Slidable roof construction

Claim 1

IN A MOTOR VEHICLE HAVING A RELATIVELY FIXED ROOF PORTION PROVIDED WITH AN APERTURE ADAPTED TO BE CLOSED BY A SLIDABLE ROOF INSERT AND INCLUDING FRAME MEANS TO GUIDE SAID ROOF INSERT DURING THE SLIDING MOVEMENT THEREOF, COMPRISING A SLIDABLE ROOF INSERT, CLOSURE MEANS CONNECTED TO SAID ROOF INSERT INCLUDING TRANSVERSELY MOVABLE ROD MEMBERS AND ROLLER MEANS ADJACENT THE ENDS OF SAID ROD MEMBERS, SAID CLOSURE MEANS FURTHER INCLUDING WEDGING SURFACE MEANS ADJACENT THE ENDS OF SAID ROD MEMBERS, AND MEANS SECURED TO SAID FRAME MEANS INCLUDING UPWARDLY INCLINED FIRST WEDGING MEANS AND GUIDE MEANS VERTICALLY SPACED ABOVE SAID FIRST WEDGING MEANS AND COOPERATING WITH SAID ROLLER MEANS FOR POSITIVELY GUIDING SAID ROOF INSERT IN THE UP AND DOWN DIRECTION DURING BOTH OPENING AND CLOSURE OF SAID APERTURE, AND SECOND WEDGING MEANS CONTIGUOUS TO SAID FIRST WEDGING MEANS ENGAGING SAID WEDGING SURFACE MEANS OF SAID CLOSURE MEANS FOR FORCING SAIF ROOF INSERT FORWARDLY SUBSTANTIALLY CONCURRENTLY WITH THE GUIDING OF SAID ROOF INSERT UPWARDLY BY SAID FIRST WEDGING MEANS.