Patent ID: RE41078

Claim:
An adjustable assembly for a cargo box cover for use on a cargo box having upwardly extending left and right side walls, a front wall and a rear end gate wall, said walls defining the boundaries of the cargo box, the cargo box cover having a left and right rail side rails connected to said left and right side wall s, respectively , an elongate tensioning rail having a left and right end ends said elongate tensioning rail extending from said left side rail to said right side rail , and further having a flexible cover fixedly attached along to said elongate tensioning rail, said adjustable assembly comprising: left and right adjustable threaded screw connection mechanisms, including: a respective left and right block means connected secured portions secured to said left and right rail side rails, respectively ; a respective left and right attachment block means adjustable portions connected to said left and right end of said tensioning rail respectively ; and an adjustable connection means for connecting said tensioning rail to respective adjustable screws interconnecting the respective adjustable portions to the respective secured portions; and a graduated measuring scale on the left and right side rail so as to provide a measurement guide for accurate adjustment of the respective left and right sides of the tensioning rail with respect to said left and right side rail.