Pickup truck rail bed cover

Freight accommodation on freight carrier – Load lashing retainer or load lashing adjunct – Wraparound

Reexamination Certificate

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Details

C410S106000, C410S110000, C296S050000, C024S0680CD

Reexamination Certificate

active

06821067

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to beds of pickup trucks and, more particularly, is concerned with the metal plate cover for being attached over the upper edges and the sides and tailgate of a pickup truck bed for providing an external tie down means.
Pickup trucks are the largest selling vehicles in the United States. Their popularity is a function of how they look, how the owner feels about his vehicle and the work that pickup trucks can accomplish. Customization of pickup trucks is routine as owners add their own personalities to their truck.
One of the most popular ways to customize a tuck is to add a bed liner, a tool box or side rails with multiple attachment points. Attachment points sometimes come with the vehicle from the manufacturer, but more often are an aftermarket item.
Typical manufacturer attachment means are eye bolts attached to the up-facing four corners of the bed. Other typical aftermarket attachments means are hook or eyes on the inside of a rail attached to the bed. There are significant drawbacks to the current tie down means.
With eyes, a long rope has to be threaded through each eye, a time consuming task which reduces the productivity of the truck operator. With internal tie down means, the useful interior volume of the truck bed is reduced not only by the extension of the attachment means themselves from both sides of the bed, but also additional space must be allowed to manipulate the rope in around and/or through said tie down means.
An external tie down means would allow the full size of the truck bed to be productively used. If the external tie down means were also contoured and complimentary to the natural lines of the truck body, then the installation would be attractive, masculine and functional.
One manufacturer bolts a double ended cleat onto the exterior side of the truck bed. The cleat extends outward such that it could catch passersby, whether human or non-human. An exterior attachment means that had a smooth curve from outside to inside as an integral part of a reinforcing rail would allow full utilization of the truck bed while minimizing the chance of hooking passersby.
Manufacturers' tie down means are attached to a single point of a thin piece of sheet metal. Accordingly, the load that such tie downs can secure is limited by the strength of a single tie down point. External tie down means that were an integral part of a rigid rail with a plurality of attachment points from the rail to the bed would be preferred.
Single point attachment means concentrate the stress at the point of attachment. When a load moves, for example when going over a bump in the road, high stress is placed on said attachment point. A design which spread the load across a broad area would be inherently more resistant to stress-caused failure than a design with the load focused on a narrow, highly stressed area.
Of particular concern is the strength of the tailgate. This piece is light weight and normally not designed for tie down means. Large or unwieldy loads need to be tied down in more than just two directions. A tailgate skin that reinforced the manufacturers' tailgate could be used to tie down unwieldy loads in a third dimension, thus securing said load more efficiently.
2. Description of the Prior Art
Tie down covers have been described in the prior art. However, none of the prior art devices disclose the unique features of the present invention.
U.S. Pat. No. 4,850,770 issued Jul. 25, 1989, to Millar, Jr. discloses a tie-down anchor attachable to any location along the side rail of a pickup bed, which anchor includes an L-shaped member having a horizontal leg which extends outwardly across the top of the side rail, and a vertical leg which extends downward to the inside of the side rail. A tie-down connection member, such as a hook, is attached to the horizontal leg extending upwardly. A hole is formed in the horizontal leg of the L-shaped member between the tie-down connection member and the vertical leg. A U-shaped clamping member has two legs, which define a vertical slot, so that the clamping member may straddle the lip of the side rail, with one leg outside and the other leg beneath the side rail and inside the side rail lip. A vertical hole is formed through the outer leg of the clamping member. A threaded bolt extends through the hole in the horizontal leg of the L-shaped member, through the hole in the outer leg of the clamping member, and is threadingly engaged, so that when the bolt is tightened, the side rail is tightly clamped between the horizontal leg of the L-shaped member and the upper surface of the inner leg of the clamping member, while forcing the inner surface of the vertical leg of the L-shaped member tightly against the outer surface of the clamping member.
U.S. Pat. No. 5,443,342, issued Aug. 22, 1995, to Hamilton discloses a tie-down device which is removably securable without tools to an inside, downwardly oriented edge of the inner sidewalls of a pickup truck bed. The device has a stationary portion with an upwardly oriented edge of the inner sidewalls of a pickup truck bed. The device has a stationary portion with an upwardly oriented front lip which inserts under the edge of the inner sidewall and has a loop connected to the front lip by means of a “U” shaped valley so that the loop extends upward on the inside of the truck bed. A movable portion which movably engages the front loop can first be moved upward in order to position the device so that the outwardly oriented edge is inserted in a gap formed between the front lip and a wedge shaped bumper provided on the movably portion. The movable portion can then be moved downward to secure the device to the pickup truck by wedging the downwardly oriented edge between the bumper and between a vertical face of the front lip. The front lip is provided with a rubberized coating to prevent the device from scratching the finish of the truck bed.
U.S. Pat. No. 5,987,711 issued Nov. 23, 1999, to Parsons discloses a rope clamp which is suitable either for use to hang adjustably an article suspended by a rope, or to act as an adjustable tie down. The clamp has a clamping rope channel between a pair of parallel plates. Clamping ribs are located in the rope channel to grip the rope frictionally and to narrow the channel towards it base. One plate of the pair narrows towards one end to leave exposed parts of an inner face on the other plate. Guides to maintain the rope in the rope channel are located on the exposed parts.
U.S. Pat. No. 4,607,991 issued Aug. 26, 1986 to Porter discloses a self-latching tie down or bolt down anchor for use in securing loads to open truck beds. The anchor is intended for installation in the cavity commonly provided in the bed or side walls of pickup truck to receive the lower end of the support post of a rack.
U.S. Pat. No. 5,738,471 issued Apr. 14, 1998 to Zentner et al. discloses a cargo tie down assembly for disposition in the stake opening of a pickup truck or similar vehicle which facilitates ready installation, secure mounting and easy removal. The tie down assembly includes a plastic base member having a flange which overlies the stake opening on the truck bed rail and a centering projection depending from a flange which is substantially complementary to the size and shape of the stake opening and centers the member therewithin. The tie down also includes an integrally formed eyelet and flange member having an elongate threaded member which receives a conventional expandable toggle assembly. A through opening in the flange member receives the toggle and threaded member and a split collar on the flange member allows expansion of the toggle and its retention under the rail of the truck.
U.S. Pat. No. 4,818,162 issued Apr. 4, 1989 to Zukowski et al. discloses a tie down device for securing an object to a cargo bed comprising a substantially channel-shaped structure which removably mounts along a side of the bed and is infinitely adjustable there along. The device includes a lower hook which wra

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