Abstract: An inexpensive, portable desktop bookcase is an open-sided carton suitable for holding a small number of books. The desktop bookcase allows the books to be portably stored together on the desktop, conveniently accessible, removable and replaceable. The bookcase carton is formed from folding a two-dimensional production blank, resulting in a storage unit which is suitable for its desktop purpose, as well as for transporting books from one location to another.

Abstract: A folding collapsible storage rack is constructed to include a vertical rectangular back frame, two vertical side frames respectively hinged to two opposite long sides of the back frame, a plurality of bearing members respectively pivoted to the back frame at different elevations, and a plurality of angle fittings respectively fixedly fastened to the side frames at different elevations and adapted to support the bearing members in horizontal for keeping things after the side frames have been turned outwards from the back frame to an extended position.

Abstract: A shelf comprising a base part (2) and at least one side (3) rigid with said base part, in which to enable the side (3) to be varied in position relative to the base part (2) and to maintain the position assumed, the side (3) and base part (2) are joined together by at least two deformable elements.

Abstract: A portable storage apparatus that suspends from a stationary object and neatly collapses into a compact form for easy storage and transport, consisting of fabric backing with a tapered top end housing four rigid shelves evenly spaced in front with four support rods attached to shelves providing rigid support and secure attachment to the fabric backing along with locking mechanisms under each shelf to maintain a horizontal angle and enhance shelf stability. A continuous cord passes through holes on one side of rigid shelves, through a back support bar, through grommets, forming a loop with hook, and back down the other side. The suspension allows for adjustable hanging height along with additional stability and support. Once unfolded in a hanging position, two support rods slide into vertical support rod access channels sewn into fabric backing along either side in the back.

Abstract: A shelving system constructed from paper includes at least one column made from paper that is sufficiently rigid and strong to support an intended object, and at least one shelf supported by the column, which shelf includes a surface on which the intended object may be placed. The column and shelf may be constructed from a sheet of paper designed to be folded into the column and shelf respectively.

Abstract: A foldable, point-of-purchase display stand is disclosed. The display stand is manufactured from a piece sheet of corrugated board. The display stand has a shelf that is secured by a hook affixed with a pop rivet or eyelet. The disclosed stand is stable for weight-bearing for use in the advertising industry for displaying books and magazines. The display stand of the invention is quickly and easily assembled.

Abstract: A folding container with two equal frames (1, 2), which are parallel and superimposed, at least one pair of folding arms (5, 6) formed of flat structured scissors elements which connect the two frames (1, 2), a series of intermediate detachable trays (18, 19), assembled at different heights between each pair of folding arms, and at least two mounting columns (20) each made up of at least two telescopic sections (21, 22) the columns being attached at one end to a top frame (1) of the two equal frames, while at the opposite end they are attached to a lower frame (2) of the two equal frames. The arms (5, 6) permit relative movement of the frames (1, 2) between a maximum separation mounting position and a folded or minimum separation position.

Abstract: This invention relates to a merchandise display case comprising several trays (1), each tray (1) being installed free to pivot about first hinge pins (10.1 to 10.4) at two opposite sides on uprights (2.1 to 2.4) to form a deformable parallelepiped with these uprights (2.1 to 2.4), the uprights (2.1 to 2.4) being installed on a frame (4) through second pivot hinge pins (20.1 to 20.4), characterized in that the second hinge pins (20.1 to 20.4) of at least one pair of articulated uprights (2.1, 2.2 and/or 2.3, 2.4) at opposite ends close to the same longitudinal side (11.2) of the trays are fixed to means (5) sliding vertically with respect to the frame (4).

Abstract: A foldable and stackable rack assembly shaped and sized for holding at least one article. The assembly comprises a shelf being sized and shaped for supporting the weight of at least one article. The assembly additionally comprises legs, pivotably attached to the shelf, each leg having a proximal end and a distal end. The proximal end is pivotably attached to the shelf and pivotable between a first position generally perpendicular to the shelf and a second position generally parallel to the shelf. The distal end is formed to engage a horizontal surface to support the shelf when in the first position and alternately allowing the stacking of multiple rack assemblies together. In the stacked configuration, the distal end of each leg engages a second shelf of similar construction, when in the first position, so as to secure a leg of the second shelf in the first position.

Abstract: A stackable and nestable rack including a surface platform, formed of lateral and/or longitudinal wires, a perimeter frame at least formed along the sides of the formed platform, the rods forming the perimeter frame are bent downwardly, into the configuration of legs, and the legs are integrally bent or formed extending outwardly, and incorporate integral transverse rods formed of the feet to provide structure for stacking of two or more racks one upon the other, but with their integral rod formed of the feet assuring that a pair of stacked racks will remain erected, when stacked and assembled. In addition, a pair or more of the racks may be nested, together, into a very snug configuration, when stored.

Abstract: The present invention relates to a display rack primarily including a main frame made of light-weight plastic corrugated board and a number of movable partitions supported by a number of supporting pieces fixed on the main frame so that the main frame is divided by the partitions into a number of holding rooms. The present invention is characterized in that the corrugated board of the main frame has a plurality of grooved rails longitudinally disposed in parallel. The supporting pieces are made of hard material and include at least one blocking extension strip at one side thereof which is vertical to the surface of the supporting pieces. The surface of the supporting piece is fitted with a locking groove near the bottom end of the blocking extension strip in order that the protruding blocking extension strip of the supporting piece is able to be inserted into the grooved rails while the locking groove near the bottom end of the blocking extension strip is fixed on the surface of the main frame.

Abstract: A rack for holding a variety of sports equipment has a U-shaped main bracket mounted to a wall. The U-shaped bracket has first and second vertical members, to which pairs of arms are coupled spaced along the length of the frame. Distal ends of one or more sets of the arms are recessed to receive and support a bicycle frame. Horizontal members of various lengths and spacings are coupled to the top surface of the sets of arms, to provide horizontal support surfaces, as well as support for pairs of skis and bags of golf clubs.

Abstract: A mobile support platform is mounted as a unit on, and is removed as a unit from, a display stand for supporting articles. The platform includes a generally planar, support panel sandwiched between a pair of generally planar, base panels of the stand. A pair of side lifts on the support panel elevates the base panels above a floor to enable access to a power-operated prong of a forklift. A pair of side wheel assemblies on the support panel enable the stand to be manually pushed and rolled from place to place.

Abstract: A shipping rack easily convertible to an extended mode for storing and shipping product, a display mode for displaying product, and a collapsed mode for storing the rack itself. The rack includes a pair of central support columns and a pair of outer posts on either side of the columns. A plurality of shelves are pivotally mounted between the posts and columns. In the extended mode, the shelves are horizontal. As the columns are raised with respect to the posts, the shelves pivot to the desired inclination. Once the shelves are essentially vertical and the posts are drawn close to the central columns, the rack is in the collapsed mode. The rack can be secured in any mode by a strut. A spring counterbalance system installed within one of the central columns assists the mode conversion of the rack.

Abstract: Storage furniture comprising a rigid, largely external structural framework and a compatibly shaped storage system, suspended within, comprising a plurality of panels that are flexible, tensilely strong, substantially inelastic and adjustably, tensilely stressed in at least two largely perpendicular directions to achieve "near-rigid" storage surfaces. Storage system further being flexibly reinforced, intrapanelly and extrapanelly, to maximize panel rigidity and load-bearing capacity.

Abstract: An integrally formed hanger fixture includes a substantially vertically oriented wall having a top end and a bottom end. A substantially horizontally oriented wall is connected to the top end of the vertical wall. A retainer element is disposed on the vertically oriented wall. A wing overlies the horizontally oriented wall. A hinge connects the wing to the horizontally oriented wall. The hinge enables the wing to pivot in relation to the horizontally oriented wall until the wing is disposed beneath the horizontally oriented wall. The retainer element can be a wall, a layer of adhesive, a channel or an aperture. A rear retainer wall is preferably connected to the bottom end of the vertically oriented wall and extends upwardly therefrom in a substantially parallel manner. The hanger fixture can be used in a number of different ways to fasten display racks to a variety of different types of store shelving.

Abstract: A multiple product display stand is disclosed which is free-standing and generally rectangular in shape with a rearwardly inclined open front to more openly display the products to the consumer. The display stand has a means for presenting additional packaging to consumers so that they will be able to select and package a desired selection of the products being displayed upon one or more vertically spaced, rearwardly inclined shelves.

Abstract: A space saver shelving unit adapted to straddle the tank of a toilet for convenient shelves above the tank. The shelving unit includes detachable leg members which connect to a folding upper section. The upper section has a plurality of shelves pivotably attached to a rear panel and front posts. The leg members are secured to the back panel and posts to supply rigidity retaining the shelves in their proper position. The foldable shelving unit allows for convenient storage and shipment by folding to a flat surface.

Abstract: A multi-functional display rack including a base structure in combination with movable side walls provided with fan-shaped side racks is disclosed. The base structure fabricated by a rear wall and two lateral side walls and equipped with a table face, an upper layer, and a lower layer is mainly retained by two metallic rectangular posts, each having two pivoting plates disposed at both upper and lower outer side thereof. The movable side wall fabricated mainly by a pivoting post and a supporting leg is provided with three transverse beams, each having two annular tubes pivotally joined to one side of the fan-shaped side racks. The pivoting post thereof can be joined to the pivoting plates thereof via screws so as to engaged the movable side wall with the rear wall of the base structure.

Abstract: A collapsible point-of-purchase display apparatus articulable from a single unitary blank of foldable material, and upon articulation, positionable and free standing on a support surface, without formal assembly at the point of purchase location. The apparatus includes a frame and at least one shelf for the display of goods thereon. Furthermore, the apparatus is capable of being reversibly further articulated from its substantially upright, rigid three dimensional display configuration to a substantially flat, planar collapsed configuration for efficient shipment. The apparatus may further include a header board attached to the back panel of the apparatus to further promote and advertise the goods displayed.

Abstract: The display rack has a frame with a top wall and side walls and a cavity therein. The frame contains plural nested shelves that can pulled out of the cavity to an extended position or pushed into the cavity. The nested shelves can individually be nested to allow selective adjustment of the amount of shelf space that is available for use. Each nested shelf has a top wall and side walls. The top walls of the nested shelves and of the frame serve to support products for sale. The nested shelves are slidingly coupled together with drawer guides connected to the side walls. There is also provided a secondary or rear shelf that slides inside and out of the frame. There is also provided a top shelf on top of the frame. Wheeled legs support the rack off of the floor.

Abstract: A wheeled display rack comprising a back panel, two side panels connected to the edges of the back panel, a plurality of removable shelves and a wheeled support including rotatable wheels. The wheeled support is movable between an active position in which the display rack may be supported by the wheeled support and an inactive position in which the display rack may not be supported by the wheeled support. In one embodiment the wheeled support comprises a wheel carriage and the side panels may or may not be collapsible. In another embodiment, the wheeled support comprises rear frame members of side panels which must be collapsible in order for the wheeled support to reach its active position.

Abstract: A collapsible stand, having a number of shelves, which can be placed on the floor of a school locker to store and arrange small articles thereon in a convenient manner, and wherein the stand is self-locking and requires no manually manipulated braces for maintaining it in an operational position.

Abstract: A folding article of furniture, such as a bookcase or other storage unit, has in its conventional aspects a vertically extending back piece, at least one vertically extending side piece secured to the back piece, and a vertically spaced plurality of shelves secured to the back piece. Each side piece is pivotable over a 90.degree. angle relative to the back piece between a parallel or collapsed orientation and a perpendicular or use orientation, and each shelf is pivotable over a 90.degree. angle relative to the back piece between a parallel or collapsed vertical orientation and a perpendicular or use horizontal orientation. In its novel aspects, the side piece and the back piece are secured together without a hinge.

Abstract: An integrally formed hanger fixture includes a substantially vertically oriented wall having a top end and a bottom end. A substantially horizontally oriented wall is connected to the top end of the vertical wall. A front retainer wall is connected to the bottom end of the vertically oriented wall and extends upwardly therefrom in a spaced substantially parallel manner. A wing overlies the horizontally oriented wall. A hinge connects the wing to the horizontally oriented wall. The hinge enables the wing to pivot in relation to the horizontally oriented wall until the wing is disposed beneath the horizontally oriented wall. A rear retainer wall is preferably connected to the bottom end of the vertically oriented wall and extends upwardly therefrom in a substantially parallel manner. The hanger fixture is used to hold a display rack to a store shelf.

Abstract: A pre-assembled wheeled assembly is attached as a pre-assembled unit to a foldable, erectable display stand, and is removable as a pre-assembled unit from the stand. The wheeled assembly includes a support, at least one wheel journaled on the support, and holders on the support for quick and easy attachment and removal of the wheeled assembly.

Abstract: A display arrangement includes a support structure including a rear wall, and a pair of side walls jutting out of the rear wall substantially perpendicularly thereto and connected to it in a manner maintaining them in their respective positions relative to one another so that such walls together bound a confining space. At least one pair of supporting formations is integrally formed out of the side and rear walls, each of such formations including two segments one extending substantially perpendicularly to the rear wall and the other extending along one of the side and rear walls to hold the one segment in position. At least one tray bounding a space for containing items to be displayed in the display arrangement is supported in the confining space of the support structure on the one segment of each of the supporting formations.

Abstract: A collapsible display stand having an article retaining member, including a plurality of vertical panels forming a generally U-shaped structure with an enclosure open at the front, and an article supporting base member, attached to the retaining member in the enclosure and including a plurality of inner support panels. The base member is adapted to move automatically from a collapsed condition to an erected condition when the retaining member is opened.

Abstract: A display assembly includes a box of articles to be displayed at a point of purchase. A bottom portion of the box is glued to a tray unit glued to the top deck of a display base. The tray has side and front flaps providing a receptacle for the bottom of a shipping sleeve surrounding the box, with the flaps taped to the shipping sleeve during shipment. Parallel, horizontally-spaced runners support the display base above the floor. A roller mounted between the runners near the rear ends thereof enables tilting the assembly onto the roller to conveniently roll it along the floor from one location to another, when desired. The entire display base, including the deck, runners and roller assembly, is made of fibreboard. The runners, bearing boxes and cross-bracing are made of die cut corrugated fibreboard build-ups. The roller assembly is made of a combination of spiral wound paper tubes, the inner tube being the axle received in die cut sockets in the bearing boxes.

Abstract: A display assembly constructed of corrugated paperboard comprising two triangular vertical end columns with a center wall supported therebetween for affixing materials to be displayed and a header member affixed to the top of the two end columns and extending therebetween to provide lateral stability and serve as an additional display area. The display is manufactured to be delivered to the user in a flat knocked-down folded condition. The display is designed to be easily assembled by the user at the point of use without any tools or connectors other than those that are a part of and integral to the corrugated panels which are assembled to form the display.

Abstract: An article organizing shelf frame includes a lower unit adapted to be placed on for example ground and an upper unit detachably mounted on the lower unit. The lower unit has two first rear legs to each of which a first side frame comprising a front leg is pivoted to be rotatable between an expanded position and a stowed position. A first article support member is disposed between the first side frames and pivoted to the first rear legs to be movable between an expanded position and a stowed position. The upper unit has two second rear legs having reduced lower sections to be fit into holes formed on the first rear legs of the lower unit. Two second side frames are respectively pivoted to the second rear legs to be rotatable between an expanded position and a stowed position and each having a second front leg dimensioned to be supported on the respective first front leg.

Abstract: An improved stand for displaying merchandise is provided in a rack for displaying merchandise comprising; a bottom frame comprising; a front member; a pair of side members; a display frame pivotally attached to the bottom frame wherein the display frame comprises; side legs; two parallel shelf arms pivotally attached to the side legs; at least one cross-member attached to each shelf arm such that the shelf arms remain parallel; at least one swing support attached to the shelf arm and the side legs; at least one adjustable support rotatably mounted to the bottom frame and rigidly attached to the display frame wherein the adjustable support comprises; a tube; an elongated member slidably mounted to the tube; a locking element for reversibly fixing the position of the elongated member relative to the tube.

Abstract: A merchandise display rack assembly. The assembly comprises in combination at least one box having an open top for containing merchandise to be displayed in a supporting rack. The rack includes spaced box-support bars arranged to provide a crib for reception of the box with its defining walls in bearing engagement with the bars and its open top canted forwardly for customer viewing and personnel access.

Abstract: A display stand includes multiple support surfaces which can be configured to lie in a single plane to form a table top or in vertically spaced planes to form a multi-tiered display stand. The display stand includes a center section and one or more extensions which substantially surround the center section. The center section is supported by legs which are pivotally attached to the center section. The extensions include locking members disposed along an inner edge thereof for releasably engaging the outer edge of the center section or an adjacent inner extension. When the center section and extensions are locked together, they lie in a common plane to form a table top. When the extensions are disengaged from the center section and each other, the extensions can be lowered so as to rest on the legs in a vertically spaced relationship to one another. The height of the display stand can be adjusted by pivoting the legs inwardly and outwardly relative to the vertical axis of the display stand.

Abstract: An erectable stand for displaying objects includes a generally planar back panel and at least one mounting flap that is hinged to the back panel. At least one separate peg is mounted on the mounting flap such that its suspending portion projects past an exposed edge portion of the flap. The flap is substantially coplanar with the back panel and the peg is situated adjacent the back panel in a collapsed position of the flap, while in an erected position the exposed edge portion of the flap is remote from the back panel and the peg projects generally perpendicularly of the back panel. The mounting flap and peg are kept in the erected position while the stand is in use for maintaining at least one object suspended from the suspending portion of the peg.

Abstract: A portable display which comprises a front panel, a back panel, opposed side panels extending between the front and back panels, a bottom panel assembly consisting of four bottom flaps each connected to one of the front, back and opposed side panels, and, top, bottom and intermediate shelves vertically spaced along the back and side panels. The bottom flaps of the base assembly are foldable into a closed position to form a seat which mounts a wheel assembly including a mounting block or axle carrying wheels at either end. The back panel is provided with a handle for moving the display from one location to another, and such handle is formed with slots to receive a header containing advertising for the products being sold.

Abstract: First and second corrugated single ply paperboard side members are formed of rectangular tubular nested boxes to provide rigid elongated members. The members are secured to a corrugated single ply box-like collapsible paperboard stiffening structure at a base region which rigidly spaces the side members in a display state and which secures the side members together in the collapsed state. A plurality of single ply corrugated shelves are releaseably interlocked to and between the side members to provide additional bracing action. A like plurality of single ply corrugated article receiving display trays releaseably rest on the shelves and are horizontally immobilized with a tab arrangement. A cap is releaseably secured on the tops of the side members to stiffen the side members in the display state relative to each other. A tray assembly is placed over the cap and releaseably rests on the cap with a pair of oppositely disposed trays which slope downwardly at the top of the display stand.

Abstract: A display rack having a foundation consisting of a back, top, bottom and sides and a core which can be folded to fit within the foundation creating multiple shelves within the rack. The core is assembled within the rack through the use of ears and slots without the need of screws, snaps, clamps, buttons, or the like to hold the assembled structure together. The shelves of the rack may be separated by a divider which also is assembled within the foundation through the inner connection of the ears provided on the divider fitting into slots cut and formed into the foundation. The sections of the rack which are created by the shelves and divider can be further sub-divided into compartments by the use of wings are formed in the core and are connected to the core by a pivot hinge which allows the wing to swing into the sections of the rack and form compartments.

Abstract: Moving side panels of a display stand toward each other causes shelf supports to automatically move individual shelves from shelf-up to shelf-down positions during erection of the stand from a collapsed to an erect state.

Abstract: A single corrugated paper board layer with horizontal corrugations is formed into a rear and two doubled over side walls which fold overlapping the rear wall reinforced with a single corrugated corrugated paper board layer. The side walls have doubled over top and bottom edges. A molly type molded thermoplastic fastener and metal grommet assembly secure shelf support ropes to the two side walls via members clamped to the rope ends. Corrugated paper board display shelves fold over into overlapping members via juxtaposed hinge flanges which are secured to the rear wall by the fastener assemblies. The shelves rotate to an open display state where they are supported by the ropes at their front regions. The shelf hinge flanges are apertured to permit one flange to slide relative to the other as the shelves are rotated.

Abstract: A collapsible desk with unique height adjustment features which allow users to change positions frequently and exercise while they work. The desk may also be used for a variety of other purposes.

Abstract: A display rack having a plurality of vertically spaced compartments. Slots are provided in the rear wall of the rack in each compartment for receiving a display hook therein. Display items therein can be mounted on the hooks such that a plurality of such items are disposed in each compartment. The rack may be quickly and easily assembled from a planar sheet of material.

Abstract: Apparatus for carrying fishing equipment which includes a support member or brace, first and second load bearing members or shelves, a mechanism for connecting load bearing member and concurrently collapsing and opening same relative to the support member, and a mechanism for receiving fishing rods on the apparatus. The apparatus is provided with at least one wheel rotatably mounted thereon. The first shelf is rotatably mounted on the brace. The second shelf is rotatably mounted on the brace above the first shelf. The collapsing mechanism connects the first shelf to the second shelf and provides for concurrent collapsing and opening of the first and second shelves relative to the brace. The mechanism for receiving fishing rods on the apparatus includes at least one rod holder mounted on the shelves.

Abstract: A foldable display stand includes a wall blank having substantially flat wall panels connected end to end foldably relative to each other to define a continuous wall structure. The wall blank is convertible to a flattened state for storage and transportation and an expanded display state in which a number of wall panels cooperatively bound a polygonal display space. Each of two side wall panels has a flap foldable inwardly to place the flaps in juxtaposition so as to form a polygonal shelf within the display space. The shelf and rear wall panel are interconnected by shelf tabs fitting releasably within a slot in the rear wall panel. A removable tray is supported on the polygonal shelf and braces the interior of the continuous wall structure. The tray is releasably secured within the display space. The display stands are modular and may be releasably vertically stacked. Openings in the continuous wall structure are formed of a geometrical configuration to receive articles having a similar configuration.

Abstract: Furniture which can readily be disassembled has spaced upright side walls, a rear wall connected to the side walls, transverse mounting elements connected to the side walls, and a safeguard holder mounted on the transverse mounting elements and bearing upon the rear wall.

Abstract: A collapsible storage rack assembly includes a plurality of upstanding, generally inverted U-shaped frame members between which extend a plurality of vertically spaced, hingedly collapsible shelf assemblies. The storage rack construction is preassembled, and can be easily and quickly opened for use by moving the frame members away from each other. In a similar manner, the storage rack can be easily collapsed by moving the frame members toward each other and into juxtaposition, with the shelf assemblies collapsing by upward hinging movement. In the closed and collapsed position, the shelf assemblies are substantially completely nested within the frame members, thereby facilitating convenient handling, shipment, and storage of the construction.

Abstract: A free standing stacking shelf system is provided wherein the stacking elements of each shelf are selectively collapsible or foldable with respect to the shelf and can be selectively locked into a predetermined angular disposition with respect to the shelf element. Each of the stacking elements is substantially U-shaped having first and second legs and a base extending therebetween. The free ends of the legs are pivotally coupled to a respective shelf. A device is provided for selectively locking the legs and hence the stacking element with respect to the shelf in a predetermined orientation. When the legs are unlocked from the shelf element, the stacking elements can be collapsed or folded so as to be closely adjacent to the shelf element thereby significantly reducing the overall height of the shelf for transport and storage.

Abstract: This invention relates to a relatively smallsized computer mount carrier rack which can be collapsed when it is housed, stored or conveyed. The carrier rack has such a structure that a computer mount panel is connected to the rear frame structure pivotable around a common axis of both-side joints and slidable by a pair of pins of the joints with respect to left and right columns of the rear frame structure, the rear frame structure is provided with left and right side frame structures which are connected thereto by pivotable joints and collapsible one over the other by rotating them around the axes of the joints so as to overlay the side frame structures on the rear frame structure and deform three structures into triple layer, and that the folded computer mount panel is received within a space defined by the rear frame structure and the collapsed side frame structures, thereby deforming the whole of the disassembled carrier rack into planar configuration.

Abstract: A portable storage assembly for use in the cargo space of a truck comprising foldable sets of shelf panels, each set including at least two shelf panels hingedly connected to one another and to an interior side wall of the truck so as to be movable between a folded, stored position and an extended, operable position. The shelf sets are hingedly mounted along opposite interior walls at various levels spaced from the truck floor so as to form storage shelves extending transversely across the width of the truck at various height levels in the cargo space when in the extended, operable position. A pair of transverse support bars extending between the opposite interior walls, and secured at opposite ends by U-shaped braces, provide support to an under side of the shelf panels so that a load can be placed on an upper support surface of the panels.

Abstract: An improved stand for displaying merchandise is provided in a rack for displaying merchandise comprising; a bottom frame comprising; a front member; a pair of side members; a display frame pivotally attached to the bottom frame wherein the display frame comprises; side legs; two parallel shelf arms pivotally attached to the side legs; at least one cross-member attached to each shelf arm such that the shelf arms remain parallel; at least one swing support attached to the shelf arm and the side legs; at least one adjustable support rotatably mounted to the bottom frame and rigidly attached to the display frame wherein the adjustable support comprises; a tube; an elongated member slidably mounted to the tube; a locking element for reversibly fixing the position of the elongated member relative to the tube.