Extensible vehicle roof

Claim 1

AN EXTENSIVE ROOF ASSEMBLY FOR DISPOSITION ON TOP OF A VEHICLE OVER AN OPENING IN THE TOP THEREOF, SAID ASSEMBLY INCLUDING A SUBSTANTIALLY RECTANGULAR BASE HAVING LONGITUDINAL AND TRANSVERSE MEMBERS, A PAIR OF UPSTANDING SIDE PANELS HINGEDLY SECURED TO RESPECTIVE LONGITUDINAL BASE MEMBERS, AN ELONGATED ROOF, FLEXIBLE OVER ITS ENTIRE LENGTH, HINGEDLY SECURED AT ONE END TO ONE OF SAID TRANSVERSE MEMBERS AND SUPPORTED AT ITS SIDES ON TOP OF SAID SIDE PANELS IN A BOWED CONFIGURATION, THE LENGTH OF SAID ROOF PANEL BEING GREATER THAN THE LENGTH OF SAID BASE, A PAIR OF ELONGATED TRACK MEMBERS EXTENDING OUTWARDLY PAST SAID OTHER TRANSVERSE MEMBER A DISTANCE SUFFICIENT TO ACCOMMODATE THE LENGTH OF SAID ROOF PANEL IN EXCESS OF SAID FRAME, ROLLER ELEMENTS ADAPTED TO RIDE IN SAID TRACK MEMBERS, AND A TRANSVERSE BAR COUPLED TO SAID ROLLER ELEMENTS AND CONNECTED FROM THE OTHER END OF SAID ROOF PANEL, WHEREBY, WHEN SAID SIDE PANELS ARE PIVOTED DOWNWARDLY, SAID FLEXIBLE ROOF COLLAPSES TO A FLAT POSITION GUIDED BY THE OUTWARD MOVEMENT OF SAID ROLLER ELEMENTS IN SAID TRACK MEMBERS.