Abstract: A new and improved method is provided for repairing or retrofitting cable management apparatus used in raised flooring systems constructed to deliver a source of building air, or HVAC, while managing cables passing through an access port constructed in the raised flooring structure without jeopardizing the underfloor plenum air delivery systems. A raised floor grommet assembly provides a grommet locking mechanism defining an assembly retention system that lockingly engages and removeably disengages a first section and a second section of the grommet assembly, and an access port locking mechanism that lockingly engages and removeably disengages an access port constructed in the raised flooring structure. The unique grommet assembly provides an efficient and effective method and apparatus designed for retrofitting cable management systems and accommodates system upgrades, workstation relocation, and HVAC management.

Abstract: The present invention is directed to provide a computing system comprises plurality of apparatii mounted on the wall or floor adjacent to or embedded inside the LAN jack or a main power outlet. The apparatii are connected at the back side through Ethernet cable, optical fiber or main lines to the building LAN and connected at the front side through cables or wirelessly to display, keyboard, mouse or other peripheral devices. In a typical embodiment of the present invention power to the computing apparatus is supplied through the LAN cable. Another embodiment of the present invention utilizes a wall or floor mounted housing part comprising of an integrated LAN connector. This common housing enables easy installation of the said computing apparatus module and plurality of other compatible devices that may be plugged into that same housing.

Abstract: An outdoor generator accessory comprising a window power strip, the power strip defining an encasement having a lower margin set within a window seat of a residence or commercial building, and upper margin sealed against a lower window panel, in inner surface having a plurality of AC outlets, an illumination source, circuit breakers for each outlet, and a CO detector, and a rear surface having a power inlet for connection to an outdoor electrical generator and a set of wires to be connected to the ground of the electrical generator to turn off the generator when the CO detector detects a minimal threshold amount of CO within the residence.

Abstract: An exemplary cover for a conduit body integrates a lid with a gasket. The gasket is a closed loop with an upper rim portion and a lower rim portion forming an inner groove therebetween. The lid includes a hump surrounded by a border, and the border is positioned within the inner groove to secure the lid and the gasket together. The border of the lid has a slight convexity with respect to the bottom side of the lid, providing the lid with a slight curvature toward the conduit body. As a result, the lid bows downward between two fastening points at opposing ends of the lid. The gasket preferably includes a ridge protruding down from the lower rim portion. This ridge also faces the conduit body on which the cover is removably secured.

Abstract: A carrier is provided for a control unit of a motor vehicle. The carrier includes, but is not limited to at least one material section for fastening to the body of a motor vehicle. It is provided that the carrier is designed for receiving at least two control units, which via an insertion region of the carrier can be mounted to the carrier from the same side. A control unit is also provided for installation in a carrier and a motor vehicle is provided with a carrier.

Abstract: A cable raceway system includes a device bracket and a device cover for outfitting an elongate cable raceway with a downward facing electrical device. The raceway, configured for attachment to a wall surface, is of the type having an interior wireway. The device bracket is cooperative with the raceway for access to the wireway, and includes a device support for connecting an electrical device to the bracket, in a downward facing orientation with respect to the raceway. More particularly, when an electrical device is attached to the device support, an access face of the electrical device is oriented generally perpendicularly with respect to the wall surface. The cover cooperates with the bracket and raceway for covering the bracket, and has a faceplate portion complementary to the electrical device.

Abstract: A cable management system or member has an optional enclosure and annular hubs defining an axis. A rotatable support frame is attached to the annular hubs, with a patching field having a plurality of ports and first and second primary sides attached to the rotatable support frame. Rotation of the rotatable support frame about the axis produces corresponding rotation of the annular hubs. When cable bundles pass through the annular hubs, they may also rotate with the support frame, reducing or eliminating the need for cable slack loops and reducing or eliminating stress at cable/port connection points.

Abstract: A two-side cable-arrangement structure is disclosed. The two-side cable-arrangement structure includes a plate, a first cable-arrangement structure, and a second cable-arrangement structure. The first cable-arrangement structure and the second cable-arrangement structure are respectively disposed on two sides of the plate. A cable is fixed on the two sides of the plate by the first cable-arrangement structure and the second cable-arrangement structure simultaneously. Thereby, the cable is constrained at both the direction vertical toward the plate and the direction vertical away from the plate, and the fixed cable is not easy to move by pulling. It solves the difficulty of fixing a cable completely by a conventional single-side cable-arrangement structure in the prior art.

Abstract: An electrical box assembly is provided for enabling an electrical box to be rapidly installed into a metal framework that supports an interior wall of a building. The assembly includes a supporting member which is attached to the metal framework, and an electrical box of square design having paired outwardly directed flanges. The flanges are positioned to fit into receiving brackets on the supporting member, thereby enabling the electrical box to engage the supporting member by a simple downward sliding motion.

Abstract: A conduit retention system comprises a base and a plurality of polygonal elements which can snap-fit together.

Abstract: The invention provides a protection device for protecting a flat cable in an optical disk drive. The protection device includes a casing, whereon a main board is fixed inside the casing, and an opening is formed at a front edge of the casing. The protection device further includes a tray disposed inside the casing in a slidable manner, a circuit board disposed on a bottom of the tray, the flat cable connected to the main board and the circuit board, a cover disposed on the bottom of the tray, and a support frame connected to the cover and protruding towards a rear of the casing. The support frame is disposed on the bottom of the tray and adjacent to a position, where the flat cable is connected to the circuit board, for holding the flat cable and preventing the flat cable from dropping.

Abstract: By providing an electrical connector which comprises a single component capable of being inserted into the knockout hole of a housing of any electrical junction box, outlet box, meter box, or similar enclosure from the interior of the housing and securely affixed thereto, an efficient, easily manufactured and installed electrical connector is achieved which can be securely mounted to the housing of any electrical junction box, outlet box, meter box, or similar enclosure from inside the housing. The electrical connector/clamp comprises a generally hollow cylindrical shape incorporating an axial, longitudinal extending slot formed therein which terminates along the length of the electrical clamp/connector and forms the cylindrical housing into two portions movable relative to each other.

Abstract: An electrical mounting device for securing an electrical component or fixture on a wall. The mounting device includes a front plate with an opening therein and a rearward extending portion surrounding the opening. The rearward extending portion may be in the form of a peripheral wall with an open back or a peripheral wall with a rear wall defining an enclosure therein. Bosses with oversize apertures are provided in the plate for accommodating mounting fasteners. Clamp arms are secured rigidly to the ends of the mounting fasteners. The peripheral wall is dimensioned slightly less than the diameter of a standard size hole-saw. The clamp arms can be adjusted to a retracted position for insertion on a wall or to an extended position for securing the electrical mounting device to a wall. The electrical mounting device significantly reduces the time required for mounting an electrical component on a wall.

Abstract: A recessed electrical outlet box for mounting in a floor. The outlet box includes a body made at least partially of intumescent material and configured to retain at least one receptacle and a retention structure receiving the body. The retention structure is configured to retain the body within a hole in the floor and contain the expansion of the intumescent material.

Abstract: An electrical device may include first and second mounting portions arranged at opposite ends of the electrical device and adapted to mount the electrical device to an electrical box, and an alignment feature adapted to align the electrical device with an adjacent electrical device by contacting the adjacent electrical device as the electrical device slides toward the adjacent electrical device. An adapter may include first and second mounting portions adapted to be attached to first and second mounting portion of an electrical device, and an alignment feature adapted to align the electrical device with an adjacent electrical device by contacting the adjacent electrical device when the one or both of the electrical device and the adjacent electrical device are slid laterally while mounted to an electrical box.

Abstract: In one embodiment, an adapter may include first and second mounting portions adapted to be attached to first and second mounting portions of an electrical device, and first and second spacers arranged to space the first and second mounting portion of the electrical device away from a building surface when the electrical device is mounted to an electrical box. In another embodiment, an adapter may include a ring to surround a body of a standard electrical device, and first and second slots to receive first and second mounting portion of the standard electrical device.

Abstract: A connecting box for connecting to a solar panel includes a housing and a terminal assembly. The housing has an opening for introducing an electrical connecting element of the solar panel. The terminal assembly is disposed in the housing, which includes a first terminal having a first contact portion for contacting and applying an elastic force to the electrical connecting element and a first releasing portion extending from the first contact portion. The first releasing portion is non-obstructedly arranged in the housing to be operable to release the elastic force without assistance of any tools when the solar panel is inserted into or extracted from the connecting box.

Abstract: A flat cable deflection device with circuit integrity in case of a fire including a cylindrical cable deflection element made from fire resistant insulating material; and a support for the cylindrical cable deflection element made from fire resistant material. The support is offset from the cylindrical cable deflection element so that the support facilitates enveloping the cylindrical cable deflection element with a flat cable without the support contacting the flat cable. An electrical installation including at least one flat cable deflection device; at least one flat cable including plural high power current strands extending parallel adjacent to one another in a plane, where the flat cable runs over the deflection device and changes its direction at the deflection device, wherein the transversal cable direction in front and after the deflection device extends horizontally, and wherein the flat cable envelops the cylindrical cable deflection element at least partially.

Abstract: An electrical device mounting assembly for flush wall mounting of an electronic device that requires both power and low voltage connections. The assembly enables recessed mounting of all electrical components, wiring, cabling, and plug ends of electrical cords behind the wall surface. The mounting assembly includes a mounting frame, a trim plate, and rotatable clamp arms to enable rapid mounting to a wall. The mounting assembly enables mounting of either a high voltage or low voltage mounting plates at an angle with respect to the wall surface, thereby minimizing the depth of the mounting frame while providing a substantial enclosure for recessing plug ends of electrical cords and low voltage cables. The mounting assembly enables consolidation of power and signal hookups for a TV, home entertainment system, or similar electronic device in a single assembly that is recessed within the wall.

Abstract: A new rotary receptacle assembly comprises a frame assembly and a drum assembly journaled to the frame assembly so that the drum assembly may rotate relative to the frame assembly. Mounted to the drum assembly is at least one receptacle. A motor assembly may be mounted to one of the frame assembly and the drum assembly for imparting rotary motion to the drum assembly relative to the frame assembly. A clutch assembly disposed on one of the frame assembly or the drum assembly is coupled to the motor assembly. At least one sensor assembly is mounted on the drum assembly and operably coupled to the motor assembly via a rotation control circuit for preventing, among other things, the motor assembly from operating or changing the direction of rotation when an object obstructs the rotation of the drum assembly.

Abstract: A corner accessory for placing at the junction between at least two ducts that extend in different directions, includes two distinct flaps, one of which has a projecting element and the other of which includes an elongate opening, the projecting element being engaged in the elongate opening so as to move along a longitudinal direction of the opening to allow the flaps to move relative to each other. According to the invention, the elongate opening has a longitudinal edge parallel to the longitudinal direction and opening out locally to a slot that opens out into a free edge of the flap.

Abstract: A mounting bracket for installing an electrical junction box to an R-panel, the mounting bracket comprising a mounting plate having a first surface for interfacing with a portion of the housing of the electrical junction box, one or more sidewalls extending from the mounting plate; and one or more attachment tabs extending laterally from each of the sidewalls, wherein the mounting bracket is positioned between R-panel and the electrical junction box to space the electrical junction box at a distance away from the R-panel such that the electrical conduit may interface with the electrical junction box without having to bend the electrical conduit.

Abstract: A cable harness for passing one or more cables through an opening the wall includes a cable conduit including a generally S-shaped channel defined by an inner surface of a first shell portion and an inner surface of a second shell portion attached to the first shell portion and a least one cable disposed in the cable conduit. A method of mounting a cable relative to an opening in a wall is also disclosed.

Abstract: A fixing rack for a telecommunication apparatus allows the easy mounting, heat dissipation and maintenance of the telecommunication apparatus. A frame of the fixing rack is configured with a second hanging portion, a second joint portion and a fixing portion, wherein the fixing portion fixes the fixing rack on the installation surface, the second hanging portion hangs the telecommunication apparatus on the fixing rack with the first hanging portion configured on the back of the telecommunication apparatus, and the second joint portion joins with the first joint portion of the telecommunication apparatus and fixes the telecommunication apparatus on the fixing rack. The second hanging portion and the first hanging portion allow the telecommunication apparatus to be conveniently mounted onto the fixing rack. The fixing rack generates a gap between the telecommunication apparatus and the installation surface and facilitates heat dissipation and maintenance of the telecommunication apparatus.

Abstract: Exterior raceway system includes one or more elongated base members and associated cover members for concealing and protecting one or more cables against the weather when mounted on an exterior wall structure of a building. The cover members are removably attachable to the base members to facilitate mounting of the base members to the exterior wall structure and the attachment of one or more cables to the base member prior to attaching the cover members to the respective base members.

Abstract: An electrical outlet box installation in which there is no exposed cover plate, only the operative portion of the electrical component is visible at the wall surface. The operative portion of the component may be an electrical outlet, jack, switch, knob, or light, for example. The body of the electrical component is housed within the outlet box, also referred to as a junction box, with the open side of the outlet box being covered by a plate assembly having an opening that closely surrounds the operative portion of the component. The surface of the plate assembly is covered with wallboard mud, or other wall finishing material, which is blended into the surrounding surface of the wall so that only the operative portion of the component is exposed. The plate assembly includes a projecting wall or lip around the opening, up to which the mud or other fill material is applied.

Abstract: A device for managing a plurality of cables in a multi-cable environment includes a stationary member having a plurality of stationary channel portions. At least one movable member is movably secured to the stationary member. The at least one movable member has a plurality of movable channel portions corresponding in number and general configuration to the plurality of stationary channel portions. A plurality of indicia-bearing areas are provided, corresponding in number, and adjacent, to the plurality of stationary channel portions. The at least one moveable member is moveable between a cable placement position in which cables can be placed in the respective stationary channel portions, and a cable retaining position in which the cables are secured in channels formed by the cooperation of the stationary channel portions and the movable channel portions.

Abstract: A conduit body is described which includes an integrally formed nipple extending from the back wall of the body portion of the conduit body. The exterior surface of the nipple has threads formed thereon. The nipple being adapted to be cut to length with respect to different wall thicknesses of a building through which a nipple is extended to enable electrical wires to be extended through the building wall into an electrical panel or the like.

Abstract: An adjustable variable ring for electrical junction boxes including a base frame having a guide tab; a sliding insert having a box shaped frame, the sliding insert being configured to slide in and out of the base frame. A ratchet mechanism having a ratchet plate on the base frame including a plurality of steps, and a ratchet spring installed on an inner wall of the box shaped frame including an angled end tab and an angled mid tab protruding from the box shaped frame for engaging one or more of the plurality of steps. The sliding insert is configured to slide in and out of the base frame by disengaging the mid tab from the one or more of the steps by pressing on the end tab, and locks in the base frame by engaging the mid tab with the one or more of the steps.

Abstract: A holder device (1,100) for an article such as a thermocouple (9) is disclosed. The holder (1, 100) facilitates the placement and retention of the thermocouple (9) in an apparatus such as a lyophilizer by clamping the thermocouple (9) stably in position between adjacent shelves (80, 90) of the apparatus. The holder (1,100) comprises two bearing surfaces (14a, 126b) and a housing (10) extending therebetween. The housing (10) includes a spring (11) for biasing the bearing surfaces (14a, 126b) apart to retain the holder (1,100) between the shelves (80, 90). Also provided is a means for retaining a conduit, such as a thermocouple (9) or other device. The thermocouple retaining means comprises a conductive block (230) for securely holding within it a sensor end of a thermocouple (9) and a means is provided for retaining the block (230) with the thermocouple (9) in good conductive contact with a surface (80, 90) of the apparatus.

Abstract: A cable support bracket includes a backplate with a number of structures extending transversely therefrom and defining a plurality of cable restraints and slots. The cable restraints have a series of projections formed on the transversely extending structures. Each cable restraint has a series of projections aligned so as to create matching barbs that secure electrical cables within the restraints. At least one transversely-extending structure acts as a spacer to ensure that electrical safety requirements regarding the distance between cables and internal walls are met when the bracket is installed.

Abstract: An aspect of the present invention provides a conduit body assembly. The conduit body assembly has a conduit body with a closed lower end and a side wall surrounding the lower end. The side wall includes a planar perimetrical rim which defines an open upper end. Also, the conduit body assembly has a cover to enclose the open upper end. A deformable flexible flange extends from the at least one cover hole for engagement with a conical portion of a fastener in order to maintain alignment with and effect a seal between the cover and the fastener.

Abstract: A wiring holding member includes a holding portion and a wiring holding space. The holding portion is formed in a laying direction of a wiring including a linear wiring and a band-shaped wiring, and holds the band-shaped wiring. The wiring holding space is formed by the band-shaped wiring held in the holding portion, and accommodates the linear wiring therein.

Abstract: A hatchplate, formed of copper material, has first and second perpendicular surfaces with punched holes formed therein to provide for connecting the hatchplate to building ground, for mounting the hatchplate to a wall of the telecommunications facility and for mounting one or more surge suppressors to the hatchplate, thereby providing for a suitable ground connection for the surge suppressors.

Abstract: A conduit body device for accommodating wire therethrough the device is provided. The conduit body has a body wall including a pair of elongate side walls and a pair of end walls forming a perimetrical side wall, a bottom wall, and an open end defining a body interior. The conduit body further includes a longitudinal axis located generally along the elongate side walls. At least two hub passageways extend from the conduit body in communication with the body interior, each of the hub passageways including a hub wall defining an access channel for passage of wires therethrough. The hub passageways may be generally located in non-axial alignment with said longitudinal axis. In some embodiments the bottom wall has a broad curved shape. In other embodiments, the open end may be angled for ease of access.

Abstract: A plenum-rated surface mount box includes a main panel and a pair of side walls attached to opposite ends of the main panel. At least one of the side walls includes a recess configured to receive a connector adapter. The main panel and side walls are formed as a unitary structure and comprise a polymeric material. This configuration can simplify manufacture, installation of the box on a wall or to an existing electrical box, and/or installation of cables and adapters.

Abstract: A cable organizer is disclosed. The cable organizer includes a cable spool that is mountable to an underside of a support surface and is used to organize, store and separate cables and power cables used to operate and power electrical appliances. The cable spool is formed from cup structures that are fitted or snapped together and that include the flexible shells or skirts and core portions. The cable organizer preferably includes a surge protected power supply with a plurality of power outlets for providing power to power cables organized, stored and separated by the cable organizer. The power supply is preferably mountable between the cable spool and the underside of the work surface.

Abstract: A fire and/or water resistant enclosure is provided for housing an operable digital data storage device. The enclosure is a low cost, preferably molded gypsum enclosure having various embodiments for providing resistance to fire occurring outside said enclosure and/or to water. In one embodiment, a fan cooperates with one or more hatchless ventilation passageways to cool the digital data storage device. Another embodiment provides a water resistant pouch surrounding the data storage device which may be made of flexible foil or of finned relatively robust and non-flexible thermal conductor. The enclosure in some embodiments utilizes a fan and in some embodiments operates without a fan. Similarly, the enclosure in some embodiments utilizes movable hatches and in other embodiments is hatchless in design.

Abstract: One aspect of the present invention provides a poke-through assembly for installation in a hole in a floor structure. The floor structure defines a floor in a first working environment and a ceiling in a second working environment. The poke-through assembly includes at least one intumescent member, a base plate and an intumescent enclosure. The intumescent member is disposed at least partially between the floor of the first working environment and the ceiling of the second working environment. The base plate supports and is disposed below the intumescent member for limiting the expansion of the intumescent member toward or into the second working environment. The intumescent cover supports the intumescent member and circumferentially surrounds at least a portion of the intumescent member, wherein expansion of the intumescent member is impeded by the cover.

Abstract: A device and method for mounting electrical boxes (1) in preexisting drywall (4) using a mounting bracket (3). To use, a holding wire (14) having a stop (15) on one end is placed through a screw hole (9) of a cover (2) which is attached the electrical box. Then the electrical box and cover are placed sideways through a wall hole (7) in the drywall. Next the electrical box is lowered behind the wall so that conduit (8) may be connected to the electrical box. Then a mounting bracket (3) is secured to the cover and electrical box with holding clips (11) and screws (12) using the holding wire to keep the mounting bracket and cover centered with the wall hole. A standard switch or outlet cover may then be installed to cover the mounting bracket. An additional novel feature of the present invention is a stop strap (17) which may be attached to conduit above a top plate (10) of a wall to bold the conduit in place.

Abstract: Several one-piece unitary easily manufactured and economical products that both facilitate the routing of cable and the storage of extra lengths of cable are provided wherein a cable management apparatus includes a centrally disposed first cable confinement portion mountable to a surface, a second cable confinement portion extending from a first side of the first cable confinement portion, and a third cable confinement portion extending from a second side of the first cable confinement portion opposite the first side such that the first, second, and third cable confinement portions are substantially aligned. Another cable management apparatus includes a stepped mounting member, a first confinement member extending from the stepped mounting member forming a first confinement channel, and a second confinement member extending from the stepped mounting member forming a second confinement channel.

Abstract: A fire resistant assembly, which may comprise a first layer having a lumen therein, a second layer adjacent the first layer, a first structural member disposed between the first and second layers, and a box having a cavity defined by a wall, a first opening in the wall, a flange proximate the first opening, and optionally a second opening in the wall, wherein the box is disposed between the first layer and the second layer and wherein the opening is disposed on the lumen of the first layer, the box comprising a further fire resistant feature such as an intumescent ring disposed about the second opening, a plenum wrap layer, or an intumescent layer, and various methods and apparatuses related thereto.

Abstract: A device for supporting a cable between a vehicle body and a movable member movably connected to the vehicle body is provided with a guide including a frame having a three-dimensional outer surface and a supporting member for rotatably tightly holding the arcuate surface of the guide, the support being fixed to the vehicle body and/or the movable member. The frame of the guide includes a first opening and a second opening communicating with a hollow portion thereof and used for insertion of the cable, a tube projecting from the peripheral edge of the first opening and a rotational angle restriction projecting from the outer surface of the frame while being spaced apart by a required angle from the tube. The support includes a contact engageable with the rotational angle restriction, and at least one of facing surfaces of the contact and the rotational angle restriction is an inclined surface.

Abstract: A frame section for a window or a door or a façade. The frame section includes an external shell and an internal shell. Each shell has hollow chambers. At least one of the shells includes a first groove and a second groove. The first groove is configured to accommodate hardware fittings. The second groove is configured to accommodate a cable.

Abstract: An outlet box assembly for installation within a concrete floor, or any other type of poured flooring, includes a housing for accommodating a receptacle assembly with an electrical power and/or data receptacle as well as the wiring connected to the receptacle and the receptacle assembly has a self adjusting attachment ring that accommodates the tapered inner walls of the housing and the receptacle assembly accommodates either a standard electrical outlet or a multimedia outlet with connections for power and one or more of voice data and audio video data.

Abstract: A power storage apparatus includes a power storage module having a plurality of power storage elements which are aligned in one direction; a device placed adjacently to the power storage module in the direction of the alignment of the power storage elements; a high-voltage cable used in charge and discharge of the power storage module; and a support structure configured to support the high-voltage cable at a plurality of points to position the high-voltage cable along a reference path. The high-voltage cable is configured to electrically connect an electrode terminal of the power storage module to the device. The electrode terminal is one of two electrode terminals of the power storage module and is located on a farther side of the power storage module from the device.

Abstract: A structural building system includes a plurality of pultruded fiberglass reinforced structure components configured to be used as a structural frame member of a building and a plurality of connectors.

Abstract: A cable pathway system has a base with a bottom, a generally planar top surface, a first side, and a second side. The base is configured to be secured to an electronic equipment enclosure and also has an aperture formed therein and a wall positioned adjacent to the aperture. The wall has a curved surface that extends from the top surface to the bottom. A first sidewall extends from the top surface along the first side and extends generally perpendicular to the top surface and substantially along the length of the first side. A second sidewall also extends from the top surface along the second side and extends generally perpendicular to the top surface and substantially along the length of the second side.

Abstract: A low voltage mounting device for installing low voltage components on a wall or ceiling. The low voltage mounting device includes a round frame member and a plurality of wings that are rotatable with respect to the frame member. The rotatable wings are fixed on the end of fasteners that extend through the frame member and are rotatable with respect thereto. An outward extending flange on the frame member enables flush mounting to the wall or ceiling surface. A low voltage component may be mounted directly to the frame member. The low voltage mounting device enables direct installation to the drywall and does not require mounting to a stud or other frame member.

Abstract: An electrical box assembly including a box having a base wall perimetrically bounded by a sidewall extending therefrom forming a housing adapted to receive an electrical component. The sidewall having an upper portion and a flange extending outwardly in a transverse direction from the upper portion. An electrical component attachment point is disposed adjacent the sidewall upper portion and adapted for securing an electrical component to the box. The flange is perimetrically bounded by a collar extending outwardly therefrom. A securement device disposed on the box for securing the box to a support structure is provided. A frame is further provided which is in telescopic engagement with the collar and movable relative thereto. The frame has an abutment surface for abutting against a facing surface. An adjustment device is provided for moving the frame relative to the box and urges the abutment surface against the facing surface.