Back to results
US 3,942,830 AGranted
Accordion cover for dump trucks
OwnerBoyd Ray Woodardinventor
Life of this patent
Estimating the term…
Abstract
An accordion type of cover for the load-carrying body of a dump truck having a flexible cover fixed relative to a plurality of support frames, movable by an appropriate drive means from a stacked condition forwardly of the load-carrying body to a spread apart condition over said load-carrying body; the flexible cover, therefore, being selectively disposed in a folded condition forwardly of said body or in a covering relation thereto.
Claims5
An accordion cover for the open top, load-carrying body of a truck comprising,
- A. a flexible cover, adapted to be moved from a normally open, stacked disposition relative to the open top to an extended, closed disposition relative thereto;
- B. a plurality of frame members spanning the open top in a fixed, spaced apart relation along the length of said flexible cover, each of said frame members including a pair of end portions extending downwardly and outwardly of the respective top, side edges of the load-carrying body;
- C. means to movably connect each of said pair of end portions relative to the length of said load-carrying body;
- D. reversible motor drive means;
- E. cable means connecting between said reversible motor drive means and the rearmost of said frame members whereby said flexible cover is selectively movable between said open and closed positions;
- F. said means to connect comprising guide means fixed relative to the outside of opposed side walls of the load-carrying body and including brackets connecting said guide means and said side walls and a collar having a longitudinal slot along its length comprising means to bypass said brackets;
- G. each of said collars having affixed thereto, as by welding, a radially outwardly extending leg of a generally L-shaped bracket, the upstanding leg of which is curved upwardly and inwardly for bolted attachment to a foot plate fixed to one end portion of one of said frame members.
4 more elements
Dependencies are inferred from the claim text.