Telescopic roof cover construction for automotive vehicles

Claim 1

FOR AN AUTOMOTIVE VEHICLE, AN ADJUSTABLE ROOF CONSTRUCTION EXTENDING LONGITUDINALLY ON SAID VEHICLE COMPRISING OPPOSED TRACKS PARALLEL TO EACH OTHER ON SAID VEHICLE, A PLURALITY OF REARWARDLY AND FORWARDLY MOVING TELESCOPIC SECTIONS MOUNTED ON SAID TRACKS, THE FORWARD ONE OF SAID SECTIONS BEING ADAPTED TO REMAIN IN FIRM RELATIVE POSITION WITH RESPECT TO THE OTHER SECTIONS, THE SAME BEING CLOSED AT THREE SIDES LEAVING AN OPEN, EXPOSED END, SAID END HAVING A BEADED PORTION EXTENDING AROUND THE SAME, A PROXIMATE ADJACENT SECTION HAVING A TOP AND SIDE PORTION THEREOF WITH OPEN ENDS AND A BEADED PORTION ON EACH OF SAID ENDS, THE FORWARD END OF SAID SECTION HAVING A BEADED PORTION EXPOSED AND ADAPTED TO CONTACT THE END PORTION OF THE FORWARD SECTION AND FORM A CLOSURE THEREWITH AND AN INWARDLY FORMED BEAD AT THE OTHER REAR END, AND A CONTINUING END SECTION OF SMALLER RELATIVE SIZE THAN THE PREVIOUS SECTIONS, HAVING A EXTERNAL BEAD AT THE FORWARD OPEN END AND THEREOF ADAPTED TO CONTACT THE INWARDLY FORMED BEAD AT THE REAR OPEN END OF THE PRECEDING SECTION TO FORM A CLOSURE THEREWITH, CLOSURE MEANS FOR SAID END SECTION, SAID SECTIONS HAVING TERMINAL PORTIONS EXTENDING INTO THE TRACK MEANS TO PREMIT SLIDING OF THE SECTIONS ALONG SAID TRACK, EACH OF SAID TRACKS BEING MOUNTED ON THE BODY OF THE VEHICLE IN OPPOSED PARALLEL RELATION AND HAVING A PLURALITY OF LATERALLY EXTENDING GROOVES THEREIN TO ACCOMMODATE THE TERMINAL PORTION OF THE SIDE WALLS OF THE SECTIONS TO PERMIT LONGITUDINAL SLIDING OF THE SECTIONS, SAID GROOVES BEING PROVIDED WITH DRAINAGE MEANS.