Collapsible trail cart

Claim 1

A PORTABLE LOAD-CARRYING VEHICLE COMPRISING IN COMBINATION A COLLAPSIBLE WHEELED-FRAME FORMED FROM A PAIR OF RIGID U-SHAPED MEMBERS JOINED TOGETHER AT THEIR LEGS TO FORM A RIGID RECTANGLE, FOUR RIGID ELONGATED SUPPORT MEMBERS EACH PIVOTALLY CONNECTED ADJACENT ONE END TO A CORNER OF SAID RECTANGLE TO BE MOVABLE INTO AND OUT OF PARALLEL RELATIONSHIP WITH A SIDE OF SAID RECTANGLE, A SINGLE WHEEL-CARRYING AXLE, MEANS AT THE OTHER END OF EACH OF SAID SUPPORT MEMBERS ENABLING DETACHABLE CONNECTION OF SAID MEMBERS TO SAID SINGLE AXLE WHEREBY TO DETACHABLY MOUNT AND FIXEDLY POSITION SAID AXLE WITH RESPECT TO SAID FRAME, A FIRST PAIR OF ELONGATED HANDLE MEMBERS DETACHABLY CONNECTABLE TO SAID ONE ENDS OF SAID SUPPORT MEMBERS TO FORM EXTENSIONS THEREOF ADJACENT THE CORNERS AT ONE END OF SAID RECTANGLE, A SECOND PAIR OF ELONGATED HANDLE MEMBERS DETACHABLY CONNECTABLE SELECTIVELY TO SAID ONE ENDS OF SAID SUPPORT MEMBERS AT THE CORNERS OF THE OTHER END OF SAID RECTANGLE AND TO SAID FIRST HANDLE MEMBERS TO FORM EXTENSIONS THEREOF, AND A FOUR CORNERED LOAD CARRYING MEMBER DETACHABLY CONNECTABLE AT TWO OF ITS CORNERS TO THE MEMBERS OF ONE OF SAID PAIRS OF HANDLE MEMBERS AND AT THE OTHR TWO OF ITS CORNERS SELECTIVELY TO THE MEMBERS OF SAID OTHER PAIR OF SAID HANDLE MEMBERS AND TO SAID ONE ENDS OF SAID SUPPORT MEMBERS ADJACENT THE CORNERS AT ONE END OF SAID RECTANGLE.