Accessory cargo carriers for vehicles are becoming increasingly popular, especially as average vehicle sizes decrease in response to fuel economy and efficiency concerns. Hard shelled cargo boxes designed for mounting on a roof rack on the top of a vehicle are commonly used. Soft-shelled containers or cargo bags are also sometimes used. Hard shelled carriers retain a desired shape and may be easier to load and unload than a cargo bag. On the other hand, cargo bags may be collapsible for storage in a vehicle or dwelling. However, when not fully loaded, cargo bags tend to flap in the wind when the vehicle is moving, causing noise and possible harm to items carried inside the bag and/or the vehicle.
A cargo bag is mountable on a roof rack of a vehicle. A container portion may be constructed at least partially of fabric or textile. A strap for securing the container portion to the roof rack is provided. A structure may be adapted to provide shape to the container portion.
Referring now to
An exemplary soft-shelled cargo bag 22 with container portion 24 constructed at least partially out of textile 26 is secured to roof rack 12 of vehicle 10. In some embodiments, container portion 24 is almost entirely constructed with textile 26, whereas in other embodiments, some portions of container portion 24 are rigid and other portions are textile 26. Various materials may be used to construct textile 26, such as polymers. In some embodiments, textile 26 includes polyvinyl chloride (PVC), while other embodiments are PVC-free. It is generally desirable to use materials that are waterproof, or at least water resistant.
Container portion 24 includes base 28 and closure 30 with fastener 32 that is usable to secure closure 30 to base 28, thereby permitting or denying access to an interior of container portion 24. In some embodiments, such as those shown in the drawings, fastener 32 may be a zipper 34. In other embodiments, fastener 32 may include one or more buckles, Velcro, buttons, string, clips, straps among other possible fasteners.
Cargo bag 22 includes at least one strap 36 for securing container portion 24 to roof rack 12. Strap 36 may be constructed with various materials such as nylon or polypropylene. In some instances, such as where vehicle 10 does not include roof rack 12, strap 36 may be used to secure cargo bag 22 directly to roof 14. For example, strap 36 may be extended into a window 38 of vehicle 10 (which would be at least partially opened to receive strap 36), through the interior of vehicle 10, and out of an opposite window 38 (again, at least partially opened to receive strap 36).
Because container portions 24 of cargo bags 22 may be constructed at least partially of textile, cargo bags 22 may collapse when not filled with cargo. However, if cargo bag 22 is collapsed while vehicle 10 is moving, cargo bag 22 may flap about and possibly reduce fuel efficiency, and/or cause excess noise. Accordingly, cargo bag 22 may include structure 40 (see
In some embodiments, structure 40 for maintaining shape 42 of container portion 24 may include one or more semi-rigid elongate members. For example, in
Some embodiments may include multiple semi-rigid elongate members that may be assembled together to form a frame. These multiple semi-rigid elongate members may be assembled to provide shape 42 to container portion 24, similar to the manner in which tents poles are used to provide shape to a tent. In some instances, each semi-rigid elongate member may include an inner lumen so that a string can be fed through the lumens. In embodiments where shape 42 is provided by one or more semi-rigid elongate members, the semi-rigid elongate members may be removable from container portion 24 to make container portion 24 collapsible.
In other embodiments, structure 40 for maintaining shape 42 of container portion 24 may come in the form of foam padding. Referring now to
In some embodiments, foam padding 52 may be contained within an airtight chamber 54. This is seen best in
As noted above, foam padding 52 is biased towards the expanded configuration. Accordingly, when foam padding 52 is in the contracted configuration, valve 58 may be opened to permit gas to enter airtight chamber 54. The biased nature of foam padding 52 causes it to expand, which in turn draws gas into airtight chamber 54. Thus, foam padding 52 automatically expands to provide shape 42 to container portion 24 when valve 58 is opened. In some embodiments, the natural bias of foam padding 52 towards its expanded configuration may not provide sufficient strength to structure 40. In such cases, a user may allow foam padding 52 to expand as far as possible on its own, and then the user can cause additional gas to enter airtight chamber 54 (e.g., by blowing air into valve 58), thus providing additional strength to structure 40.
In some embodiments, multiple pieces of foam padding 52 may be used to provide shape 42 to container portion 24 of cargo bag 22. Referring back to
One concern with securing objects such as cargo bags onto the top of a vehicle, particularly when there is no roof rack and the cargo bag is being secured directly to the vehicle roof, is that the roof may be damaged. Accordingly, in some embodiments, cargo bag 22 may be configured to avoid damaging roof 14. For example, in
Referring now to
In some embodiments, such as those shown in
The various structural members disclosed herein may be constructed from any suitable material, or combination of materials, such as metal, plastic, nylon, plastic or any other materials with sufficient structural strength to withstand the loads incurred during use. Materials may be selected based on their durability, flexibility, weight, and/or aesthetic qualities.
Although the present disclosure has been provided with reference to the foregoing operational principles and embodiments, it will be apparent to those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the disclosure. The present disclosure is intended to embrace all such alternatives, modifications and variances. Where the disclosure recites “a,” “a first,” or “another” element, or the equivalent thereof, it should be interpreted to include one or more such elements, but neither require nor exclude two or more such elements. Further, ordinal indicators, such as first, second, or third for identified elements are used to distinguish between the elements; they do not indicate a required or limited number of such elements, and do not indicate a particular position or order of such elements unless otherwise specifically stated. Any aspect shown or described with reference to a particular embodiment should be interpreted to be compatible with any other embodiment, alternative, modification, or variance.
This application claims priority from U.S. Provisional Patent Application Ser. No. 61/185,136, filed Jun. 8, 2009 which is incorporated herein by reference.
Number | Date | Country | |
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61185136 | Jun 2009 | US |