Abstract: A rail accessory system includes a medial body to be attached to a wall, and a first arm extending transversely from the medial body and away from the wall, the first arm having an inner surface, and an outer surface opposite the inner surface. The rail accessory system also includes a second arm extending transversely from the medial body and away from the wall. The second arm has an inner surface facing the inner surface of the first arm, and an outer surface opposite the inner surface of the second arm. The inner surfaces of the first and second arms define a first different rail interface. The outer surfaces of the first and second arms define a second different rail interface.

Abstract: A cartridge module alignment and mounting system, apparatus and method for mounting of a plurality of removable modules where the modules can be densely packed within the apparatus and where physical alignment of the module is maintained during insertion and removal so that the modules are easily connected or disconnected to a printed circuit board. The system includes an alignment pin affixable to the printed circuit board, and a carrier attachable to an electronic device such as a data storage device. The carrier can include a pin bore configured to receive a portion of the alignment pin thereby removably connecting and aligning the electronic device to the printed circuit board so that a space is defined between adjacent electronic devices. The space allows airflow or fluid flow to pass therebetween increasing heat dissipation of the electronic devices and the printed circuit board.

Abstract: A wine cabinet includes a cabinet body, a cabinet door, at least one slide rail, at least one shelf, and a protective cover. The cabinet body is provided with a storage compartment. The at least one slide rail is disposed in the storage compartment. The slide rail includes a first slide sub-rail and a second slide sub-rail. The first slide sub-rail is disposed on the cabinet body. The second slide sub-rail is slidable with respect to the first slide sub-rail. The second slide sub-rail includes a main body and at least one fixing member. The at least one shelf is detachably connected with the fixing member, so as to slide along with the second slide sub-rail. The protective cover is detachably disposed at a connecting position between the shelf and the slide rail.

Abstract: An extendable hardware mount is disclosed. The mount includes a bracket and a rail system allowing the bracket to move between an extended position and a contracted position. The bracket may be detachable from the rail system. The bracket may include a securement system providing at least one securement location for equipment.

Abstract: A tool hanger is provided, including: a base, including first, second, third and fourth end portions, the first and second end portions being arranged in a first direction, the third and second end portions being arranged in a second direction; at least one first connection unit, including elastic clip portions and a clipped portion, one of the first and second end portions including the elastic clip portions and the other including the clipped portion, the elastic clip portions clipping a clipped portion of another base; and at least one second connection unit, including a projection and a concave portion, one of the projection and the concave portion being disposed on the third end portion and the other being disposed on the fourth end portion, the projection being configured to be engaged within a concave portion of the another base.

Abstract: A mounting rail is provided that includes a DIN rail and one or more heating cable channels. A channel defined by the DIN rail may include one of the heating cable channels. Heating cables may be installed in the heating cable channels using adhesive and/or heat transfer material to form an electronics heating module. The heating cables may be self-regulating heating cables. The mounting rail may include multiple heat transfer fins that transfer heat generated by the heating cables to environment surrounding the mounting rail. A terminal block may be mounted on the DIN rail and may supply electric power to the heating cables.

Abstract: A cordless tool holding apparatus is disclosed. The cordless tool holding apparatus comprises a rack having a first shelf and a second shelf configured to couple with each other via side walls. The second shelf comprises a plurality of extended portions. The cordless tool holding apparatus further comprises at least one snap-fit assembly coupled to at least one surface of each extended portion of the plurality of extended portions. The at least one snap-fit assembly comprises a body, at least one ramp coupled to the body and integrated on at least one side wall of the at least one snap-fit assembly, and at least one rib coupled to the body and integrated on the at least one side wall of the at least one snap-fit assembly. Further, the at least one snap-fit assembly is configured to detachably couple at least one cordless tool.

Abstract: An accessory attachment system includes a channel element arranged to receive one or more repositionable accessories. A pivotally mounted spring-based clasp with a hook element engages a lower lip of the channel element. Restraint cooperating elements such as protrusions or recesses of an accessory are configured to cooperate with laterally spaced accessory motion restraints such as recesses or protrusions of the channel element to inhibit lateral movement and rotation of an accessory body. An accessory including laterally spaced restraint cooperating elements and a pivotally mounted spring-biased clasp, as well as an attachment method, are further provided.

Abstract: Disclosed is a curved-surface television wall mount, including a wall panel (1) mounted on a wall surface, and two television mounting plates (2) disposed on the wall panel (1) for mounting a television. The curved-surface television wall mount further includes two supports (3) disposed on the wall panel (1), and the backs of the two television mounting plates (2) are respectively connected by hinges to the two supports (3). When a curved-surface television is mounted by using this structure, the front sides of the television mounting plates can fit to the back of the curved-surface television, thus avoiding deviation, instability or looseness when tightening a fastener, and successfully mounting the curved-surface television.

Abstract: A curtain track assembly includes a base, a plurality of tracks, and two slides. The base is provided with a plurality of slots. Each of the slots of the base includes a receiving section, two side openings, and a lower opening. The tracks extend through the slots of the base, and the base is secured on each of the tracks. Each of the tracks includes a receiving section, two side openings, and a lower opening. Each of the two slides is provided with a plurality of mounting portions slidably mounted on the tracks. Each of the mounting portions of each of the two slides includes a receiving section, at least one side opening, and a lower opening. Thus, the two slides are moved in two directions during the assembling process to expand or retract the curtain track assembly.

Abstract: A blade based cabinet system and method. A disclosed cabinetry system includes cabinetry system, comprising: a pair of mounting rails that are horizontally mountable to a wall; a set of blade assemblies, each having a substantially planar profile; and a mounting interface adapted to connect the set of blade assemblies to the pair of mounting rails, orthogonal to the wall to form a cabinet chassis.

Abstract: The invention relates to an LED lighting system, which comprises a power supply rail and a power supply input head connected to the power supply rail; The power input head comprises a fixing frame, a conducting contact positioned on the fixing frame and external wire connected with the conducting contact; The first conductive plate is arranged on the power supply rail, and the conductive contact of the power supply input head is in contact with the first conductive plate to realize the conduction of the power supply rail. Compared with the prior art, the LED lighting system provided by the invention has simple structure, diverse combination modes and better applicability.

Abstract: An adjustable cup holder assembly is provided. That adjustable cup holder assembly includes a support having a guide track and a drag bar. The adjustable cup holder also includes a cup holder having (a) a body including a well, (b) an actuator and (c) a drag. The cup holder may be displaced along the guide track and secured in various positions on the support by engaging the drag bar. A motor vehicle door including a cup holder with an adjustment mechanism for displacing the cup holder along the body of the door between multiple positions is also disclosed.

Abstract: The invention relates to a support structure for an article. In particular, the invention relates to a support structure for mounting modular articles such as display units and the like upon a wall. The support structure comprises a support bracket (1), the support bracket having at least one opening (15), the opening being sized to accommodate a fixing (4) by which the support bracket may be secured to a wall (3), the opening being larger than the fixing whereby the position of the support bracket (1) may be adjusted relative to the fixing (4). The support structure also comprises a support element (2), the support element having a dimension (d) which is larger than the opening (15), the support element having a fixing hole (14) therethrough, the distance between the fixing hole (14) and the periphery of the support element (2) being non-uniform. The support bracket (1) has a support surface (12) adapted for engagement by the periphery of the support element (2).

Abstract: An electrified bus bar assembly is provided. The electrified bus bar assembly includes a track and one or more take-away adaptors that each are capable of acting as a power source to one or more display components. Each take away adaptor is mountable to the track via an electrical and mechanical connection.

Abstract: A storage device comprising an extendable center piece slidingly-attached to one or more supports, the center piece including a slot that runs vertically through the center piece for at least a portion of a length of the center piece and providing a surface to support at least one hook, wherein the hook is disposed in the slot formed in the center piece and the hook extends through the slot and below the bottom surface of the center-piece, each hook providing an interface for hanging and storing an item within a cabinet or other suitable storage space.

Abstract: A modular wall-chase system relating to the routing of mechanical elements (plumbing, electrical, data, etc.) within the interior of a new, or already built, structure and particularly relating to the interior of a kidney-dialysis treatment facility.

Abstract: A controlled stress slatwall hanger. The slatwall hanger is attached to the slatwall by sandwiching at least one vertical face of a slat between a cover and a clamping member. The cover includes at least one outer lip residing against the front of the vertical face and the clamping member includes at least one inner lip residing against the rear of the vertical face. The clamping member is biased away from the cover by a spring to facilitate insertion of the inner lips between open spaces between consecutive slats. Screws connect the clamping member to the cover and are tightened to grasp the vertical slat face between the lips.

Abstract: The present invention relates to a dishwasher (1) that comprises a body (2), a door (3) allowing access into the body (2), at least two hangers (4) secured oppositely on the ceiling (T) of the body (2), at least two rails (5) each secured to the hangers (4) and at least one drawer (6) installed to the rails (5) from the opposite sides to be movable thereon, wherein the items to be washed are emplaced.

Abstract: A tool hanger has a rail and multiple hanging blocks. The rail is an elongated bar and has at least one hole. The hanging blocks are mounted slidably on the rail and are adjustable in distances between the hanging blocks on the rail. Each hanging block has a hanging body, an arm, a hook and an escaping recess. The hanging body has a sliding slot being slidably mounted on the rail. The arm protrudes from the hanging body and has a cylinder. The hook is attached to the arm. The hook is attached to the arm. The escaping recess is formed in the bottom surface at the free end of the hook to form an escaping segment on the free end of the hook and having a depth smaller than that of a segment of the hook opposite to the free end.

Abstract: Provided is a wall assembly for goods display constituted by horizontal tracks fixed to a wall body and disposed in a lateral direction at equal intervals, vertical posts disposed on the horizontal tracks and disposed in a vertical direction at equal intervals, an interval adjustment unit configured to couple the vertical post with respect to the horizontal track to adjust an interval, an insert member inserted into the vertical post in the vertical direction, and an outer panel coupled to the vertical post. Accordingly, even when flatness of the wall body is bad, the wall assembly can be instructed and the flatness of the panel after construction can be appropriately maintained so that an appearance of a wall surface can be excellently finished. In addition, since removal and exchange of only a damaged panel are easy when the outer panel is damaged, construction and exchange can be easily performed.

Abstract: A folded slatwall insert is provided. A slatwall cover is illustrated anchored to a typical slatwall and covering at least one slat of the slatwall. A folded slatwall insert as disclosed prevents surface damage to a typical slatwall, allows for rapid and cost effective customization of the aesthetics of the slatwall, and can be used to mount custom graphics to the slatwall.

Abstract: A combination is disclosed. In at least one embodiment, the combination includes a suspension bar, a tool holder adapted for attachment to the suspension bar, a hook device for suspending an object and a fastening device which enables the hook device to be releasably attached to the suspension bar. In at least one embodiment, the fastening device includes a first and a second portion for retaining engagement with the web of the suspension bar and its respective flanges. The first portion forms the upper portion of the fastening device, when mounted, to which portion the hook device is fixedly attached either directly or indirectly. The second portion of the fastening device is pivotally attached to the first portion by way of a joint, which, with the tool holder in its mounted state, is oriented parallel with and located between the flanges of the suspension bar.

Abstract: The present invention concerns a wall mounted storing construction or system that could hold a number of storing means. The storing means used may be shelves, hangers for different clothes, such as trousers or coats, shoe holders, rods etc. or for different combinations of these storing means. The storing system comprises uprights (1) and brackets (3), wherein the brackets (3) are mounted in the uprights (1). The brackets (3) are to receive the storing means, such as shelves (15). Each bracket (3) has a general u-from with an upper part and two walls, having ears (10) to be received in openings (22) of the uprights (1). The walls of brackets (3) are pressed together in the area of the ears (10) to allow the ears (10) of the brackets (3) to be pushed into the uprights (1). The uprights (1) are fixed to the wall. The upper end of each upright (1) is mounted on a horizontal assembly rail (2), being fixed to the wall.

Abstract: An apparatus and system are disclosed for supporting a ski on a support structure. The apparatus includes a ski support member, a spacer, and a coupling element. The ski support member includes a ski engaging portion and a binder engaging portion. The binder engaging portion is positionable within a receiving space in a binder toe piece. The ski engaging portion includes a substantially flat surface engageable with one of a deck surface of the ski and an element disposed on the deck surface of the ski to maintain the ski in a desirable orientation. The spacer is positioned between the ski support member and a the support structure. The coupling element is configured to couple the ski support member to the support structure.

Abstract: A shelf upright extension kit with an elongated bottom extension rail with a transversely extending keyway and first and second extension panels. The extension panels each define a plane having first and second major surfaces, a pair of opposed ends and a pair of opposed edges. Each extension panel is fitted with a key configured and arranged for cooperatively engaging the keyway in the extension rail. The key extends within the plane of the extension panel proximate and parallel with a same edge. Included in the extension panel is a notch in a corner opposed to the key within the plane of the extension panel to allow the top end to fit flush with a bottom end of a side panel and the rear edge of the extension panel to fit flush with a wall.

Abstract: A support beam for a pet furniture includes a plurality of back plates, first hooks, second hooks and third hooks. Upper end and lower end of the back plate are formed with an insertion slot and a protrusion respectively. One side of the back plate is formed with a plurality of engaging troughs for allowing the first hooks and the third hooks to be disposed therein. The third hook is engaged with the first hook. By this structure, a shelf plate, a cat house and a cat ladder can be mounted onto the back plate by means of the engagement between the second hook and the third hook. Then, the back plate is fixed to a wall. In this way, the support beam for a pet furniture is obtained.

Abstract: Wall mounting assemblies and methods are disclosed. The assembly includes a bracket that has two frame members coupled at a hinge. Each frame member has a hook for engaging a recess or slot on a panel. The assembly further includes a panel that has edges that are configured to engage the edges of adjacent panels, without the need for tilting the panel to engage. Each panel has two slots for receiving the bracket. Bending the two frame members on the bracket causes the bracket's hooks to lock into the slots on the panel.

Abstract: A display fixture includes a support assembly mounted to a pair of uprights on a display unit and has a pair of arms having upper surfaces that directly attach to the uprights and a crossbar extending between proximal ends of the pair of arms. The upper surfaces are oriented at a first angle from the uprights. The display fixture also includes at least one loose item display assembly mounted to the crossbar and includes a collar and a mounting bracket. The collar has an inner diameter that defines a central opening for receiving a container. The mounting bracket is fixedly attached to a back of the collar at a proximal end and removably coupled to the crossbar of the support assembly with a distal clip. An upper surface of the collar is oriented at a second angle relative to upper surfaces of the pair of arms of the support assembly.

Abstract: Wall mounting assemblies and methods are disclosed. The assembly includes a bracket that has two frame members coupled at a hinge. Each frame member has a hook for engaging a recess or slot on a panel. The assembly further includes a panel that has edges that are configured to engage the edges of adjacent panels, without the need for tilting the panel to engage. Each panel has two slots for receiving the bracket. Bending the two frame members on the bracket causes the bracket's hooks to lock into the slots on the panel.

Abstract: The mounting system may be used to support a display on a support surface. The mounting system may include a top rail secured to the support surface. The mounting system may also include a mounting arm hung from the top rail and a support rail attached to the mounting arm that supports the whiteboard. The mounting system may provide permanent or removable attachment to the support surface that may interchangeably accommodate a variety of displays.

Abstract: A sleeve bracket assembly has a frame, multiple first sleeve mounts and multiple second sleeve mounts. The frame has a first bracket and a second bracket connected with the first bracket. The first sleeve mounts are mounted on the first bracket and the second sleeve mounts are mounted on the second bracket. Accordingly, the sleeve bracket assembly can display different sets of sleeves at the same time and no additional sleeve bracket assembly is required. A user does not have to purchase a new sleeve bracket assembly and carrying one sleeve bracket assembly is convenient.

Abstract: A sleeve bracket assembly has a frame and multiple first sleeve mounts. The frame has a first sleeve track having a groove. Each first sleeve mount has a base and a hollow positioning button protruding from a top surface of the base and having a retractable protrusion or a flange. The cross section of the base or the positioning button of each first sleeve mount is round, so sleeves can be rotated. The protrusions and the flanges can securely position the sleeves. Accordingly, the sleeve bracket assembly can position the sleeves firmly and also allow the sleeves to be rotated.

Abstract: A wall mounted storage system has a track, a plurality of vertical panels, a plurality of plugs and a plurality of shelves. The track is mounted to a wall for supporting the vertical panels. The shelves and panels form compartments. Each vertical panel has a cut out which matches the configuration of the track. The cut out has a front radiused section and a rear flat section. The track has a corresponding front radiused edge and rear seat. The cut out mates with the track at the radiused and flat sections. An opening is provided between the bottom of the track and the bottom of the cut out. The plug fits within this opening to prevent the vertical panel from separating from the track after the panel is attached to the track. The front bottom edges of the vertical panels are protected by bottom protectors.

Abstract: A foldable container or holder that is foldable from a first flat planar shipping and storing configuration to a second erected generally rectangular configuration having an open top end for storing or holding items. The container or holder is formed from a flat planar blank of stiff material which is die cut, scored and slotted in a pattern which, when folded, forms a generally rectangular container or holder with a suspending tab for hanging or suspending the container r holder on a horizontal support track.

Abstract: A combination is disclosed. In at least one embodiment, the combination includes a suspension bar, a tool holder adapted for attachment to the suspension bar, a hook device for suspending an object and a fastening device which enables the hook device to be releasably attached to the suspension bar. In at least one embodiment, the fastening device includes a first and a second portion for retaining engagement with the web of the suspension bar and its respective flanges. The first portion forms the upper portion of the fastening device, when mounted, to which portion the hook device is fixedly attached either directly or indirectly. The second portion of the fastening device is pivotally attached to the first portion by way of a joint, which, with the tool holder in its mounted state, is oriented parallel with and located between the flanges of the suspension bar.

Abstract: The present invention is a wall shelf support assembly. The wall shelf support assembly includes first and second transversely elongated rails each with a transversely extending keyway and first and second side panels each defining a plane. The opposing side panels each have first and second major surfaces, a pair of opposed ends and a pair of opposed edges. Each panel is fitted with first and second keys configured and arranged for cooperatively engaging the keyways in the first and second rails respectfully. The keys extend within the plane of the side panel in opposite directions from opposed ends proximate to and parallel with a same edge.

Abstract: An apparatus includes a display structure that supports products in a display area within reach of a customer location. The apparatus further includes a panel structure supported for movement along upper and lower tracks. The panel structure has a transparent viewing section and indicia relating to the products, but is not configured to support any products itself. The panel structure also has horizontally opposite side edges spaced apart at a width that is less than the width of the display area. A frame structure supports the upper and lower tracks at locations that provide the panel structure with a path of movement interposed between the customer location and the display area. The path of movement includes positions in which the display area can be reached from the customer location past either of the opposite side edges of the panel structure.

Abstract: In certain embodiments of the present disclosure, a cabinet is provided. The cabinet includes a plurality of drawer slide receiving modules and a plurality of hanging drawer slides, each hanging drawer slide coupled to one of the plurality of drawer slide receiving modules, and each hanging drawer slide includes a plurality of hooks of a first type. At least one of the hanging drawer slides is configured to be withdrawn from the cabinet laterally along a longest axis of the hanging drawer slide. The plurality of drawer slide receiving modules are configured to be removably coupled to the cabinet in a plurality of different configurations. Methods and configuration systems are also provided.

Abstract: A slatwall panel comprises a backboard and a slatwall channel attached to the backboard. The slatwall channel includes a longitudinal horizontal slot, and opposing longitudinal first and second grooves parallel to the slot. First and second substrates include edge portions disposed in the first and second grooves, respectively. The slot includes a rear wall, a bottom wall and a top wall forming a U-shaped groove. The bottom wall is slanted downwardly toward the rear wall; and the U-shaped groove is configured to receive a shelf wherein the top wall provides a stop to a top rear portion of the shelf and a front portion of the bottom wall provides support to a bottom rear portion of the shelf.

Abstract: A method of displaying consumer electronic devices comprises supporting a plurality of rails on a frame in a generally parallel, spaced relationship and configuring each rail for slidable movement relative to the frame in a direction generally perpendicular to a longitudinal axis of each rail. A first row of display units is supported between a first adjacent pair of the rails and a second row of display units between a second adjacent pair of the rails, with each display unit comprising at least one of a device support unit and a plate. The plurality of display units are reconfigurable by exchanging the display units between different lateral positions within at least one of the first and second rows of display units and/or by exchanging at least one display unit between the first row and the second row of display units.

Abstract: A tool hanger assembly has a frame and a hanger. The frame has a back plate and a bracket. The bracket is mounted securely on the back plate and has a track formed in a top of the bracket. The hanger is mounted securely on the frame and has a base plate and multiple pillars. The base plate is inserted securely in the track. The pillars are securely mounted on the base plate at intervals to allow sleeves to be mounted around. Accordingly, to assemble the hanger having the multiple pillars with the frame is quick, reduces assembling cost and is convenient.

Abstract: A screwdriver hanging assembly has a main frame and two connecting devices. The main frame has two track grooves formed in the main frame and parallel to each other. The connecting devices are respectively connected with the track grooves. Each connecting device has multiple brackets for holding multiple screwdrivers. Because combining the connecting devices having the multiple brackets with the main frame is easy, to assemble the connecting devices with the main frame is quick, reduces manufacturing cost and is convenient for holding multiple screwdrivers.

Abstract: A display for a shelving unit of the type having a bay defined in part by lower and upper horizontal supports that comprises a first rail mounted on the lower horizontal support and a second rail mounted on the upper horizontal support. A body is disposed between the first and second rails. The body is in free moving contact with the first rail and the second rail such that the body is freely movable along the length of the rails. The body supports a user interface device. The display of the invention may be used where the user interface controls the functions of a co-located machine.

Abstract: A caddy for use in bathrooms is disclosed. The caddy can include removable shelf assemblies and/or accessory units for holding common household items. The removable shelf accessories can include knobs which can be turned to secure and free the shelf assemblies from a support member of the caddy. The accessory units can snap into place on the support member. The support member can include a telescoping section and biasing element which permits the caddy to adjust to different sized bathrooms. A sliding member can be incorporated to provide additional areas for attachment of shelf assemblies or accessory units.

Abstract: A wall lining is described, comprising wall panels (1) and holding profiles (2) which respectively comprise a downwardly open receiving groove (4) for a bottom wall panel (1), an upwardly open receiving groove (3) for an upper wall panel (1) and a suspension groove (5) for fixing hooks between the two receiving grooves (3, 4). In order to enable the insertion of wall panels (1) of different thickness it is proposed that the two receiving grooves (3, 4) of the holding profiles (2) which can be fixed to the wall, which grooves form a stop surface (9) for the outside of the wall panels (1) on the side facing away from the wall (6), form at least two sections (11) in the direction of the groove depth with different widths for holding wall panels (1) of different thickness.

Abstract: A system includes a panel, a holder removably connected to the panel. The holder includes at least one connecting portion. A removable slide hanger has a first portion rotatably connected to the panel and slidably connected to a frame. Content placed in the holder is viewable.

Abstract: A track assembly for a shelving system is disclosed that includes at least two tracks. The tracks are configured to slide relative to each other in an overlapping manner. Each track has one or more fastener holes along a longitudinal length of the track and one or more portions protruding outwardly from the track. The one or more protruding portions defining one or more recessed portions on an opposite side of the track, such that at least one protruding portion of one track is configured to be slidably engageable within at least one recessed portion of the other track when the corresponding overlapping fastener holes are aligned. The slidable engagement of the one or more protruding portions of one track within the one or more recessed portions of the other track may thus indicate that the tracks have been slidably positioned relative to each other with their overlapping fastener holes aligned.

Abstract: A modular mounting system for institutional or classroom furniture or fixtures includes mounting rails that are attached to a wall surface in a horizontal orientation and that are vertically spaced. The mounting rails have a flat wall-mounting portion, with upper and lower T-shaped sections projecting therefrom, forming upper and lower U-channels and a central C-channel. The wall-mounting portion has a lower chamfered edge. Sections of mounting rail are aligned by a spline inserted into the C-channel. The system is infinitely adaptable to a wide range of changing uses for the classroom, with each element of the modular classroom furniture easily mounted to or removed from the mounting rail with only a screwdriver. The selectable elements include a flat panel accessory that rides between the upper and lower mounting rails, an accessory tray, and vertical rail members and casegoods in various configurations that attach to one or both rails.

Abstract: A cargo bed of a utility vehicle includes an extruded wall panel with an integrally-formed track and an attachment assembly that can be positioned on the track and secured without the use of tools. The attachment assembly includes a first piece that is inserted into the track and a second piece that abuts an outer surface of the track. The attachment assembly also includes a clamping mechanism that draws the first and second pieces together to clamp a portion of the track between them. The attachment assembly may include a spring that biases the first and second pieces together, such that insertion of the first piece into the track includes a push-and-twist action to overcome the spring bias, properly insert the first piece through a slot, and locate the first piece within the track.