A SURFACE TO BE WALKED UPON; (C) TWO VERTICALLY ADJUSTABLE REAR LEGS, BETWEEN WHICH LIES SAID OPEN SIDE, SECURED TO SAID RIGID FRAMEWORK, SAID VERTICALLY ADJUSTABLE REAR LEGS HAVING SLIDABLY COUPLED PARTS TO BE ADJUSTED TO A CONTRACTED POSITION, EACH VERTICALLY ADJUSTABLE LEG BEING SPRINGLOADED TO CAUSE AN AUTOMATIC EXTENSION THEREOF TO AN EXTENDED POSITION WHICH IS THE LENGTH OF SAID AT LEAST ONE VERTICAL SUPPORT MEANS, WHEN SAID VERTICALLY ADJUSTABLE REAR LEGS ARE NOT LOCKED IN SAID CONTRACTED POSITION; (D) OPERABLE POSITIONING MEANS A PART OF WHICH IS SECURED TO THE UPPER PORTION OF EACH OF SAID TWO VERTICLLY ADJUSTABLE REAR LEGS TO ENABLE SAID ADJUSTABLE REAR LEGS TO BE READILY ADJUSTED TO SAID CONTRACTED AND EXTENDED POSITIONS AND LOCKED THEREAT.