Portable collapsible boat

Claim 1

A COLLAPSIBLE BOAT INCLUDING, A FRAMEWORK AND A FLEXIBLE WATERPROOF SKIN, SAID FRAMEWORK COMPRISING A PLURALITY OF TUBULAR U-SHAPED RIB MEMBERS OF SIZE TO DETERMINE THE TRANSVERSE SHAPE OF THE BOAT, A STERN FRAME, A TRANSOM SECURED TO SAID STERN FRAME, A PROW MEMBER DEFINING THE FORWARD END OF THE FRAMEWORK AND EXTENDING DOWNWARDLY AND REARWARDLY THEREFROM, A SECTIONAL GUNWALE CONNECTING THE STERN FRAME AND THE FORWARD END OF THE PROW MEMBER, A SECTIONAL BEAM EXTENDING LONGITUDINALLY OF THE BOAT, HINGE MEANS CONNECTING THE ADJACENT ENDS OF THE BEAM SECTIONS WITH PORTIONS OF SAID BEAM EXTENDING ABOVE THE HINGE MEANS IN ABUTTING RELATION WHEN THE BEAM SECTIONS ARE IN ALIGNED RELATION, TENSION MEANS SECURED TO THE ENDS OF THE BEAM IN UPWARDLY SPACED RELATION TO THE HINGE MEANS TO RETAIN THE BEAM SECTIONS IN A RIGID STRUCTURE, AND AN EXTENSIBLE MEMBER CONNECTING THE BEAM AND ONE OF THE STERN FRAME AND PROW MEMBER, SAID BEAM HAVING PORTIONS SPACED LONGITUDINALLY THEREOF RECEIVING CENTRAL PORTIONS OF SAID RIBS, PINS AND SOCKETS ON THE GUNWALE SECTIONS AND U-SHAPED RIBS FOR CONNECTING ONE TO THE OTHER, SAID SKIN HAVING A FABRIC BODY SHAPED TO FIT AROUND THE FRAMEWORK IN COVERING RELATION THERETO, INTERENGAGING MEANS ON THE GUNWALE AND THE SKIN TO SECURE ONE TO THE OTHER.