Abstract: An adjustable side extension for a work table of a power tool (e.g., a direct drive table saw) is disclosed in which the side extension may be readily adjustably movable with respect to the work table so that the work surface of the work table and the side extension are general coplanar, and such that one edge of both the work table and the side extension are in line with one another. Other than the fasteners required to secure the side extension to the work table, no other loose parts, such as shims, washers, slide cam blocks or the like, are required to adjust the side extension with respect to the work table.

Abstract: A pedestal for a floatation sleep surface, such pedestal being collapsable into a compact arrangement for convenient storage and ready transportation in a manually manipulable container. The pedestal comprises a plurality of generally rectangular members, a plurality of support legs, and connectors, all adapted to be stored in a manually transportable container. The members include locators at preselected positions for locating support legs. When the support legs are attached to the locators of the rectangular members, the rectangular members are interconnected by the connectors to form a unitary pedestal arrangement of a size sufficient to support a particular size floatation sleep surface.

Abstract: Each of two or more sectional tables is provided with interconnecting apparatus for forming different sized and various shaped table configurations. Each sectional table (10, 12, 14) is provided with a set of spaced threaded inserts (38, 40) positioned on its underside. First and second sectional tables may be abutted with their respective sets of inserts aligned. A slotted coupling link (20) having spaced slots (28, 30) with first and second ends in opposite ends of the link is utilized with thumb screws (42) which are threaded into the inserts. The screws pass through the slots for positioning the coupling link between a first, retracted, position in which it is completely positioned on the underside of one of the sectional tables and a second, extended, position in which it extends beneath both sectional tables and is secured by the thumb screws.

Abstract: A modular article supporting rack has a U-shaped supporting frame. A plurality of elongated, transversely extending, shelves, formed of wire members, is affixed to the sides of the supporting frame. Each of the rack modules is stackable for shipping and storage. Each rack module may be attached to a second identical module to form a rack having twice as many shelves. Each shelf is formed of a C-shaped, wire, shelf frame member with a package retaining lip formed in a central region thereof. A plurality of elongated shelf-support wire members can be affixed, spaced apart from one another, to the sides of the C-shaped, shelf frame member to complete each shelf.

Abstract: A table construction is provided including an upper peripheral frame and the support legs dependingly supported from peripherally spaced portions of the frame. At least three table top sections are supported from the frame and mounted thereover for guided movement relative thereto along an equal number of generally straight paths extending generally radially of a vertical axis extending centrally through the frame. The table top sections are displaceable along the paths between inner and outer positions and include predetermined outwardly facing marginal portions equipped with upwardly projecting curbs together effectively defining a continuous marginal curb about the top of the table construction within whose boundary a plurality of co-planar panel shaped articles supported from the table top sections may be embracingly engaged.

Abstract: A lounge construction is disclosed for grouping a plurality of furniture units, such as chairs, together. The chairs or other furniture units have frames supported by a plurality of generally vertical leg posts, which extend laterally of either side of the frame. A central lounge frame is included for connecting two furniture units, and the lounge frame is adapted to receive one of several types of furniture pieces, including a table top or chair seat and back. The central lounge frame has a support structure with front and rear transverse members connected by a crossbrace. A socket is attached at each end of the respective transverse members, and each socket receives an upper end of one of the leg posts whereby the central frame shares the inner legs of the neighboring furniture units. Each of the sockets has a slot therein which is aligned with a transverse support member of the furniture unit when the central frame is in place.

Abstract: A data processing work station has a tubular framework that supports a keyboard support shelf in front of and below a video display support shelf and a pair of side shelves. The framework may be reconfigured into a compacted configuration for storage and shipment.

Abstract: A patio table (10) with attached benches (22) which converts into two completely separate benches (22) with attached backs is disclosed. FIGS. 1 and 2 show the convertible patio table (10) in its assembled configuration. Table top (12) comprises two table top halves (14), having top members (16) attached to top rails (18). FIG. 3 shows the table (10) is transition from its assembled position to its fully disassembled position. FIG. 4 shows the table (10) fully disassembled into two separate benches (22). The backs of benches (22) are formed by unfastening latches (20) and pivoting table top halves (14) and table top support members (24) upward and rearward about bolts (26). Benches (22) comprise top bench members 28, bench rails (30), end bench members (32), foot rails (34) and stops (36). FIG. 5 shows a larger convertible patio table (50) which comprises a convertible patio table (10) assembled together with two table halves (42) of a shorter convertible patio table (40).

Abstract: A conference table assembly comprises a plurality of conference tables each having a top providing a writing surface for a user, and a plurality of accessory units sandwiched between adjacent tables. Each of the accessory units has a top which is the same thickness as the conference table tops and is supported flush with them. In the accessory unit top there is an opening into a trough-like housing which is divided into compartments housing electrical and electronic components. The opening is closed by a removable panel on which are mounted such components as a goose neck lamp, microphone, keyboard, control elements, indicating instruments, etc. Preferably an accessory unit is provided between two user positions so that it can serve both. Each accessory unit preferably has a leg and foot so that it is self supporting and is provided with quick-release fasteners for connecting it to the tables.

Abstract: The invention comprises functional and esthetically pleasing modular office furniture with integrated wire management. The modules include horizontal beam modules that can be rigidly connected longitudinally and laterally in configurations that suit work flow and office personnel requirements to the office space. The beam modules are supported by vertical support modules. Work surface modules are supported by the beam modules. The beam modules may also have suspended therefrom a variety of office items such as file cabinets and keyboard surfaces. The work surface modules are adapted to optionally receive service modules such as telephones, trays, and light stands. The combined furniture modules provide hidden but accessible passages for neatly and efficiently running electrical wires from the office outlets to the points of use.

Abstract: An article combined with other parts which assemble into an item of furniture, the article constituting a spacer of extruded aluminum having a cylindrical bore therethrough and, as seen in cross-section, grooves outboard of such bore which are right angles to each other. Bores of aligned spacers receive posts and outboard legs therein define grooves which receive vertical panels with horizontal members between spacers, such horizontal members having openings which are aligned with the bores to receive vertical pipe. The vertical pipe thereby aligns the spacers, horizontal members and indirectly the vertical members. In one embodiment, L-shaped portions formed in the extruded spaces opposite the legs define further grooves which permit the use of connecting clips between adjacent shelves. Additional spacers having further grooves to provide midway and central aligned supports for larger shelves are also disclosed.

Abstract: A table comprising two or more legs, at least one leg being fitted with a height adjustment mechanism, all legs being fitted with adjustment mechanisms that are adjustable both in separate and in interconnected relationship.

Abstract: A latch arrangement for latching one furniture component to another in side-by-side abutting relationship includes a horizontal crank arm attached to the underside of one component and a hook attached to the underside of the other component in a position to be engaged by the crank portion of the crank arm or by a link pivotally carried by the crank arm. In operation the crank arm is rotated about its axis, by means of a removable handle, first in one direction to extend the crank portion of the arm laterally of its respective furniture component so as to be engageable with the hook and then in the opposite direction to draw the components together. Both the hook and the crank portion of the crank arm are arranged to lie wholly underneath their respective furniture components when not in use, so as to be concealed from view.

Abstract: Connector apparatus for joining structural components, such as posts 19 and panels 25, to form a modular structure. Posts are extruded members with T-shaped grooves 21 therein. Affixed to the panels are grooved rails 27 with corresponding T-shaped grooves. An adjacently positioned grooved post and panel rails are joined by connector assembly 31 which consists of two C-shaped channels 33 and 35, and a plurality of transversely extending threaded elements 39 that are threadedly engaged to the channels. The threaded elements have left and right hand threaded ends 38 and 40, each end threadedly engaging one channel, and when rotated, act to increase or decrease the distance between channels to lock or unlock the panel to the post. Periodically spaced slots 47 in the channel webs or on a U-shaped member secured to the webs permit brackets 48 to be mounted to the connector apparatus.

Abstract: The invention relates to corner work table (1), in particular for office work, comprising a subframe (2) and a corner table top (3). The table top has the form of a circular segment, the radius sides being formed as connection sides (5,6) to further adjoinable table tops (17,18). The securing is effected by edge-side angle rails (34) and by openings in a support tube (11), into which the support arms (33,41) are insertable. The subframe (2) comprises a floor-side stirrup member (8) to which four support legs (9,10,14,15) are attached on which support tubes (11,16) are secured which in turn carry the corner table top (3). This subframe structure provides a high stability and firmness of the corner work table (1) and due to the form of the member (8) open towards the wide side of the corner work table a large degree of foot freedom for the user.

Abstract: A knockdown shelving assembly includes a cylindrical shelf supporting sleeve positioned on a shelf supporting standard. The shelf supporting sleeve and the shelf supporting standard include ramps which are in interfering engagement with each other to affix the supporting sleeve to the supporting standard, and a shelf rests on an end edge of the cylindrical shelf supporting sleeve to be supported on the supporting standard via the supporting sleeve.

Abstract: The present invention relates to a prefabricated shelf unit having a number of vertical columns and an optional number of shelves fixed to the columns with each shelf supported by cross members fixed to the columns at various levels of the columns. The cross members are provided with recesses for the reception of the ends of the shelves. The cross members are provided with end portions having vertical projections which are received into corresponding grooves in the columns. The grooves may be parallel longitudinal grooves, one for each projection of the cross member or a single groove in which the cross members are provided in back to back fashion with the projection of each cross member fitting into the single groove.

Abstract: A device constructed of prefabricated materials which can be used for display of merchandise and/or printed materials in stores, malls and the like. Modular construction permits tailoring the size of the display according to individual needs. In one embodiment of the device, pairs of uprights are attached by means of a novel retainer clip which allows the insertion of a panel between the upright pairs. The resulting structure is extremely rigid, yet can easily be assembled and disassembled without the services of a carpenter.

Abstract: A clamping device (FIG. 1) is provided for joining together boards (1,2) lying edge to edge in the same plane, and comprises a fixing rail (20) with upwardly directed flanges (21,22) at a mutual angle of about 90.degree., a pair of trough-like members (12,13) each bearing against the inside of one of said flanges (21,22), the side surface of one side (14) of said members (12,13) each bearing against the under side of a board (1,2) with its other side edge (15) engaging in a groove (16,17) in each board (1,2), there being a tensioning rail (9) with outwardly directed flanges engaging in slots (7,8) in the edge surfaces (3,4) of the boards (1,2), and clamping bolts (23) between the fixing rail (20) and tensioning rail (9) for urging the fixing rail towards the members (7,8) serving to support the boards (1,2) and press their edges (3,4) towards each other.

Abstract: A laboratory supply arrangement including a service tower and a plurality of table-like articles. The service tower has a riser tube and an outlet housing. The table-like articles are shaped to be complementary with a corresponding portion of the riser tube.

Abstract: A modular cabinet system comprises a modular unit of a first rectangular cabinet, and a first standing mirror spaced from the cabinet and disposed in the plane of the back side of the rectangular cabinet. A first panel is connected to the standing mirror and to the rectangular cabinet for supporting the standing mirror. In addition a second standing mirror may be spaced from the first standing mirror and a second panel may be connected to these mirrors. A second rectangular cabinet is positioned with its back side adjacent the second panel and extending outward in the same direction as the first rectangular cabinet. Third and fourth rectangular cabinets may be connected into the system and extend outward in an opposite direction from the first and second cabinet. In addition, two mirrors associated with the third and fourth rectangular cabinets are provided adjacent the back surface of the first and second mirrors.

Abstract: Chairs with improved ganging equipment comprising a vertically disposed open-ended keyway on one side of each chair and an interfitting key on the other side of each chair to allow the chairs to be ganged by engaging the key of one chair in the keyway of adjacent chair. Any of the ganged chairs can be separated by lifting it out of engagement with the adjacent chairs.

Abstract: A storage device to be used in combination with classroom desks. The device is four sided with a compartment formed in each side. The device mounts on the tops of two oppositely facing desks.

Abstract: A sectional wall form system is disclosed for forming concrete walls or the like. Basically, the wall form system comprises a plurality of channel panels which are serially connected together in a side-by-side relationahip by means of a plurality of lock brackets. Each lock bracket comprises a substantially rectangular configuration dimensioned to closely fit between the side portions of the channel panels. A pair of L-shaped locking rods are welded to the underside of each of the lock brackets and extend from one edge thereof. A pair of locking apertures is located in the other edge of each of the lock brackets. During assembly, the channel panels are placed in a side-by-side relationship. An intermediate lock bracket is placed in a position substantially parallel to the side portion of an intermediate channel panel enabling the locking rod to engage into respective apertures in the side portion of the intermediate and the succeeding channel panel.

Abstract: A bracket for interconnecting modular units of an endless table construction which includes a cooperating pair of brackets which are joined together below a transverse, structural channel in a manner to secure adjacent ends of table tops which are supported above the channel. Each brace forming the composite bracket includes an opening to receive therein a table top fastener in a removable manner. Each brace additionally is provided with a threaded opening within which a channel contacting stabilizer is adjustably positioned to provide a sturdy table top hold-down construction. The table top is drilled to provide openings aligned over the bracket openings to receive the table top fasteners therethrough. Preferably, the table top openings are countersunk at both ends to allow either table top surface to be positioned upwardly.

Abstract: A production workbench is associated with a production cart which is mounted on castors to be movable from one work station to another. In a preferred form, the bench is provided with a slot or cutout to receive the production cart. Inter-engaging guide track apparatus and rollers are provided between the bench and the cart operative to serve as self-leveling apparatus to bring the surfaces of the bench and the cart to the same level when the production cart is inserted into the cutout.

Abstract: In a four-post merchandizer, two light-gauge sheet metal corner posts are reinforced against twisting by a dual camming action by which the two posts are urged tightly against the corners of the shelves. Each post comprises two telescoping post sections, and a unitary coilable, flexible trim sheet, received in grooves formed in the post elements, and extending from one end of the post to the other. The posts have a W-shaped horizontal cross-section, in which a pocket is formed for receiving the ends of shelf hooks, thereby protecting the flexible trim from damage. Base panels are secured together by sliding a first flange of one panel into a pocket formed by second and third flanges of another panel and two perpendicular surfaces of a post. By tapering the ends of the first and third flanges, the entry of the first flange into the pocket can be carried out without careful initial alignment.

Abstract: This application discloses a frame unit for communication and other electronic devices including a pair of parallel side plates interconnected by upper and lower guide rails extending between and perpendicular to the side plates, and a plurality of guide members which are secured to the guide rails and which are adapted to guide therealong printed boards on which circuit elements of an electronic device are provided. The application also discloses a frame device composed of a number of such frame units.

Abstract: A plurality of rectangular plates having stacking elements on their upper and lower surfaces, the stacking elements being complimentary to those on rectangular containers such that the plates can be connected between any two containers in a stack. The plates further have complimentary interconnecting elements on their lateral sides to allow locking together of adjacent stacks of containers into a complact block.

Abstract: A shelving system, of the type adapted for swift assembly and disassembly, has an improved upright and shelf structure in which each shelf is swiftly attachable, without the use of tools, at its corners to transversely spaced posts of the upright. The upright is a ladder type, incorporating vertically spaced cross braces extending between vertical posts each of which comprises inner and outer post elements that allow insertion of a shelf without necessity of its being tilted or cocked. Each shelf is formed at its corners with right-angular, inwardly extending locking tongues or tabs, initially locatable, during assembly, in wide spaces defined between the inner and outer post elements. With the shelf in horizontal position, it is permitted movement downwardly from the wide spaces into narrower spaces in which the corners of the shelf lock, with the shelf being supported upon the cross braces of the uprights.

Abstract: A sectional rack comprises a plurality of modular rack units for holding articles, and pivotal joint means for connecting the rack units together so that the units can pivotally swing relative to one another. Each of the rack units comprises oblong top and bottom plates having holes in both end portions, a post for connecting the two plates together by fitting at both ends in the holes of the plates, and top and bottom fasteners for securing and fastening the post to the plates. The pivotal joint means comprises oblong top and bottom connecting plates having pivot holes formed in both end portions, stepped posts having their ends extending into the pivot holes of the two connecting plates to connect them pivotally to the top and bottom plates of the rack units, and top and bottom fasteners for securing and fastening the posts to the top and bottom plates of the rack units. The top fasteners have a recess each and the bottom fasteners a projection each adapted to mate with the recess.

Abstract: A structure made up of several components, particularly for use in classrooms is described which comprises at least two basic elements, each of said basic elements comprising an L-shaped panel and a T-shaped base parallel to said L-shaped panel and three vertical legs connecting said L-shaped panel to said T-shaped base, two of said legs being mounted at the extremity of the short sides of said T-shaped base and one leg being mounted at the extremity of the long side of the T-shaped base, said L-shaped panel having a plurality of blind orifices along the edge located at a modular distance, said T-shaped base being provided with a plurality of orifices, and a plurality of pins for insertion into the blind orifices of said L-shaped panel for connection of at least two basic elements.

Abstract: A three-dimensional land-use model is constructed in modular units and used with a modular framework so that it can be readily modified and changed as a community develops and expands.

Abstract: An improved construction for interlocking shelves and legs includes a shelf block on the top of each of the four corners of each shelf, the block being divided into four block segments. Each leg is formed at one end with a square opening for interlocking with either the outline of a single shelf block or with two block segments from each of two shelf blocks. The other end of the leg is formed with a leg shoulder, upstanding from which is a hollow leg end piece with substantially a square cross section having bifurcated side walls to form four right angle segments. The bifurcations are designed so that two opposite bifurcations accommodate shelf aprons from two or four adjoining shelves.The system, therefore, accommodates a standard etargere system with unitary shelf blocks or an interlocking system according to the present invention having four block segments for each shelf block.

Abstract: The device comprises a pair of locating pins extending outwardly of an edge surface portion of one of the cabinets and adapted to be received in complementary through openings in the corresponding edge of the adjacent cabinet to be connected, the outer ends of the locating pins being conically rounded to provide for horizontal and vertical alignment by cam action. An elongated, lever controlled interlock member serves to interclampingly engage turned down skirt portions of the thus aligned cabinet edges to retain the cabinets in interlocked relation.

Abstract: A furniture unit comprising a substantially L-shaped panel which, with other identical panels, is used as a supporting base structure for a variety of different furniture pieces including, but not limited to, desks, sofas or chairs, shelving and the like. The panels are provided with equispaced slots on each of the vertical side edges thereof. Brackets are received in and interlockingly engaged with said slots on each of said vertical edges in selected positions for supporting either a desk top or other element depending upon the use to which the panels are put. The panels are also provided with slots in each of their horizontal edges, said slots being of equal size and spacing such that the panels can be inverted for right-hand or left-hand use.

Abstract: Pedestal-type tables are joined together along two planar edges by using two pairs of alignable spaced-apart openings in the table tops. A sleeve member includes a resilient circumferential constriction closely spaced from the terminal of the sleeve wherein a fastener is used to secure the sleeve within the opening in the table top. Cylindrical connector elements each includes circumferential recesses spaced from the terminal ends to releasably receive the resilient constrictions in the sleeve member to form releasable interconnection elements in the aligned openings in the table tops when the planar edges are disposed in a juxtaposed relation.

Abstract: A portable stage is formed from a plurality of similar interlocking members having interconnecting fastening mechanisms located on the ends and sides of the stage top. Each member has a removable upper surface panel, and a plurality of foldable legs of at least two different lengths.

Abstract: A chair is formed from two side frame sections each including a tubular frame and leg assembly with expanded metal secured to it. The side sections are encapsulated in foam which adheres to and completely encompasses the expanded metal. A seat cushion and foamed front skirt are added to the foamed side frame sections. A flat skirt is provided to completely follow the periphery of the chair just above the floor; and two chairs may be joined at any desired orientation relative to each other by a doubly-grooved joinder member coupling the lower peripheral metal skirts together.

Abstract: An alignment structure for end-to-end positioned multi-channeled seats and footboards such as may be used for seating stadium stands. I-beam shaped inserts positioned in front and rear channels of two end-to-end seat sections (or footboards), and conforming with channel shape, span the joint between the seat sections and extend endwise into each to maintain end-to-end alignment between the seat sections. Each insert is anchored in one or the other of the end-to-end seat sections and permits expansion and contraction displacement movement between the seat sections.

Abstract: An auxiliary sewing machine support table constructed for use with a sewing machine table having a sewing machine thereon with a reciprocating needle, with a surface which defines part of a means for feeding a workpiece in a feed direction. The auxiliary table is movable in a direction transverse to the feed direction and has a surface for carrying a remaining portion of the workpiece. The sewing machine table and the auxiliary table have trackway means defined therebetween which may be locked together by a clamping member carried on one of the tables which may be clamped to the other so as to lock a downwardly extending rail member on one table into an upwardly extending trackway on the other. The auxiliary table also includes controls for controlling the sewing machine from the auxiliary table.

Abstract: A molded unit of polystyrene foam having one corner and three sides which with other like units may be compactly nested for storage yet is readily assembled in a wide variety of knock-down arrangements for merchandise display, the units being used in various assembly configurations and orientations to display a wide range of goods in different presentations, two units preferably being capable of providing a six-sided hollow configuration having five walls with twelve equal length corners and one open side.

Abstract: A first plate is provided and a second plate is disposed generally normal and secured to the first plate centrally intermediate opposite marginal portions thereof with the second plate projecting outwardly from a first side of the first plate and disposed normal to a path extending between the opposite marginal portions of the first plate. An elongated abutment member including opposite end portions and an intermediate portion extending between the opposite end portions is provided and the end portions of the abutment member are offset to one side of the intermediate portion thereof. The intermediate portion of the abutment member has a central opening formed therethrough and the second plate includes an elongated endwise outwardly projecting mounting portion on its outer end remote from the first plate.

Abstract: A free standing shelving system including a plurality of shelves and a plurality of spindles for supporting the shelves, some of the shelves being arranged in endwise adjacent relation whereby the shelving system has some abutting shelf ends and some free shelf ends. The shelves each have like corner openings in all four corners with one spindle at each corner opening at the free end of the shelves and one spindle at the contiguous corner openings in endwise abutting shelves. The spindles are disposed in endwise aligned relation with their axes at the virtual corners of the shelves and the spindles have end faces on their adjacent ends that overlap the shelves adjacent the corner openings.

Abstract: An airfreight pallet comprises a core sandwiched between a pair of cover plates with the edges of the core enclosed by a shoulder strip extending around the periphery of the core and extending between the cover plates and forming at least four edges of the pallet, at least one of such pallet edges being provided with a plurality of openings therethrough communicating with internal connecting member holding structures mounted within the core.

Abstract: A service counter having several spaced apart service stations each of which allows a single person to service two customers. Each service station includes a pair of customer windows facing a common service person workspace positioned therebetween so that the person is equally accessible to both customer windows, yet adjacent customer windows at different service stations face away from each other to insure privacy. The service counter maximizes equipment efficiency by utilizing a single unit of relatively expensive equipment for two customer windows, and it maximizes the efficiency of service personnel by allowing a person to service one customer while another customer at the same service station is preparing to do business with the service person.

Abstract: A self-leveling table has a rectangular top bolted to a unitized base. The base has a horizontal rectangular frame which supports the top fabricated from four welded angle irons. The frame is supported by two pairs of crossed legs, welded at the cross, each of which terminate in a foot. The feet are heavy sheet metal bent slightly so as to touch the floor only at the ends. The table top is fitted with latching devices at each end of the top for attachment of a table extension or another table.

Abstract: An alignment structure for end-to-end positioned multichanneled seats and footboards such as may be used for seating stadium stands. Channel shaped inserts positioned in adjacent front and rear channels of two end-to-end seat sections (or footboards) span the joint between the seat sections and extend endwise into each to maintain end-to-end alignment between the seat sections. Each channel shaped insert is anchored in one or the other of the end-to-end seat sections and permits expansion and contraction displacement movement between the seat sections.

Abstract: A work desk construction, particularly for typists, comprises one or more subassemblies which includes a longitudinally extending rectangular first support frame which is interconnected with a second and third transversely extending frame which extend out to respective opposite sides of the longitudinal frame. Each transverse frame includes end frame members which extend through the adjacent slide frame member of the longitudinal frame and are connected to the opposite side frame member. The frame structure is supported by legs which extend downwardly from the outer lateral ends of the transverse frames and they provide the sole support for the structure. A box-like case of substantially the same size as the longitudinal frame is supported directly on the frame and it advantageously includes compartments which open laterally at respective opposite sides of the longitudinal frame member adjacent each end thereof.

Abstract: A game table, constructed for playing a rebound-type game using a ball and paddle, has a tabletop provided with a recessed center to present a four-sided, upwardly facing, inclined playing surface that defines a rebound zone for the ball when the latter is caused to strike thereagainst. Each quadrant of the tabletop is swingable from its game-playing, inclined position to a second position in which the playing surface thereof is horizontally disposed so that a generally uniform, planar tabletop is presented when all four quadrants of the tabletop are so positioned in order that the game table may be used as a conventional table. Each quadrant of the game table is a self-supporting unit such that the table may be separable into four independent tables for use as four distinct and independent game tables.