Abstract: A modular accessory system is supportable on a vertical surface such as a wall, an office divider, or the like and includes a framework that support panels and/or functional modules to provide a desired appearance and/or functions for use in an area. The panels and modules are repositionable, and some may be oriented in two or more different orientations on the framework. Engaging members are provided at spaced intervals along each panel and module, with additional engaging members provided at spaced intervals along the framework. The engaging members along the framework releasably engage the engaging members on the panels and modules to support them on the framework. In addition, brackets may be coupled to the framework in either a vertical or horizontal orientation, such as alongside any panel or module, to support accessories thereon. Electrical wiring may be routed through the framework to supply certain panels, modules, or accessories.

Abstract: The off-site manufacture and on-site assembly of a prefabricated dwelling unit (“Unit”) are described herein. The Unit may be a single stand-alone Unit or an individual Unit within a group of Units such as a duplex or apartment building. The Unit is substantially prefabricated and nests within itself through a configurable design that utilizes a floor framing system. The Unit may also include fold down floor assemblies, moveable walls of 96? height, pre-installed floors and fixtures. The Unit may be configured for a decreased footprint that will fit into a single shipping container along with the other necessary components for completion of the Unit on-site. The Unit may be loaded and unloaded from a single shipping container without substantially limiting the size, shape, or aesthetics of the Unit while being substantially prefabricated.

Abstract: A covering system includes a flexible, web-like membrane having first and second portions. A first cross support is connected to the first portion of the membrane, and a second cross support is connected to the second portion of the membrane. A drive mechanism is provided for moving the second cross support relative to the first cross support so that the membrane is movable between a first, retracted position and a second, deployed position. The drive mechanism includes a force multiplication mechanism for facilitating a longitudinal tensile stress application to the membrane when it is in the second, deployed position. A transverse tensioning mechanism that includes a catenary linkage is also provided for tensioning the membrane in a direction that is transverse to the longitudinal direction.

Abstract: This invention reveals a type of portable building, which includes a box which forms the main body of the building, the box being cubic in shape, at least one movable top plate that forms the roof of the building, one side of such movable top plate connecting to and pivoting on one side of the top panel of the box, and such top plate rotating around the pivot downwards to lean against the side panel of the box, at least one movable bottom panel that is provided for the bottom panel of the building, one side of the movable bottom panel connecting to and pivoting on one side of the bottom panel, and such bottom panel rotating around the pivot downwards to lean against the side panel of the box, the pivots of the bottom panel and the top plate are located on the same side panel of the box, at least one side plate is provided for the side wall of the building, the side plate that supports between the edge of the bottom plate and the edge of the top plate being vertical and knock-down.

Abstract: A revolving canopy roof for a stadium includes a fixed half dome and revolving half dome. The fixed half dome has an outer layer clad with a plurality of shading tents, the plurality of shading tents comprising a plurality of triangular shading panels, an inner layer clad with a plurality of triangular ethylene tetraflouroethylene panels, and a plurality of bracing elements connecting the outer layer to the inner layer. The revolving half dome includes an outer layer clad with a plurality of shading tents, the plurality of shading tents comprising a plurality of triangular shading panels, an inner layer clad with a plurality of triangular ethylene tetraflouroethylene panels, and a plurality of bracing elements connecting the outer layer to the inner layer.

Abstract: A modular patient room includes a plurality of modular wall panels or units having various configurations. In some embodiments, the modular wall units have at least one shelf and a flip-down work surface. The modular wall unit optionally may include an integrated computer monitor and a keyboard attached to the flip-down work surface.

Abstract: A retractable enclosure includes moveable bays that telescopically retract inside each other. Each bay is made from two or more vertical framing sections and a plurality of first framing members. Each vertical framing section can be made from a plurality of second framing members. Assembly rods are provided to couple the vertical framing sections and are tensioned to load the first framing members in longitudinal compression. The framing members are fastenable to each other. The second framing members can be held together using splice plates. The retractable enclosure may also include a drive system. A related method of constructing a retractable enclosure is also provided.

Abstract: The present invention provides a foldable enclosure intending as a building or portion of a building that may be transported to a desired site in a folded configuration and then expanded into its intended form. The enclosure has a floor and two wall or roof support section extending upwardly from opposed sides of the floor section. A first roof section spans across the gap between the wall or roof support sections. At least a second roof section in provided that is pivotally mounted to the structure to overlie the first roof section in transit and fold out to extend outwardly substantially in plane with the first roof section in the expanded form. Similarly, second floor sections may be pivotally mounted to lie adjacent the wall/roof support sections in transit and extend outwardly substantially in plane with the first floor section when expanded.

Abstract: A retractable load-bearing cover apparatus is selectively deployable and retractable along a track defining a path of travel between first and second terminus points. The load-bearing cover apparatus includes a plurality of sections that are deployable along the track in a first direction, and retractable along the track in a second, opposite direction, wherein adjacent ones of the plurality of sections are releasably engagable to one another. The cover apparatus includes a drive system for deploying and retracting the sections along the track, and a storage system for disengaging the sections and arranging such disengaged sections into a vertically stacked orientation.

Abstract: The invention concerns a roofing element (E) of the type of the one consisting of a material board (100) maintained inside a frame (200), characterized in that it consists of a single-walled solid material board and of at least one tensioning means (300) linked to the frame (200) tending to space apart certain parts constituting the frame (200) so as to stress said board (100), the frame consisting of two transverse profiled sections (210 and 220) fixed to two opposite sides of the board (100), the tensioning means (300) tending to space apart said profiled sections (210 and 220), the edges of the board (100) subjected to a tensile stress and slid into the profiled sections being provided with at least one projection (110) facilitating the transmission of said stress, the profiled section being itself preformed to retain said projection in the direction of the tensile stress. The invention is applicable to swimming pool low shelter, veranda and the like.

Abstract: Described herein is a retractable enclosure that includes a sequence of upright arches, such that the arches are substantially parallel and such that the two ends of each upright arch are disposed on a base. The arches are configured to leave a gap between adjacent arches. The retractable enclosure also includes a plurality of extendable covers attached to the arches such that at least one extendable cover is disposed between adjacent arches and such that each extendable cover can assume an extended state and a retracted state. The gap between adjacent arches can be mostly closed when the at least one extendible cover therebetween is in its extended state.

Abstract: Designs introduced to three sectors that relate to the distribution network and support structures for delivering energy and utilities services to buildings, distributed renewable energy generation and its supply to electrical vehicles, and public transportation including roadway services and mass transportation infrastructure, including the application of aerially supported utilities whereby the implementation and distribution of utility and municipal services are now integrated with the objective of a more efficient installation, maintenance and operation. Disclosed is an aerial modular support system that can accommodate all categories of utility services whether handling fluids, solids, energy or digital signals. An electrified roadway power distribution for vehicles, an electrified train in a semi-continuous tunnel and a solar energy collector used to provide electricity and to protect roadways are also disclosed.

Abstract: A slide-room for installation in a recreational vehicle or other structure is disclosed. The slide-room comprises a shell, which can be constructed from fiberglass. The shell comprises an end wall, a ceiling, a floor, two opposing side walls, and a flange extending from the end wall, wherein the end wall, the ceiling, the floor, the side walls and the flange comprise a one-piece, unitary construction. Also disclosed are methods for molding composite components, such as slide-room. In one specific implementation, the shell for a slide-room is formed from fiberglass using a vacuum assisted resin transfer process.

Abstract: A modular retractable enclosure is provided. The retractable enclosure includes moveable bays that telescopically retract inside each other. Each bay is made from two or more vertical framing sections and a plurality of first framing members. Each vertical framing section can be made from a plurality of second framing members. Assembly rods are provided to couple the vertical framing sections and are tensioned to load the first framing members in longitudinal compression. The framing members are fastenable to each other. The second framing members can be held together using splice plates. The retractable enclosure may also include a drive system. A related method of constructing a retractable enclosure is also provided.

Abstract: A device (1) for separating regions of a space, with at least one ceiling rail (3) for pressing on the ceiling (4) of the space, with at least one wall rail for making contact with the wall (7) of the space and with at least one floor rail (8) for resting on the floor (9) of the space. In order to prevent passage of dust through the separated region of the space, there is least one diagonal brace (36) for detachable mounting on the wall rail (5) and the floor rail (8) outside of the corner region (37) between the wall rail (5) and the floor rail (8) and for applying pressure to the middle region (38) of the wall rail (5) and that the diagonal brace (36) has a length which is greater than half the length of the wall rail (5).

Abstract: A barrier or dam to contain loose insulation from falling through an attic access hatch or scuttle opening is provided. Embodiments include four pieces that can be assembled together around the perimeter of hatches of varying sizes. Two of the pieces may be male pieces and two may be female pieces. Each piece may have a securing tab on its bottom end to attach each piece to joists that define the hatch opening. A kit comprising the barrier pieces may be utilized by homeowners, contractors or insulation installers for quick and easy installation of the containment dam.

Abstract: A health booth includes a telescopic and pivotal board including two telescopic units having one ends pivotably attached to a board; a seat assembly including two parallel columns mounted on the other side wall, a horizontal bar slidably put on the columns, a telescopic support post mounted between the horizontal bar and a bottom, and a collapsible seat secured to the horizontal bar, and a pivot assembly including a channel mounted onto one side wall, two torsion springs in the channel, two outer cylindrical members each together with one inner cylindrical member to dispose the other ends of the telescopic units therein, and two groups of a plurality of fasteners wherein each group of the fasteners are driven through the outer cylindrical member into the inner cylindrical member to fasten the other ends of the telescopic units.

Abstract: An arrangement for the cooling of computer data centers. More particularly, the arrangement eliminates the problems present in the uneven or inadequate cooling of computer racks due to unwanted airflows, which are encountered between so-called hot aisles and cold aisles present in a computer data center. Specifically, this problem is solved through the provision of partitions which, under normal circumstances, prevent the unwanted airflows by standing in a vertical orientation, yet which, in the event of a fire, collapse from the vertical orientation to a horizontal orientation, thereby avoiding interference with water sprays from sprinkler heads, and thus complying with fire codes and ordinances. Moreover, also employed is a method of preventing the unwanted air flows by utilization of the novel arrangement comprising the fire-code-compatible, collapsible partitions.

Abstract: Mobile partitioning wall with several wall elements displaceably suspended in running rails. The mobile partitioning wall have structural units that are technically simple to manufacture and to mount and are structured to be universally usable and can be easily and variably disposed at the edge sides of individual wall elements. The wall elements have mounting elements that are horizontally and/or vertically disposed at the edge sides. Modular structural units are laterally insertable into the mounting elements.

Abstract: A system and method for changing a theme associated with a given space (e.g., restaurant). A wall system includes a wall panel having multiple themes depicted thereon or multiple wall panels each having a theme depicted thereon. Using a series of winches, chain drives, cables and pulleys or the like, the wall panels are moved to change the theme of the space. A ceiling system includes two ceiling panels movable via a series of winches, chain drives, cables and pulleys. Once separated the ceiling panels expose a theme different than that depicted while closed. Audio and/or visual cues may be provided to alert patrons to a theme change.

Abstract: A sliding wall has at least one door provided with an actuating element for locking the door. A pinch protection device is connected to the door. The pinch protection device has a cover element having a covering position and an open position. The cover element is transferable from the covering position into the open position and from the open position into the covering position. A receiving space for accommodating functional elements of the door is provided. The cover element covers the receiving space in the covering position and in the open position opens the receiving space.

Abstract: The invention relates to a shelter (A) for, for example, a pool- or spa-type recreational basin (B) that is formed of roofing elements (I) and is capable of passing from a deployed position, where the roofing elements are placed in a juxtaposed manner and the basin is covered, to a stacked position, where the roofing elements are placed one over the other and the basin is partially or completely uncovered, said roofing elements (I) including two transverse sections (110 and 120) cross-tied with longitudinal cross-pieces (130), with the so-called extreme cross-pieces (140 and 150) placed on the ends of said sections (110 and 120) that eventually rest on the rim of the basin (B) through a rolling means (300) that is formed of wheels (310) and remarkable in that the wheels (310) are mounted on wheel holders (320) that are foldably mounted relative to the extreme cross-pieces (140 and 150) so as to enable the folding away thereof during the stacking of the roofing elements (I).

Abstract: An extendible shelter connectable to a building has an extendible frame and a plurality of covers, connected to an outermost frame end, for covering the frame. Adjacent covers are connected to one another at outermost edge ends of their adjacent edges, which are threaded through a fastener. As the frame is extended outwardly away from the building, the adjacent edges are drawn through the fastener, which fastens the edges together to automatically fasten the adjacent covers. When the frame is retracted, the fastener unfastens the edges and covers. Anchor for locking wheels for the frame in fixed position on a ground surface over which the shelter extends are also disclosed.

Abstract: A system for a movable protective cover for buildings during severe weather. The system includes a base disposed beneath the surface of the ground; at least one structural support member movably coupled to the base and concealable within the base; a cover coupled to the at least one structural support member; and the at least one structural support member and the cover being moveable from a first position beneath the surface of the ground to a second position above the ground.

Abstract: A combination hangar door and roof assembly including a door section and a roof section that pivot relative to a roof of a hangar for opening and closing the hangar to allow the ingress and egress of an airplane or other object.

Abstract: A foldable portable container is described. The container end walls are hinged to the floor of the container and are attached to the roof by a hinged slide mechanism whereby vertical displacement of the roof causes the simultaneous folding or unfolding of the opposing container end walls.

Abstract: A prefabricated structure comprises a shell including a shell frame and an extension deployable from the shell, the extension including an extension frame. The shell frame comprises a floor support, a roof support, and a plurality of columns extending between the floor support and the roof support. The extension frame comprises a floor support, a roof support, and a plurality of columns extending between the floor support and the roof support. The prefabricated structure further comprises a floor panel connected with the shell by a hinge to provide a floor for the extension, wherein the floor panel is undeployed when the extension is held in place within the shell by the extension, and wherein as the extension is deployed, the floor panel pivots at the hinge and the extension guides the floor panel to a deployed position.

Abstract: A prefabricated structure comprises a shell including a shell frame and an extension including an extension frame deployable from the shell. The shell frame comprises a floor support, a roof support, and a plurality of columns extending between the floor support and the roof support, forming corners of the shell frame. A flange extends from at least one of the columns. The extension frame comprises a floor support, a roof support, and a plurality of columns extending between the floor support and the roof support, forming at least one corner of the extension frame. An outer lip is associated with at least one column of the extension farthest from the shell when the extension is deployed. An inner lip is associated with at least one column of the extension closest to the shell when the extension is deployed. The flange provides a first pocket for receiving the outer lip when the extension is seated within the shell and a second pocket receives the inner lip when the extension is deployed from the shell.

Abstract: A partitioning wall with several wall elements which are movably accommodated via a guiding assembly. The wall elements have two transparent pane elements which are disposed parallel to and spaced apart from each other, and wherein the wall elements have a profile frame for accommodating the pane elements and furthermore for accommodating a sound insulation device therein in order to sound-proof the wall element at least at a floor and at a ceiling.

Abstract: A prefabricated structure comprises a shell including a shell frame and an extension including an extension frame deployable from the shell. The shell frame comprises a floor support, a roof support and a plurality of columns extends between the floor support and the roof support, the plurality of columns including a “C” channel. A plurality of vertical structures extends between the floor support and the roof support, the vertical structures including a “C” channel. The extension frame comprises a floor support, a roof support and a plurality of columns extends between the floor support and the roof support, the plurality of columns including a “C” channel. The prefabricated structure further comprises a plurality of panels including an “L” channel extending from a side, the “L” channels receivable within the “C” channels so that the panels can be associated with the shell or the extension to form an outer wall.

Abstract: The invention relates to an openable roof or openable wall, comprising at least one section (1) extending along a longitudinal axis, each section comprising a plurality of panels (2a, 2) overlapping in pairs along said longitudinal axis, whose longitudinal edge portions (39) are movably received in guide rails (4) for the purpose of opening and closing. Each panel (2, 2a) has, on its second transverse edge portion (38), a first (21) and a second (27) sealing strip, which between them define a gap (28). This gap (28) cooperates with a bottom surface (31) of the inner longitudinal surfaces (14) of the guide rails (4) to form a draining channel (29) along said bottom surface and away from said first sealing strip (21).

Abstract: A modular assembly structured to assume either a shipping container configuration or a building unit configuration including a frame comprising a plurality of support members and defining both a part of the building unit configuration and shipping unit configuration. A plurality of frame panels are movably connected to the frame and disposable in either a closed position or an opened position so as to respectively and at least partially define either the shipping unit configuration or the building unit configuration. The plurality of unit panels are movably connected to the frame and disposable outwardly therefrom to collectively define end wall portions and ceiling portions of the building unit configuration wherein the unit panels may be stored within the interior of the frame. An erection assembly is selectively disposable in an assembled position exteriorly of the frame and supported thereon so as to facilitate the assembly of at least some of the frame panels and/or unit panels.

Abstract: A hinged vapor wall for use in mobile living quarters having a main living area and a secondary area such as a garage. The vapor wall has a first and second section that overlap to form a barrier between the garage and the main living area. When the sections of the vapor wall are in their closed position, the main living area and the garage area are divided into separate airtight compartments. Typically, small vehicles such as motorcycles and ATVs are placed in the garage, and the fumes from their fuel may spread into the main living space in the absence of a barrier. A permanent barrier sacrifices space within the main living area. The hinged vapor wall of this invention is movable to an open position when small vehicles are not being stored in the garage, enabling the garage to be used as living space as well.

Abstract: A wall panel system includes a sliding wall panel assembly that includes a pivot lock for converting the wall panel assembly between a sliding configuration and a pivoting configuration. The pivot lock includes a first lock member that is configured to selectively prevent translation of the wall panel assembly along a track and a second lock member that is configured to selectively prevent pivoting of at least a portion of the wall panel assembly relative to the track.

Abstract: A prefabricated wall panel has a top frame structure defining an upward-opening channel extending lengthwise along the upper edge of the panel. An elongate header member is normally disposed within this channel. The header member is vertically slidably supported on supports fixed to the top frame structure so that the header member, in a storage position, is retained in the space. When the panel has been swung upwardly so that the upper edge is aligned below a preinstalled ceiling track, then the header member is manually displaced upwardly until the header telescopes over the ceiling track. A fixed connection is then formed between the header and the ceiling track to provide lateral stability at the upper edge of the wall panel.

Abstract: The invention relates to facility including a robot (2) for supplying pallet preparation stations with products (3) of the crate type or different. The structure of the facility includes side walls (11) and doors (13, 14) for accessing the palletization stations A and B. The structure further includes a fixed wall (15) separating stations A and B, and a cowling (20) mobile from one station to the other and in the shape of a dihedron, for alternatively converting each palletization station A and B into a kind of pallet hatch, wherein said conversion is carried out automatically before the opening of the door for accessing a loaded pallet located in said hatch. The cowling (20) is directly actuated by the product handling robot (2).

Abstract: The proposed invention relates to a portable housing/shelter unit assembled in a manufacturing building, loaded on a trailer truck and delivered to a site. Once on the site it is lifted off the trailer and lowered onto a leveled ground location or a foundation. Then the unit is un-folded from its central frame (container) and secured to the foundation and final extrusions and screws are applied; thus, the unit is setting in final set up position, structurally and weather tight. If required, additional exterior fenestration can be added to the basic shell, and the exterior customized per client needs and directives.

Abstract: A building process that offers better qualities in terms of value, structural integrity, and comfort and energy conservation for industrial, commercial and residential building industries. The present invention starts with a single component which is the vertical composite insulated supporting steel members, then the plates, the beams, the composite insulated wall system, the floor joist system, the temperature regulated roof system and the multiple insulation patterns to create the active thermal force air cavities and inactive cavities. The entire concept of utilizing the invention is that the design of all of the components and parts, the objectives are focused on to facilitate the prefabrication process and conserve energy.

Abstract: A live fire burn room and an insulating system for a live fire burn room are disclosed. The burn room includes a structural framework. The insulating system includes a face panel, at least one face panel mounting bracket for attaching the face panel to the structural framework of the burn room, and an insulating layer disposed between the face panel and the structural framework of the burn room.

Abstract: A prefabricated structure comprises a shell including a shell frame and an extension deployable from the shell, the extension including an extension frame. The shell frame comprises a floor support including a plurality of slotted beams extending between and transverse to the floor beams, a roof support, and a plurality of columns extending between the floor support and the roof support. The extension frame comprises a floor support, a roof support with an extension roof, and a plurality of columns extending between the floor support and the roof support, wherein the slotted beams of the shell floor support each include a slot through which a column connected between an extension floor beam and an extension roof extends when the extension is nested within the shell in an undeployed position.

Abstract: Protective clips for movable partitions include a guard portion that protrudes from a top major surface of a base portion. The guard portion extends along the top major surface proximate to a front side of the base portion. The guard portion also may extend along the top major surface proximate to at least one end side surface a longitudinal end of the base portion. Movable partitions include one or more such protective clips. The protective clips optionally may be used to attach a sweep strip to panels of a movable partition. Methods of forming such protective clips include molding the clips within a mold cavity.

Abstract: A building barrier system wherein a portion of the building barrier system can transition between an erect position and a substantially flat position thereby allowing access to the interior of the structure without having to disassemble the building barrier system and associated method.

Abstract: An arrangement for a building (10), in particular a housing unit (18) mobile between two positions, one supported on the ground and the other floating, including a frame (12), floating elements (14) and guiding elements (16), designed to be installed in a flood-risk area. The guiding elements (16) include at least two masts (32) fixed in the ground and arranged in the median plane of the construction along an axis F substantially parallel to the flow direction of the water and collars (34), designed to slide along the masts (32).

Abstract: The invention concerns a roofing element (E) of the type of the one consisting of a material board (100) maintained inside a frame (200), characterized in that it consists of a single-walled solid material board and of at least one tensioning means (300) linked to the frame (200) tending to space apart certain parts constituting the frame (200) so as to stress said board (100), the frame consisting of two transverse profiled sections (210 and 220) fixed to two opposite sides of the board (100), the tensioning means (300) tending to space apart said profiled sections (210 and 220), the edges of the board (100) subjected to a tensile stress and slid into the profiled sections being provided with at least one projection (110) facilitating the transmission of said stress, the profiled section being itself preformed to retain said projection in the direction of the tensile stress. The invention is applicable to swimming pool low shelter, veranda and the like.

Abstract: Modular structural components and structural connections including chords and forming strips. Each chord has a generally elongated square main body of four main walls surrounding a central bore and having a T-slot structure adapted to accept a bolt type fastener extending along each exterior main surface. Each forming strip is an elongated plate formed into strip segments oriented at right angles to each other and forming a W-shaped corner region, a face region with a bolt hole and an attachment region, each region forming a mating bearing surface with a surface of a chord.

Abstract: A roof curb is shipped in a disassembled state to an installer who assembles, sizes, locates and configures the curb to accommodate slope on any roof without welding or metal cutting. The curb includes an aluminum walls, each having a channel for receiving the bottom edge of a board, which may be taper cut according to the pitch of the roof to provide a level surface for supporting an appliance. Methods of making and installing the roof curb also are disclosed.

Abstract: The present invention proposes a solar panel mounting structure comprises: a frame and three gears. The frame has a first opening, a second opening and a third opening, and connects to a solar panel; the third opening is aligned with the first opening and the second opening. The first gear has a first bar; the first bar works in the first opening. The second gear has a second bar; the second bar works in the second opening. The third gear has an axle, and locates between the first gear and the second gear and gearing therein; the axle works in the third opening; thereby, the solar panel seesaws when the third gear turns.

Abstract: A three-dimensional documentation lab chamber and universal, ultra-high definition, accurate color, light, and object rendering, advising, and coordinating system for displaying colors, objects, and light and enabling an accurate rendering of a color, room, building, object, person, or landscape. The system includes an image procuring device, a memory device, a processor and a display device. The system can combine reference images with display images in a consistent, scaled relationship and can display those images with a variety of lighting effects. Furthermore, the system can make design suggestions in light of designer input, design research, and historic information in furtherance of design goals while accommodating constraining elements. Images can be procured by use of the three-dimensional documentation lab chamber to ensure true-to-life depictions.

Abstract: A seclusion room for patients having emotional disturbances has one moving wall positioned ahead of a fixed wall. The moving wall can be moved to an extended position to narrow the patient space leading to the main door to the room. A second door to the room enables an extraction team member enter the space between the fixed and moving wall, where the team member can remove a hatch from the moving wall and enter the space behind the patient. The team member can use the hatch as a shield to push the patient gently toward the exit door. A bench or seat disappears when the moving wall is moved to its extended position.

Abstract: Wall element 2, especially for constructing a partition wall, for example in an exhibition, has a first connecting device with a least one first connecting element 12 to establish a connection with at least one other wall element 2?. the first connecting device is configured such that one wall element 2 can be connected with another wall element 2? without tools. The wall element includes an essentially frame-like basic body 18 and a second connecting device for releasable connection of at least one flat face element 30, 32, 34 to the basic body. the second connecting device is configured so that the face element 30, 32, 34 can be connected-with the basic body 18 without tools. The wall element 2 allows the partition walls to be largely assembled without tools. This saves time and assembly costs.