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[0001] This application is a continuation-in-part of U.S. patent application Ser. No. 09/859,267, filed May 17, 2001, Portable Display and Storage Case, which case claims the benefits under 35 U.S.C. 19(e) of provisional patent application serial No. 60/204,921 filed on May 17, 2000.
[0002] The present invention relates to the field of portable display cases, and particularly, portable display cases that are durable and lightweight, that are capable of easy placement into multiple arrays, that can be manufactured in a variety of attractive appearances, that can be nested for compact storage and easier transport, that can be stackable for appearance, that can be made fire retardant and that can be used to store and transport the items meant for display.
[0003] Display cases are well known in the art. Many types and users of display cases exist. One example of their use includes people who display merchandise at trade shows and art fairs. These users must carry their merchandise from show to show and often set up their display cases for only short times. Numerous trade shows, antique fairs, and flea markets are held in the U.S. each year attracting thousands of exhibitors and customers. Exhibitors desire to set up their displays quickly and efficiently and to secure their merchandise from damage. Exhibitors also prefer to have their merchandise attractively displayed. When floor space is expensive or limited, exhibitors wish the best display and layout possible for the space provided and for the items displayed.
[0004] Some display cases are simply lightweight shelves, which can be modified to create an attractive appearance or to display specific types of merchandise. These provide little security and may not be sufficiently stable to display fragile merchandise. When fashioned to provide stability, they become too heavy for easy travel. Other display cases come in the form of fixed wall cases with a hinged glass or plastic top which lifts up so that objects can be placed in and/or removed therefrom. The tops of these can be locked so that the merchandise within the case is attractively displayed and viewed easily by potential customers. This type of display case is frequently heavy, difficult to transport and provides a limited amount of display area. Larger cases made of glass or other transparent material can provide additional shelves for the display of merchandise but are difficult to move as they are heavy and take up a great deal of space. Furthermore, although these cases can be locked for some level of security, the items contained within remain visible during transport making them prone to “smash and grab” opportunistic theft.
[0005] Other types of display cases with knock-down construction have been developed. These include those disclosed in U.S. Pat. No. 4,553,680 to Griggs and U.S. Pat. No. 5,004,303 to Conway. In such display cases, the top and sides can be separated from one another and the case, once dismantled, is collapsible, taking up much less space. Another display case of knock-down construction is disclosed in U.S. Pat. No. 4,002,233 to Page. While these are generally easy to transport, they don't provide effective storage capability or security for the displayed merchandise and are perceived as less rigid or permanent and therefore less desirable for heavier merchandise. Furthermore, they necessitate both a break down and set up step for their transport and use; this is inconvenient for users who are traveling to many trade shows.
[0006] Portable containers or cabinets, including portable or collapsible cabinets, are also known. U.S. Pat. No. 3,580,650 to Morris discloses a portable cabinet structure of molded plastic for housing electronic equipment. These are generally permanent structures, however, and they can be very heavy, reducing their mobility. Furthermore, they can appear to be of poor quality subjecting the merchandise to a bias because of such poor display. When they are made completely of transparent materials, the merchandise is visible while being transported, leaving the merchandise open to opportunistic theft. These containers are often not fire retardant and can cause damage to the displayed merchandise and its surroundings if they are exposed to fire.
[0007] With the limitations of these designs in place, the invention disclosed herein provides for a portable display case which is permanent and non-collapsible and provides a light weight, a professional appearance, the ability to stack or nest different sized cases together for ease of storage, can be made of fire retardant materials and can store the displayed merchandise securely within the case itself to reduce visibility and reduce the potential for opportunistic theft.
[0008] The instant invention is an improved portable display case for the display of merchandise such as art objects, antiques and the like. It is constructed of lightweight materials for easy transport. The display case can be nested or different sized cases can be placed within one another for improved storage and transport. Several display cases can be stacked to increase the number of possible display arrangements. The display case is constructed to provide long-term storage for merchandise and for security during transport of the merchandise. It provides a professional appearance for merchandise on display. It is made from durable materials to maintain stability and increase lifetime and it is preferably made of fire retardant materials to improve safety. Multiple display cases can be arranged to provide a pleasing setup and to match the dimensions of the display area.
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[0017] The invention is a portable display case to professionally display merchandise at trade shows, antique/collectible shows, flea markets, fairs, traveling museums, etc. The display case is a box having a polygon shape, such as a rectangle or a square.
[0018] In a preferred use,
[0019] The use of the display case to store items is shown in the exploded view of
[0020] Shown in greater detail in the exploded side view of
[0021] In order to improve appearance of the display cases, the front, rear and side wall elements can be covered with carpet or other fabric materials or manufacture in a faux pattern, depending upon the material of manufacture. When carpet or fabrics are used, it is preferable that the materials be fire retardant. These coverings can be secured using adhesives, such as 3M Insulation
[0022] To improve the user's ability to position the display cases and create a desirable overall display, a hook and loop connector such as sold under the trademark Velcro®, or other means for reversible attaching two or more display cases together, can be added to the wall elements and preferably to the rear wall elements. This can include strips or swatches of Velcro®, placed so that the display cases can be aligned into a preferred display arrangement and attached together securely to prevent inadvertent movement.
[0023] In one embodiment, the bottom, front, rear and side wall elements are comprised of one inch thick Styrofoam brand residential foam insulation (Dow) or R5. The front and rear wall elements are approximately twenty-one inches across by four feet high and the side wall elements are approximately twenty-two inches across by four feet high. The bottom wall element is approximately twenty-two inches across on each side and uses roughly a one half inch deep, one inch wide, dado joint approximately one inch from the bottom of the wall elements to connect to the wall elements. A dado is illustrated in
[0024] The wall elements are connected by a rabbet connection cut approximately one half inch into the vertical edge of each side, front and rear wall element. A rabbet is illustrated in
[0025] The dado joint described above is a rectangular channel cut across the face of the wall element. It is commonly used to house the end of an adjoining board. If can also be referred to as a groove depending on whether the cut is with or against the grain of wall elements. Dadoes and grooves are made using the same general techniques. Both offer increased glue surface area over butt joints, help in alignment and provide increased mechanical strength.
[0026] The rabbet joint described above is essentially an open-sided dado on the edge of a wall element. The resultant notch, or step, is a useful joint for cabinet or box corners, and also serves to house recessed components such as cabinet backs, panels, glass and mirrors. Both rabbet and dado joints are well known in the art and are commonly used for a variety of products.
[0027] The joint connections are glued together using polyurethane glue or the like. Dry wall nails can be added to hold the assembled wall elements together while the glue dries. These nails can be removed after the glue dries. The external membrane found on the R5 is removed and a spray adhesive, such as 3M insulation
[0028] In an alternate embodiment, the bottom, front, rear and side wall elements are comprised of two inch thick Styrofoam brand residential foam insulation (Dow) or R5. Equivalent rigid styrene foam blocks, or panels can be used. The front and rear wall elements are twenty-four inches across by five feet high and the side wall elements are fifteen inches across by five feet high. The bottom wall element is twenty-three inches by fifteen inches across on the sides and uses a one and one-half inch deep, one-inch wide dado joint approximately one inch from the bottom of the wall elements to connect to the wall elements. The wall elements are connected by a rabbet connection cut one and one half inches into the vertical edge of each side, front and rear wall element. They are glued together using polyurethane glue or the like. Lightweight screws are added to hold the assembled wall elements together while the glue dries. These screws are removed after the glue dries. A spray adhesive (3M insulation
[0029] The embodiment illustrated in
[0030] In another embodiment, three display cases are produced using one and one-half inch R5 Styrofoam, the first case with external dimensions of twenty-four inches across by five feet high on the sides. The case is assembled as described above. Carpet and plywood are used for the external appearance of the walls and top respectively. The second case has external dimensions of twenty-one inches across by four and three-quarters feet high on the side elements. The case is also assembled as described above. Carpet and plywood are again used for the external appearance. The second case is designed to be stackable on top of or nested inside the first. The third case has external dimensions of eighteen inches across by four and one half feet high on the side elements. The case is assembled as described above. Carpet and plywood are again used for the external appearance. The third case is designed to be stackable on top of or nested inside the second. Additional cases can be stacked as desired and additional designs for stack-ability can be produced such that ease of transport of empty display cases is afforded.
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[0033] The preceding examples are provided for descriptive purposes solely and are not meant to limit the embodiments of the invention. Other configurations of the portable display case will become apparent to those of ordinary skill in the art.