This invention relates generally to the field of pallets used for movement, transport and storage of goods, and more particularly relates to braces, racks or frame attachments adapted for attachment to wooden pallets to improve retention of odd-shaped goods that are stacked edgewise, such as picture frames or mirrors.
Rectangular goods that are thin in cross-section, such as mirrors or picture frames, are shipped and stored on pallets with the objects and boxes aligned side-by-side and upright, i.e., with the thin sides of the objects or boxes positioned on the bottom and top. Plastic wrap, straps or similar means are stretched around the perimeter to hold the objects or boxes in place. Once the pallets arrive at the final destination where the individual objects or boxes are to be removed, the wrap or straps are cut. Because the pallet only supports the boxes from below, there is a tendency for the boxes to tilt to one side or the other after the wraps or straps have been removed, which often results in damage to the goods. Furthermore, it is very common to store the objects or boxes on the pallet after the wrap or strap has been removed such that individual objects or boxes can be removed as needed. To protect the objects from damage, it is common to attempt to maintain the objects or boxes in an upright orientation by leaning them inwardly from both sides after one or more have been removed, or by placing some sort of heavy object next to the pallet.
It is an object of this invention to provide a brace attachment device adapted to be mounted onto a wooden pallet, the brace attachment preventing the stacked boxes from excessive tilting once the wrap or straps have been removed. It is a further object to provide such a device which folds into a low profile atop the pallet such that storage or transport of empty pallets is more easily accomplished.
The invention is a brace attachment device for wooden pallets, the brace attachment device comprising a pair of assemblies attachable to opposing sides of a pallet. Each assembly comprises a pair of legs connected by a cross-brace and a mounting bracket associated with each leg. The mounting brackets are structured such that the legs can be repositioned between a generally horizontal and flat storage position substantially parallel with the top of the pallet, and a vertical support position, the horizontal orientation being useful during storage or transport of empty pallets, while the vertical orientation is the operational orientation to retain the boxes. The mounting brackets are provided with a pair of vertical slots and the legs are connected to the mounting brackets by a bolt running through the slots, thereby allowing the legs to be folded by first raising them relative to the slot and then pivoting them to the horizontal position, the lower portion of the slot being adjacent a retention member which maintains the legs in the vertical orientation by preventing any pivoting when the leg members are fully received in the brace members.
The brace attachment device may further comprise an extension assembly comprising a pair of extension legs and an extension cross-brace, the extension legs being retained telescopically within the legs of the main assembly. Locking means are provided to maintain the extension assembly in the extended position. Traversing cables extending between the two assemblies may also be provided to define a framework on all four sides of the pallet.
With reference to the drawings, the invention will be described in detail with regard for the best mode and preferred embodiments. In general the invention is a brace attachment device for wooden pallets, the brace attachment device comprising a pair of assemblies attachable to opposing sides of a pallet. Each assembly comprises a pair of legs connected by a cross-brace and a mounting bracket associated with each leg. The mounting brackets are structured such that the legs can be repositioned in either a horizontal position or a vertical position, the horizontal orientation being useful during storage or transport of empty pallets, while the vertical orientation is the operational position to retain objects or boxes positioned on the pallet in upright orientation. The mounting brackets are provided with a pair of vertical slots and the legs are connected to the mounting brackets by a bolt running through the slots.
The brace attachment device may further comprise an extension assembly comprising a pair of extension legs and an extension cross-brace, the extension legs being retained telescopically within the legs of the main assembly. Locking means are provided to maintain the extension assembly in the extended position. Traversing cables extending between the two assemblies may also be provided to provide a framework on all four sides.
As shown in the figures, the brace attachment device comprises a first assembly 10 and a second assembly 20, the assemblies 10 and 20 being mounted on opposing sides of a pallet 99. First assembly 10 comprises a pair of leg members 11 joined at or near their upper ends 14 by a cross-brace member 12, the cross-brace member 12 being attached to the leg members 11 by welding, mechanical fasteners or the like. The leg members 11 and cross-brace member 12 are preferably composed of tubular metal that is square in cross-section, although other materials of composition and other shapes will prove suitable. The lower end 15 of each leg member 11 is connected to a mounting bracket 30 in a manner that allows for limited relative movement between the mounting bracket 30 and the leg member 11, such that the leg member 11 can be oriented either vertically or horizontally.
Second assembly 20 is identical or at least similar in structure and composition to first assembly 10, and is comprised of leg members 21, cross-brace member 22 and mounting brackets 40.
As shown in
Leg member 11 is provided with bolt-receiving apertures 13 near its lower end 15, whereby a rod, bolt or similar structural member 37 may be inserted and fastened through the opposing slots 35 and bolt-receiving apertures 13, thereby securing the leg members 11 to the mounting brackets 30 in a manner that allows the leg members 11 to be lifted vertically from the mounting brackets 30 and tipped into the horizontal position, as shown in
Mounting brackets 40 for the second assembly 20 are identically or at least similarly constructed to mounting brackets 30 and perform in the same manner as described immediately above.
The brace attachment device may further comprise traversing cables 50 or similar elongated members extending between the leg members 11 of the first assembly 10 and the leg members 21 of the second assembly. Preferably, the cables 50 are releasable for easier removal of the boxes from the pallet. With this structure, restraint or support is provided on all four sides of the pallet 99.
In another alternative embodiment, the brace attachment device may further comprise one or two extension assemblies 60, the extension assembly 60 comprising a pair of extension leg members 61 joined by a cross-brace member 62. In this embodiment, the leg members 11 and 21 are provided with openings in their upper ends 14 such that the extension leg members 61 are telescopically received by the leg members 11 and 21. Alternatively, brackets or similar members could be mounted externally on leg members 11 and 21 to receive the extension assemblies 60. Mechanical members 63 adapted to lock the extension assembly 60 in the extended position, such as a setscrew disposed on leg members 11 and 21, are provided.
With the assemblies 10 and 20 in the upright orientation, edge-stacked objects or boxes on the pallet 99 are precluded from excessive tilting. Individual objects or boxes are easily removed through either open end of the pallet 99. When the pallet 99 is empty, the assemblies 10 and 20 may be folded into the compact orientation such that multiple pallets are readily stacked.
It is contemplated that equivalents and substitutions to certain elements set forth above may be obvious to those of ordinary skill in the art, and therefore the true scope and definition of the invention is to be as set forth in the following claims. The above description and drawings are meant to be illustrative rather than limiting.
This application claims the benefit of U.S. Provisional Patent Application Ser. No. 61/459,537, filed Dec. 14, 2010, the disclosure of which is incorporated herein by reference.
| Number | Date | Country | |
|---|---|---|---|
| 61459537 | Dec 2010 | US |