Winnebago Industries has been granted a patent for a trailer design that includes an internal frame and an external frame. The internal frame is positioned between interior and exterior panels of the housing, while the external frame is spaced from the exterior panels. The design also features a chassis and coupling members that attach the external frame to the housing. GlobalData’s report on Winnebago Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Winnebago Industries, safe seating was a key innovation area identified from patents. Winnebago Industries's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
A patent for a trailer with an internal and external frame
A recently granted patent (Publication Number: US11643157B1) describes a recreational vehicle with a unique design and construction. The vehicle includes a chassis and a housing supported by the chassis, which consists of a first side wall, a second side wall, a roof, and an internal frame positioned between interior and exterior panels of the housing.
One notable feature of this recreational vehicle is the inclusion of an external frame, which is separate from the housing. The external frame consists of a pair of top frame members spaced at a fixed distance from the housing, along with cross-support frame members that are coupled between the top frame members. The external frame is connected to the housing through coupling members, which are attached to the external frame at one end and to the housing at the other end. These coupling members can also be connected to the internal frame through fasteners.
The patent claims also mention various additional features of the recreational vehicle. For instance, it can be a towable trailer and may have a semi-tear-drop side profile. The pair of top frame members are shaped to match the housing's adjacent area, and they have a circular cross-section. The vehicle may also include a single axle with two wheels, with the axle supporting the chassis. The first side wall of the housing may have a single window cutout.
Regarding the materials used in the construction, the internal frame can be made of aluminum or wood, while the external frame is made of metal. The external frame may also be powder-coated for added durability. Additionally, the recreational vehicle may have means for coupling the external frame to the internal frame.
Another feature mentioned in the patent claims is the presence of a fender, which is coupled to the housing and positioned directly over one of the wheels.
Overall, this granted patent describes a recreational vehicle with a unique design that includes an external frame separate from the housing, providing additional support and structural integrity. The various features mentioned in the claims highlight the specific design elements and materials used in the construction of this recreational vehicle.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
