Abstract: A semi-invisible combination of thermal insulating profiles of the lower part of sliding doors and windows which allows the unhindered passage of people and objects above the semi-invisible combination. The interior and exterior floor has co-planarity and uniformity while the invention permits unhindered passage of people and objects, is accessible by people with walking disabilities, has narrow width grooves, has a classy profile design, has high levels of waterproofing for the non-visible parts as well as high waterproofing against normal weather conditions.

Abstract: The opening and closing mechanism for opening and closing bodies has a first opening and closing body, a second opening and closing body, a first support member, a second support member, a first and second guide member, wherein a first and a second guide member intermediate portion are disposed to have an overlapping region, in the overlapping region, one of the first guide member intermediate portion and the second guide member intermediate portion is arranged, with respect to the other of the first guide member intermediate portion and the second guide member intermediate portion, in a direction to which a load is applied, and each of the first to fourth connecting portions has a rolling element provided at a side so as to apply a load toward toe guide members.

Abstract: A dynamic train platform located security system comprises a single expanse of interconnectable and longitudinally displaceable, vertical barriers for isolating a passenger waiting area at a train station from a platform edge area, including at least two longitudinally spaced and openable portal modules for permitting passage through a corresponding central opening; and a control system for causing the single expanse to be longitudinally displaced in unison, in response to a detected stop position of a train that has arrived at the station, until each portal module central opening is aligned with corresponding doors of the arrived train. In one embodiment, the system further comprises, in conjunction with a drive unit for initiating controlled and aligned movement, a passageway directly extending from a corresponding portal module central opening to a door of the arrived train and over which elderly and handicapped passengers are able to walk without having to climb stairs.

Abstract: A living space is disclosed including one or more reconfigurable rooms. A room may be made reconfigurable by including a first wall that is configured to expand and retract along its length, and to move in a first direction orthogonally to its length. The room may also be configurable by including a second wall configured to expand and retract along its length, and to move in a second direction orthogonally to its length. The reconfigurable room may further include movable furniture placed in different positions, depending on a configuration of the room.

Abstract: A slider window assembly for a vehicle includes (i) a frame portion having upper and lower rails, (ii) at least one fixed window panel at least partially defining an opening, and (iii) a movable window panel that is movable along the upper and lower rails between a closed position and an opened position. A sensing system is operable to determine when the movable window panel is in the closed position and when the movable window panel is not in the closed position. The sensing system includes a magneto-responsive sensor connected to the frame portion and a magnetic element connected to the movable window panel. When the movable window panel is in the closed position, the sensor detects the the magnetic element. When the sensing system determines that the movable window panel is not in the closed position, an indicator is activated to alert the vehicle driver that the movable window panel is not closed.

Abstract: A free standing barrier includes two panels that slide parallel to each other. Each of the panels includes a lower outer corner portion on which is mounted a foot. The feet, in combination with each other, hold the barrier upright and make the barrier free standing. One foot engages one sliding panel and the other foot engages the other sliding panel. Each of the feet includes an outward extension that works as a stop against, for example, a doorjamb, to prevent the barrier from being pushed, such as by a dog, through the opening that the barrier is intended to close off.

Abstract: A door structure of an electric rail car is provided to block outside noise and vibration. The door structure of the electric rail car includes a door frame, a guide rail and a sealing device. The door frame has an opening thereinside. The guide rail guides an opening and a closing of the door frame. The sealing device is inserted into the opening, descends to make contact with the guide rail when the door frame is closed, and ascends to be spaced apart from the guide rail when the door frame is open.

Abstract: A device for sliding door leaves with co-planar closure, particularly for furniture, includes a bracket system for connection with each one of the door leaves. A first pair of wheels is associated with the bracket system in a downward region. The device includes elements adapted to force the closure arrangement of at least one of the door leaves.

Abstract: A window pane is mounted in a closed position outside a window frame, commonly referred to as a frameless window, and is movable into open positions parallel to the closed position. The window pane can be slid into a fully open position. Sliding mechanisms are attached to the window pane. Swing arms connect the sliding mechanisms to the window frame. Control arms also connect the sliding mechanisms to the window frame. They determine the distance of and control the translation of the window pan from the closed position to the initial open position. A handle is attached to at least one of the sliding mechanisms or window pane. Latching mechanisms secure the handle in the open positions. The invention is designed so that a plurality of screens allows air flow through the window frame, preventing passage of insects or debris through the window frame.

Abstract: Support and operating device for sliding doors, in particular for wardrobe cabinets, wherein the doors (6) are moved from a closed and lowered position, to an open and raised position, shifted forward in relation to the closed doors, and vice versa. The device comprising one upper group of component parts and one lower group of component parts for each door (6), suitable for determining the movement of the door in such a way that it is always kept in its correct parallel and orthogonal position in all the shifted positions thereof.

Abstract: A slider window assembly for a vehicle includes a frame portion having an upper rail and a lower rail, at least one fixed window panel that is fixed relative to the frame portion, and a movable window panel that is movable along the upper and lower rails. The movable window panel is movable between a closed position and an opened position. The movable window panel may include a panel portion and a carrier element integrally formed with the panel portion, with the carrier portion slidably received in the lower rail and movable along the lower rail as the movable window panel is moved between its closed and opened positions. The window assembly may include conductive heater grids that are electrically powered without use of jumper wires that electrically connect between heater grids of the fixed window panel at opposite sides of the movable window panel.

Abstract: A sliding door assembly comprises an upper guide track and a plurality of door panels slidably received in a portion of the upper guide track for movement along the track. A bracket is mounted to a top edge of at least one of the door panels. At least one roller mechanism is secured to the bracket and to each of the door panels. The at least one roller mechanisms are slidably received within the upper guide track. A pair of pulleys is secured to the bracket for carrying an endless cable for rotation around the pulleys. Means are provided for securing the other door panels to the cable. In a first position, the side edges of the door panels are contiguous and a first outer door panel is secured to the cable of the immediately adjacent door at the side edge opposite to the direction of closing movement of the door panels.

Abstract: An enclosure system includes a plurality of elongated panels consecutively connected to one another. The plurality of elongated panels includes a plurality of independent panels and a panel-door. The enclosure system also includes an upper track constructed and arranged to receive an upper portion of the plurality of elongated panels and a lower track constructed and arranged to receive a lower portion of the plurality of elongated panels. The lower track includes two polytetrafluoroethylene (PTFE) strips constructed and arranged as a transport system for facilitating movement of the plurality of elongated panels along the upper track and the lower track by achieving a very low coefficient of friction enabling heavy weights to be moved with little effort. Substantially all weight of the plurality of elongated panels is supported evenly across a length of the lower track on the two PTFE strips.

Abstract: A sliding panel structure. The sliding panel structure includes a frame having an upper support track and a lower guide rail. At least one sliding panel is connected between the upper support track and the lower guide rail. The sliding panel includes a sliding panel pivot axis and an extension for riding in the lower guide rail. The extension prevents undesired pivoting of the sliding panel about the sliding panel pivot axis. A mutual attraction device is connected between the sliding panel and the frame with a first mutual attraction part connected to the frame and the second mutual attraction part connected to the sliding panel. A fulcrum is utilized for tilting the sliding panel whenever the first mutual attraction part engages the second mutual attraction part. The tilting of the sliding panel causes the extension to disengage the lower guide rail which allows the sliding panel to pivot about the sliding panel pivot axis.

Abstract: A sliding window assembly for a vehicle includes a frameless fixed portion having first and second glass window portions and includes a sliding portion having a glass window panel. The sliding window assembly is a horizontal sliding window assembly and is configured for mounting at an opening of a bodywork of the vehicle. Upper and lower track members are adhesively attached at the rear surface of the first and second fixed glass window portions and no portion of the upper and lower track members is in contact with the front surface of the first and second fixed glass window portions. A glide member is longitudinally movable along the lower track member to facilitate movement of the glass window panel between its opened and closed positions. The fixed portion is adhesively bonded to the bodywork at a frameless periphery of the fixed portion that faces the interior of the vehicle.

Abstract: A vehicular slider window assembly (10) includes upper and lower rails (22, 24), at least one fixed window panel (16, 18) and a movable window panel (20). The lower rail comprises a channel (26) and a guide element (28) received in and secured to the channel. The guide element extends at least partially along the fixed window panel and the opening and the channel extends at least partially along the fixed window panel and beyond an end of the guide element and receives a carrier (30) of the movable window therein during loading of the movable window. The movable window is received in the channel at a first depth during the loading process and is raised to a second depth to generally align the carrier with the guide portion (28a) of the guide element for insertion of the carrier into the guide portion for movement along the guide portion.

Abstract: The invention relates to a mobile partitioning wall with several wall elements suspended at running rails. In order to provide a mobile partitioning wall, which is designed to be simple to manufacture and to mount and to be universally applicable, and offers simple and variable possibilities to be optionally completed with add-on parts, the wall elements are formed without supporting frame, and mounting elements are horizontally and/or vertically disposed at the edge sides of the wall elements.

Abstract: A slider window assembly for a vehicle includes a frame portion having an upper rail and a lower rail, at least one fixed window panel that is fixed relative to the frame portion, and a movable window panel that is movable along the upper and lower rails. The movable window panel is movable between a closed position and an opened position. The movable window panel may include a panel portion and a carrier element integrally formed with the panel portion, with the carrier portion slidably received in the lower rail and movable along the lower rail as the movable window panel is moved between its closed and opened positions.

Abstract: An opening mechanism (1) includes a longitudinal guide (3) fixed to the frame of a furniture unit and, for each door (2), a first slide (4) sliding along the longitudinal guide (3), a second slide (5) which carries the door (2) and which slides transversally on the first slide (4) from a retracted position to an extracted position and vice versa and return elements to bring the second slide (5) back to the retracted position. The second slide (5) is able to rotate with respect to the first slide (4) and presents a curved space (8) in which guide elements (7), integral with the first slide (4). The first slide (4) further includes holding elements (10), controlled by a control surface (51) situated in the longitudinal guide (3), able to lock the second slide (5) in the extracted position when the door (2) is open to prevent the second slide (5) from being brought back to the retracted position by the return elements.

Abstract: A rear sliding window assembly suitable for use in a vehicle includes a fixed portion and a sliding portion and upper and lower track members disposed at a surface of first and second fixed glass portions. The sliding portion comprises a glass window panel and is laterally movable between the upper and lower track members relative to the fixed portion. The glass window panel is movable between an opened position and a closed position, and the glass window panel is disposed at the gap that is between the first and second fixed glass window portions when at its closed position. A glide member is longitudinally movable along the lower track member to facilitate movement of the glass window panel between its opened and closed positions. A sealing member is disposed between the fixed portion and the sliding portion at least when the glass window panel is at its closed position.

Abstract: A sliding window assembly for a vehicle comprises a first fixed panel and a second fixed panel spaced from the first fixed panel. A sliding panel is movable relative to the fixed panels. A rail is coupled to the fixed panels. The rail has a channel portion for receiving the sliding panel and an attachment portion extending from the channel portion. The attachment portion has an interior surface. The sliding window assembly further comprises an elongated member that couples the rail to the fixed panels. The elongated member partially encapsulates the rail with a portion of the interior surface of the attachment portion free of the elongated member to present an exposed bonding surface. The exposed bonding surface allows the rail to be bonded to the flange of the vehicle for mounting the sliding window assembly to the vehicle.

Abstract: A door assembly includes a fixed door panel constructed and arranged to be fixed in a door opening and a sliding door panel constructed and arranged to be slidably movable relative to the fixed door panel between (1) a closed position and (2) an open position. Each door panel includes a glass panel, and a frame including a vertical frame member constructed and arranged to surround at least a portion of the vertical edge of the glass panel. At least one of the vertical frame members includes an end portion having an angled surface extending inwardly towards the glass panel. As a result of movement of the sliding door panel, the end portion of the at least one vertical frame member at least partially overlaps another of the vertical frame members.

Abstract: The watertight patio door assembly includes two adjacent and laterally offset door panels mounted in a door frame, at least one of the door panels being slidably movable within the door frame. It also includes a combined air and water passageway located within a sill section of the door frame. The passageway provides a continual fluid communication between a location at a bottom end of a clearance gap, located between adjacent vertical frame members of the door panels when the patio door assembly is closed, and the exterior side of the patio door assembly. Two spaced-apart sets of weatherstrips create a vertically-extending buffer air space within the clearance gap. The disclosed arrangement can greatly improve watertightness between the door panels during severe weather conditions without the need of a complex arrangement and/or weatherstrips impairing the movement of the sliding door panel or panels.

Abstract: A gliding door system employs a latch with a gear and pinion mechanism for smooth opening of a door. A lower door push member is driven with the opening of the latch, so as to urge the door open by pushing at a lower end thereof. The door suitably is carried by adjustable wheels that ride on a rail like member, wherein at a closed position, the rail is slightly depressed, to lower the door slightly at the closed position, to bring lower seals into engagement with seats.

Abstract: A rear sliding window assembly suitable for use in a vehicle includes a fixed portion and a sliding portion and upper and lower track members disposed at a surface of first and second fixed glass portions. The sliding portion comprises a glass window panel and is laterally movable between the upper and lower track members relative to the fixed portion. The glass window panel is movable between an opened position and a closed position, and the glass window panel is disposed at the gap that is between the first and second fixed glass window portions when at its closed position. A glide member is longitudinally movable along the lower track member to facilitate movement of the glass window panel between its opened and closed positions. A sealing member is disposed between the fixed portion and the sliding portion at least when the glass window panel is at its closed position.

Abstract: An electronic sign with multiple direction positionable rear access doors, wherein sliding rear access doors are utilized to provide for access to the inner regions of the electronic sign while maintaining a thin profile. One or more of a plurality of sliding rear access doors can be disengaged from a back panel and urged rearwardly a minimal distance and then positioned laterally and unobtrusively along the length of a top track opposing a bottom track allowing the electronic sign to maintain a thin and unobtrusive profile.

Abstract: A rear sliding window assembly suitable for use in a vehicle includes upper and lower track members and at least one fixed glass window panel. The track members are disposed at a surface of the fixed glass window panels and no portion of the track members is in contact with the opposite surface of the fixed glass window panels. A movable glass window panel is slidably disposed at the track members and movable at least partially along the track members relative to the fixed glass window panel or panels. The movable glass window panel is movable between opened and closed positions. A perimeter edge of the movable glass window panel may be received by a glide member, and the glide member may be disposed in the upper or lower track member to facilitate sliding of the movable glass window panel at least partially along the upper or lower track member.

Abstract: An expandable side enclosure for bathtubs and/or showers providing an appropriate solution to prevent restriction and suffering caused bathers in bathtubs and/or showers due to the lack of free body and limb movement required during bathing in baths with standard enclosures.

Abstract: A sliding fenestration assembly including a panel assembly having at least a primary panel and a secondary panel, where the primary panel is slidable relative to the secondary panel. The assembly further includes an actuator assembly having an actuator. The actuator assembly is coupled with an element, and movement of the actuator causes movement of the element. One or more locking latches are disposed remotely from the actuator, and the two or more locking latches having a locked and unlocked position. The two or more locking latches are coupled with the element and mounted along the primary panel. The actuator assembly is adapted to unlock the two or more locking latches and slide the primary panel.

Abstract: In an aspect, the invention is directed to a backlite assembly for a vehicle such as a pickup truck. The backlite assembly incorporates a motor assembly and a motor driven belt engaged with a guide rail that can be mounted to a structural support that is bonded to the fixed windows of the backlite assembly. A motor driven belt is used to actuate a movable window between closed and open positions. The lower support can also integrate the rail directly therein. The lower support can additionally integrate a housing for the motor assembly.

Abstract: A sliding window, door or the like (10), including at least two panes (23, 24) which extend in a generally vertical plane and at least one of which is movable generally horizontally, a sill (11) including a channel (17) that extends generally horizontally and within which bottom edge portions of each of the at least two panes (23, 24) are received, a dividing member (20) within the channel (17) which extends between the at least two panes (23, 24). The dividing member (20) extends either in contact with or in close facing relationship with the bottom edge portions of the at least two panes (23, 24).

Abstract: A sliding door assembly includes a fixed meeting stile sufficiently designed for maintaining a vertical weather strip gasket; a door jamb sufficiently designed for maintaining a vertical weather strip gasket; a first horizontal weather bar comprising an attaching means for engaging a sill of the sliding door assembly, and a horizontal member having a first end for engaging the fixed meeting stile, and a second end for engaging the door jamb, wherein the horizontal member is sufficiently designed for maintaining a horizontal weather strip gasket; and a second horizontal weather bar comprising an attaching means for engaging a head component of the sliding door assembly, and a horizontal member having a first end for engaging the fixed meeting stile, and a second end for engaging the door jamb, wherein the horizontal member is sufficiently designed for maintaining a horizontal weather strip gasket.

Abstract: An exemplary display device includes a support member, a pair of displays slidably attached to the support member, and positioning members disposed between the displays and the support member. The support member includes a straight slideway, and a curved slideway defined therein. The curved slideway includes a slanting portion, and a first straight portion and a second straight portion extending out from opposite ends of the slanting portion. The straight slideway is parallel to the first straight portion of the curved slideway and in line with the second straight portion of the curved slideway. The displays are slidably received in the straight slideway and the curved slideway respectively. The displays may be positioned to form a large screen, or slid to overlap leaving a single display visible.

Abstract: A barrier for the inside of a home. The barrier includes two partitions that slide relative to each other to increase and decrease a distance between ends of the barrier. The partitions slide into and out of confronting relationships with each other. The partitions engage each other at upper and lower locations and further at a medial location where an elongate member of one partition is received in a tube engaged to the other partition. A threaded piece upon being turned brings pressure to bear upon an end of the tube such that the partitions can be incrementally expanded apart and thereby pressurized between two locations within the home so as to block off one portion of the home. The threaded piece is slideable along the elongate member.

Abstract: A novel sliding door and window operating system is especially conducive for use on sliding patio doors and larger window panels. The system uses a small motor to electrically power and rotate a lead screw enclosed within a casing. A guide block on the lead screw is positioned within an opening, inset into the door or window panel which is to be slideably moved. The motor is actuated by use of a switch. The motor rotates the lead screw which in turn moves the guide block back and forth longitudinally within the casing. As the guide block is located within the inset opening of the door or window panel, as the guide block moves it carries the panel along with it, thus opening and closing the panel.

Abstract: Presented herein is a novel sliding door system that that enables adjustment of at least two sliding doors relative to each other such that surfaces of the sliding doors create a substantially flush surface a support onto which the sliding door mechanism is mounted. The system includes at least one inner and outer sliding door slidably coupled to corresponding guide rails. The guide rail that is coupled to the outer sliding door is selectably moveable by a sliding door mechanism between a first and a second position. In the first position, a user can slide outer and inner sliding doors along said guide rails, whereas in the second position, a surface of the outer sliding door is substantially flush with a surface of said inner sliding door.

Abstract: A device for the transport and medical care of patients as well as for the provision of emergency medical care in an aircraft, which can be arranged and permanently installed inside the passenger cabin of an aircraft, and has a stretcher and medical care equipment, and screens the patient from the environment at least partially by means of lateral elements. The device is enveloped on all sides by lateral elements, and forms a separated compartment relative to the passenger cabin, the volume of which can be temporarily enlarged by shifting at least one lateral section between the first, emergency medical care mode, and a second, expanded mode for patient transport, wherein the stretcher can be horizontally arranged within the compartment in the first mode, and space is available for a medical assistant inside the compartment.

Abstract: A sliding window assembly for a vehicle includes an upper track member, a lower track member, and a carrier component. The track members each define a first channel having a first depth, a second channel having a second depth, and a third channel having a third depth less than each of the first and second depths. The carrier component includes upper and lower edges. Each edge has a first tab extending to a first length and a second tab extending to a second length. The carrier component slides in the track members to move between an open and a closed position. The first tabs slide in the first channels, the second tabs slide in the second channels, and the edges of the carrier component slide in the third channels. The first lengths correspond to the first depths and the second lengths correspond to the second depths so the tabs appropriately fit in their respective channels.

Abstract: A double sliding door arrangement cooperating with a double-wide door opening formed in an upright wall. A top header beam extends across and defines the upper extremity of the door opening. A pre-tensioning arrangement mounted on and extending lengthwise of the top header beam causes the header beam to be deflected upwardly into a shallow bowed shape. A support track is fixed to and extends lengthwise of the header beam and horizontally for predetermined distances along and rigidly fixed to the wall adjacent right and left sides of the door opening. Right and left slab doors are supported on and vertically suspended downwardly from said track in sidewardly co-planar relationship, and are movable along said track between closed and open positions. The doors in the closed position vertically load and downwardly deflect the header beam, whereby the initial upwardly bowed shape minimizes outward swinging between opposed inner edges of the doors when in the closed position.

Abstract: A substantially flush mounted vehicular window frame assembly and method for producing same are provided, where a slider panel can be moved in either direction across a fixed panel having a window aperture defined therein. Stationary rails, near horizontal edges of the aperture, run in parallel and extend the width of the assembly. The slider panel with locator rails attached to two edges, mates with and moves between the stationary rails. Pillar seals attached to the fixed panel near vertical aperture edges, make sealable contact with the slider panel when it covers the aperture. Slider seals attached to fixed panel edges that form the horizontal edges of the aperture, make sealable contact with the slider panel when it covers the aperture. Flush mounting of the assembly is achieved by placing the window frame assembly and associated panels in substantially an exterior vehicle body frame plane.

Abstract: The present invention aims at providing a durable door opening/closing mechanism that does not require a large space for opening and closing operation and that a door and main body can be freely designed. To achieve this, a door is supported by links coupled to a cab by joints. One end of the door is guided along the side of the cab by a guide rail. When a rail support begins moving along the side of the cab while being guided by the guide rail, a couple of forces, causing the door to rotate, act on the joints at the both ends of the links. The other end of the door is swung out of the cab toward outside by the couple of forces, and the track is regulated into an arc form by the rod.

Abstract: A housing for a movable partition system, which housing is used to house mechanical, electrical and electronic components of the movable partition system. The housing has a one-piece, C-shaped transom profile. The housing further has a support leg which defines a cavity in the interior of the housing. The support leg is designed to maximize stability and torsional stiffness of the housing and to maximize available space in the interior of the housing to house components of the movable partition system.

Abstract: The invention relates to an arrangement for moving elements of a multi-leaf sliding wall into a parking magazine whereby a storage rail branches in the region of the parking magazine from a guide rail which carries the elements, and whereby each element has a drive assembly. The invention is directed thereto that the first element next to the parking magazine in the region of the free end of the guide rail is journalled to be swingable about an axis of rotation and is exclusively guided with its associated drive assembly by the storage rail, whereby between the first element and the drive assembly there is disposed a coupling link configured to support a tension to pull and to support a compression to push.

Abstract: A privacy screen assembly for work spaces of the type having spaced-apart partition panels forming an opening for user ingress and egress therethrough. The privacy screen assembly includes a privacy screen defining a lower edge, and at least one roller mounted adjacent the lower edge for movably supporting the privacy screen on a trackless floor surface. An attachment member is configured to movably interconnect the privacy screen with a first partition panel. The attachment member positions the privacy screen in an offset position relative to the first partition panel. The privacy screen is movable between an open position wherein the privacy screen is disposed alongside at least a portion of the first partition panel, and a closed position wherein the privacy screen closes off at least a substantial portion of the opening.

Abstract: A sliding-rotating leaf system especially for enclosing a balcony with glass has several leaves (1, 1′), which have an area element (2) and can be swiveled about an axis of rotation (4) and of which at least one additionally is constructed movably as a sliding-rotating leaf (1′). The sliding-rotating leaves (1′) are mounted movably in guide rails (7) at the rollers (5, 5′). Coupling elements (9) on the rail side, traversable by the sliding-rotating leaves (1′), are connected with the guide rail (7) and can be bought into engagement with at least one coupling piece (8) on the leaf side disposed at the axis of rotation (4) of the sliding-rotating leaf (1′) and lock the sliding-rotating leaf (1′) to prevent shifting when it is swiveled.

Abstract: A mounting mechanism for coplanar doors is of a four-bar linkage type and a door is carried on parallel links or connecting rods, so that it moves parallel to itself from a steady, closed position, through a transitory retracted or extracted position, to an opening position, before or behind another door, and vice-versa. The connecting rods are carried on a sliding carriage unit and a cam compensator unit is provided that ensures carriage movement parallel to a door plane, for part of the way, when the door is moved between its closed position and a retracted or extracted intermediate position, by rotation of the connecting rods, so that the resultant door movement is basically at right-angles to the door plane.

Abstract: The mechanism comprises longitudinal rails and, for each door, a double slide assembly of which a first slide slides along the rails and a second slide, constrained to the door, moves at right angles to the first slide between a retracted position in which the door is closed and an extracted position in which the door is opened, at a distance from said first position at least equal to the thickness of the door or a multiple thereof. A longitudinal traverse of the slide assembly is allowed only when the second slide is in the extracted position with respect to the first. The retracted position is forced by spring means between the second slide and the first slide. The width of the slide assembly is smaller than the width of the door, generally being half, a third or a quarter thereof.

Abstract: An opening system in which the glass doors (1, 2) move longitudinally along a customer's side between a load bearing upper bar (3) and a lower bar (4); one or more glass doors (1) are held by upper holding bar (22) and lower holding bar (23) which have rollers (20, 21) on their inner ends; the rollers (20, 21) slide transversely along the horizontal part of the T-shaped bars used as carriages (18, 19) which are equipped with wheels (9, 14) that slide longitudinally along slideways (6, 7, 11, 12) which have horizontal bases which extend longitudinally. Two slideways (6, 7) are positioned in the load bearing upper bar (3) and their bases are placed at the same height from ground level; the remaining slideways (11, 12) are positioned in the lower bar (4) and their bases are placed at the same height from the ground level too.

Abstract: Wall members (1) of a partition wall which can be assembled by roller cross-heads (1a, 1b), along a main guide rail (3-3a) and branch rails (3b, 3c) of displaceable wall members (1) are displaced (A, B, C) by self-propelling trolleys (2, 2a, 2b) which move inside a continuous channel provided in or on the guide rails (3-3a, 3b, 3c). The self-propelling trolleys (2, 2, 2b) have an electrical linking device (4) which acts on suspension projections (6) or recesses provided on the roller cross-heads (1a, 1b). One of the roller cross-heads (1a, 1b) of the wall members is mounted to be displaceable horizontally (1i), to move the sealing ledges (1d, 1e) in and out (1f, 1v) by way of a system of levers, connecting rods, and springs (1t, 1p, 1l, 1n, 1r, 1o).

Abstract: The size of a walled ball-court's playing area is changed by moving a wall into and out of one side thereof (e.g., the end of an elongate court). The wall moves on wheels rolling in horizontal tracks inset into the floor of the court. The movable wall is mounted on one end of a frame extending outwards from the ball-court, and the weight of the wall is balanced with counterweights so that the wall does not tip when moved. A mechanical drive, which may be manually powered by a single operator, applies horizontal forces to the wall in order to move it back and forth along the tracks. In a preferred embodiment, two sets of wheels, spaced out along the movable wall, are used. In this configuration the spacing between the two sets of wheels is adjustable to allow an installer to select an optimal spacing.