Track-supported walker

Claim 1

IN A WALKER DEVICE FOR A CRIPPLED PERSON, AN OVERHEAD TRACK, A TROLLEY MOVABLE ALONG THE TRACK, SUBSTANTIALLY RIGID HANGERS DEPENDING FROM THE TROLLEY AND SPACED APART HORIZONTALLY, A TUBULAR MOUNTING SLIDABLE VERTICALLY ALONG EACH DEPENDING HANGER, MEANS FOR MANUALLY READILY SECURING SAID MOUNTINGS AT SELECTED HEIGHTS ON THE HANGERS, CURVED HORIZONTAL BARS FIXED TO SAID MOUNTINGS AND FORMING A STIFF SEMICIRCULAR CAGE FOR ENGAGING THE FRONT OF THE ABDOMEN AND CHEST OF THE BODY OF A USER, A FLEXIBLE SEAT SUPPORTED FROM THE LOWER PORTIONS OF SAID HANGERS BELOW SAID CAGE AND HAVING A SUBSTANTIALLY OPEN BOTTOM FOR THE USER''S LEGS, INDEPENDENTLY SLIDABLE SLEEVES ON THE DEPENDING HANGERS AVOE SAID MOUNTINGS, SUPPORT ELEMENTS SECURED TO SAID SLEEVES, AND MANUALLY OPERABLE MEANS FOR READILY SECURING THE MOUNTINGS AND SLEEVES TO SAID HANGERS INDEPENDENTLY OF EACH OTHER AT SELECTED HEIGHTS ABOVE SAID STRUCTURE.