Retractable truck body cover with tension control

Claim 1

IN COMBINATION WITH THE LOAD BED OF A PICKUP TRUCK OF THE TYPE INCLUDING UPSTANDING SIDE WALLS, A RETRACTABLE FLEXIBLE TRUCK BODY COVER ASSEMBLY WITH TENSION CONTROL, SAID BODY COVER ASSEMBLY COMPRISING A PAIR OF ELONGATED GUIDE MEMBERS SECURED TO AND EXTENDING ALONG THE UPPER MARGINAL EDGE PORTIONS OF SAID SIDE WALLS, A PLURALITY OF FOLLOWER MEMBERS SLIDINGLY ENGAGED WITH EACH OF SAID GUIDE MEMBERS FOR MOVEMENT LONGITUDINALLY THEREOF, A PLURALITY OF INVERTED GENERALLY U-SHAPED BOWS EACH ININCLUDING A PAIR OF DEPENDING LEGS INTERCONNECTED AT THEIR UPPER ENDS BY MEANS OF A BIGHT PORTION AND SUPPORTED FROM THEIR LOWER ENDS FROM CORRESPONDING PAIRS OF SAID FOLLOWER MEMBERS, AN ELONGATED COVER DISPOSED OVER SAID BOWS WITH THE LATTER SECURED TO SAID COVER AT POINTS SPACED LONGITUDINALLY THEREOF, THE LOWER PORTIONS OF THE OPPOSITE SIDES OF SAID COVER INCLUDING MEANS SPACED LONGITUDINALLY THEREOF RELEASABLY SECURING SAID LOWER PORTION IN FIXED RELATION RELATIVE TO SAID LOAD BED AT POINTS SPACED LONGITUDINALLY THEREALONG, EACH OF SAID LEGS INCLUDING A LONGITUDINALLY EXTENDABLE LOWER MEMBER YIELDINGLY URGED TOWARD AN EXTENDED POSITION WHEREBY SAID COVER WILL BE VERTICALLY AND TRANSVERSELY TENSIONED, SAID COVER ASSEMBLY FURTHER INCLUDING AN ADDITIONAL BOW ALSO HAVING LONGITUDINALLY EXTENDABLE LOWER END LEG MEMBERS YIELDINGLY URGED TOWARD EXTENDED POSITIONS, THE LOWER ENDS OF SAID EXTENDABLE MEMBERS OF SAID ADDITIONAL BOW BEING SECURED AND STATIONARILY POSITIONED RELATIVE TO ONE PAIR OF CORRESPONDING ENDS OF SAID GUIDE MEMBERS, A PAIR OF RIGID INCLINED BRACE MEMBERS INCLUDING LATERALLY OUTWARDLY OFFSET UPPER ENDS SECURED TO THE UPPER ENDS OF THE LEGS OF SAID ADDITIONAL BOW AND LOWER END PORTIONS SECURED TO SAID GUIDE MEMBERS AT POINTS SPACED FROM THE LOWER ENDS OF THE LAST MENTIONED LEGS TOWARD THE OTHER ENDS OD SAID GUIDE MEMERS, A SECOND PAIR OF ELONGATED, INCLINED AND LONGITUDINALLY EXTENDABLE BRACES SECURED AT THEIR LOWER ENDS TO SAID GUIDE MEMBERS A SPACED DISTANCE FROM SAID OTHER ENDS THEREOF AND REMOVABLY SECURED AT THEIR UPPER ENDS TO THE UPPER ENDS OF THE LEGS OF THE REARMOST MOVABLE BOW FROM SAID ADDITIONAL BOW, SAID SECOND PAIR OF EXTENDABLE BRACES HAVING URGING MEANS MOUNTED THEREON YIELDINGLY URGING SAID EXTENDABLE BRACES TOWARD EXTENDED POSITIONS.