Abstract An automatically retractable cover for a truck particularly of the dump truck type wherein the cover is attached at its forward edge to a horizontal rod mounted transversely atop the forward portion of the cab protection platform of the truck bed. The rear edge of the cover is attached to the cross member of the generally U-shaped support member. The arms of the U-shaped support member. The arms of the U-shaped support member have their outer ends fixedly secured to a shaft that is pivotally mounted beneath the truck bed. A piston in a cylinder mounted beneath the truck bed has its piston rod actuated responsive to a switch within the cab of the truck. The rod in turn drives a crank arm that is radially attached to the shaft to pivot the Ushaped support member from a forward position with the truck bed uncovered, to a rearward position where the bed is covered. A shaft having three spring loaded pulleys thereon is mounted beneath the forward end of the cab protection platform. Cables on the pulleys pass upwardly through apertures in the platform then around a second set of pulleys mounted atop the platform. Next the cables are threaded through rings attached along the length of the canvas with the ends of the cables being attached to cross member.
A retractable cover for a truck of the type having an open top carrying compartment comprising a cover having rings spacedly attached along its length with the rings forming a plurality of columns, a platform at the forward end of said carrying compartment, means mounted on the platform for securing the front end of said cover, a first shaft mounted beneath the carrying compartment of the truck, a U-shaped support member having the outer ends of the arms fixedly secured to the opposite ends of said first shaft, means securing the rearward end of the cover to the cross member of the U-shaped support member, a second shaft having a plurality of spring loaded pulleys thereon and being attached to said platform, a cable attached to each of said pulleys and being threaded lengthwise through the rings on said cover with the ends of said cables being secured to said cross member.
Claim 2
Dependent Claim
152 words
A retractable cover for a truck of the type having an open top carrying compartment comprising a cover having rings spacedly attached along its length with the rings forming a plurality of columns, a platform at the forward end of said carrying compartment, means mounted on the platform for securing the front end of said cover, a first shaft mounted beneath the carrying compartment of the truck, a U-shaped support member having the outer ends of the arms fixedly secured to the opposite ends of said first shaft, means securing the rearward end of the cover to the cross member of the U-shaped support member, a second shaft having a plurality of spring loaded pulleys thereon and being attached to said platform, a cable attached to each of said pulleys and being threaded lengthwise through the rings on said cover with the ends of said cables being secured to said cross member.
Claim 3
Dependent Claim
39 words
A retractable cover as recited in claim 1 further comprising means to rotate said first shaft whereby said U-shaped support member is caused to pivot forwardly carrying the cover therewith and gathering it into a pile on the platform.
Claim 4
Dependent Claim
39 words
A retractable cover as recited in claim 2 wherein said means to rotate said first shaft comprises a crank arm having its one end rigidly attached to said first shaft and its other end attached to a piston rod.