Collapsible cabin

Claim 1

A MULTI-COMPONENT, COLLAPSIBLE CABIN COMPRISING: (A) A RECTANGULAR CENTRAL SECTION HAVING A FLOOR PANEL; A LOWER WALL PORTION SECURED TO EACH END THEREOF AN UPPER WALL PORTION HINGED TO EACH LOWER WALL PORTION, NORMALLY UPSTANDING THEREFROM BUT ADAPTED TO FOLD INWARDLY AND OVER THE FLOOR, AND AN OUTWARDLY DISPOSED SLIDE CHANNEL MEANS ACROSS EACH LOWER WALL PORTION; (B) A PAIR OF OPPOSING SIDE SECTIONS, EACH HAVING A WIDTH APPROXIMATING ONE-HALF THE WIDTH OF THE CENTRAL SECTION, EACH HAVING A LOWER SIDE WALL PORTION AND A LOWER END WALL PORTION AT EACH END THEREOF, AN UPPER SIDE WALL HINGED TO THE LOWER SIDE WALL PORTION NORMALLY UPSTANDING THEREFROM BUT ADAPTED TO FOLD INWARDLY AND OVER THE FLOOR, AND AN UPPER END WALL HINGED TO EACH LOWER END WALL PORTION AND NORMALLY UPSTANDING THEREFROM BUT ADAPTED TO FOLD INWARDLY OVER THE FLOOR, SAID LOWER END WALL PORTIONS OF EACH SIDE SECTION EMBRACING THE LOWER WALL PORTION OF TH CENTRAL SECTION AND BEING CARRIED IN SAID SLIDE CHANNEL MEANS WHEREBY TO PERMIT THE SIDE SECTIONS TO BE SHIFTED LATERALLY FROM A NORMALLY OPEN POSITION WITH EACH SIDE SECTION EXTENDED OUTWARDLY FROM THE CENTRAL SECTION TO A RETRACTED POSITION WITH THE SIDE SECTION OVERLAPPING THE CENTRAL SECTION, AND A SIDE SECTION PANEL SECTION NORMALLY OVERLYING EACH SIDE SECTION BUT ADAPTED TO BE REMOVED WHEN THE SIDE SECTION AND THE WALLS THEREOF ARE TO BE RETRACTED; (C) A FLOOR EXTENSION EXTENDING FROM EACH SIDE OF THE CENTRAL SECTION FLOOR WHEN THE SIDE SECTIONS ARE EXTENDED; (D) A CENTRAL ROOF PANEL SECTION OVERLYING THE WALLS OF THE CENTRAL SECTION AND THE INWARD EDGES OF THE SIDE ROOF SECTIONS WHEN THE LATTER ARE MOUNTED UPON THE SIDE SECTIONS; AND (E) MEANS AT THE EDGES OF EACH SECTION LAP-CONTACTING ABUTTING EDGES OF THE ADJACENT SECTIONS.