Abstract: A trench shield securement device, comprising: a retention pin; and a retainer plate; wherein the retainer plate comprises an opening that is configured to surround and engage a trench shield top box pipe socket and a trench shield base box pipe socket that have been aligned and stacked; and wherein, after the retainer plate is engaged with said aligned and stacked pipe sockets, the retention pin is configured to be inserted into a center opening of the top box pipe socket and into a center opening of the base box pipe socket, such that said retainer plate is held substantially in place.

Abstract: An outrigger device that is mounted on a vehicle and can switch between a usage state and a storage state includes: a lateral outrigger that extends in a vehicle width direction of the vehicle; a vertical outrigger that is extendable and is rotatably coupled to a leading end portion of the lateral outrigger; a first coupling member that constantly couples a first part of the vertical outrigger to the lateral outrigger and serves as a rotational center of the vertical outrigger; a second coupling member that can switch between a first state where a second part of the vertical outrigger is coupled to the lateral outrigger and a second state where the second part is uncoupled from the lateral outrigger; a conversion mechanism that converts a retraction of the vertical outrigger into an upward rotation of the vertical outrigger; and a safety device that prohibits an operation of the conversion mechanism in the first state and permits the operation of the conversion mechanism in the second state.

Abstract: The present load support apparatus comprises an object support apparatus 10 includes a regulating device 60 that regulates movement of a support frame unit 13 with respect to a fixed frame unit 12. The regulating device includes a fixed-side slit 62 that is formed at a side frame 18, 19 of the fixed frame unit, a movable-side slit 63 that is formed at a guide frame 28, 29 of the support frame unit, and a regulating member 61 that is inserted through the slits. The regulating member is engaged with a movable-side engaging portion 71 at the movable-side slit and a fixed-side engaging portion 72 at the fixed-side slit and the regulating member is locked between the fixed-side engaging portion and the movable-side engaging portion.

Abstract: The stair-climbing hand truck is an improved hand truck that includes a back plate with a plurality of secondary wheels that may be used to roll the hand truck along a floor surface or up or down a flight of stairs. The back plate is rigidly affixed to the vertical frame of the hand truck. Moreover, the back plate is acutely oriented behind the vertical frame. The back plate has at least one wheel on opposing sides, which adaptively interact with a ground surface to roll the entire assembly. The vertical frame and the back plate are supported with primary wheels that are located adjacent to where the vertical frame meets a load plate. The primary wheels have a diameter larger than the wheels of the back plate.

Abstract: Ladders, ladder components and related methods are provided. In some embodiments, adjustable stepladders are provided which include locking mechanisms that enable height adjustment of the ladder through application of a force towards the rails of the ladder. In other embodiments, spreader mechanisms are provided with cross bracing located and configured to provide additional stability to the ladder while also incorporating a handle that enables efficient collapsing of the ladder while reducing the potential of pinching ones hands or fingers. In another embodiment, a device is provided for selective coupling with the ladder that includes a support or safety rail and an adjustable tray. The device may be coupled with the ladder in a number of different positions including a stowed position. In another embodiment, a hinge assembly is provided having a magnetic component configured to be magnetically coupled with and temporarily store an object on the ladder.

Abstract: Stand assembly includes base and first and second stand units. The first stand unit includes first body and extending portion. The first body has first and second ends and first shaft. The extending portion connects the first body and has first shaft hole having first hole portion and second hole portion communicated with each other. The first shaft is pivotally connected to the base. The second stand unit includes second body having third end and second shaft. The second shaft is pivotally connected to the first or second hole portion, selectively. When the second shaft is pivotally connected to the first hole portion, the third end abuts against the second end. When the second shaft is pivotally connected to the second hole portion, the third end leaves the second end, so the second stand unit can rotating relative to the first stand unit.

Abstract: A L-shaped bracket having aligned vertical and horizontal slots is mounted on a telescopic stand. A frame member is positioned on a horizontal support plate of the bracket. A bearing plate extends vertically from the support plate. The support plate includes spaced apart open ended slots aligned beneath elongated vertically extending slots in the bearing plate. A J-bolt having a cap at one end and a threaded portion at an opposite end extends through the aligned slots to a position where the cap abuts the bearing plate and the threaded end portion extends down through the slot in the support plate. A bell nut is tightened on the threaded end of the bolt to draw the bolt into clamping engagement with the frame where the bolt is adjustable along the length of the vertical slot in the bearing plate to receive frames of a variable range of height.

Abstract: A bracket secured to a vehicle body is firmly attached to an electrical junction box without causing any loosening. The electrical junction box includes a bracket securing section provided integrally on a casing outer surface and a bracket made of a resin molding material fixed on the bracket securing section by a bolt and a nut. Bolt holes are provided in the bracket securing section and the bracket, respectively. Positioning pins project near the bolt hole in one of the bracket securing section or the bracket. The positioning holes are provided in the other of the bracket securing and the section or bracket to receive the positioning pins. After the positioning pins are fitted in the positioning holes to position and hold the bracket on the bracket securing section, a bolt is inserted into the corresponding bolt holes and is fastened by a nut.

Abstract: A plate carrier for mounting at the upper end of the upper element of the central pole of a “plate hoist” device or the like comprises at least one longitudinal central body having two substantially rectangular plates separated by three longitudinal walls forming at least two central sheaths. Each central sheath accommodates a generally T-shaped transverse arm which includes a longitudinal median branch slidably mounted in a sheath and a transverse tubular part welded to the free end of the median branch. The transverse tubular part extends substantially in the plane of the central body.

Abstract: A plate carrier for mounting at the upper end of the upper element of a central pole of a plate hoist device includes at least one longitudinal central body formed by two substantially rectangular plates separated by three longitudinal walls forming two central sheaths and two peripheral grooves. Each central sheath accommodates a generally T-shaped transverse arm which includes a longitudinal median branch slidably mounted in a sheath and a transverse tubular part welded to a free end of the median branch. The transverse tubular part extending substantially in a plane of the central body.

Abstract: A jack for stabilizing a semi-truck trailer with improved maneuverability that can be coupled to a trailer kingpin without a need for the user to crawl or crouch under the trailer floor.

Abstract: A form support bracket system allows building concrete forms for soffit and stem wall construction using a single whaler backed vertical stem wall form. The bracket system allows for adjustable height of the soffit, and adjustable thickness of the stem wall.

Abstract: A hands-free support device and method for supporting an airflow hood relative to an airflow register is disclosed. The apparatus comprises a support device operably attached to the airflow hood and configured to support the airflow hood relative to a first surface proximate the register. The support device is configured to engage a second surface spaced away from the first surface.

Abstract: The present disclosure could generally provide a system for use with a furniture or desk assembly having an extendible leg assembly and retaining system. In one embodiment, the system could be easily and safely adjustable, while maintaining a particular height and overall structural integrity of a furniture or desk system to, for example, withstand considerable weight and pressure exerted thereto.

Abstract: An off-road motorcycle stand is selectively adjustable between vertically-aligned and vertically-offset positions such that a user can drive a variety of motorcycles to the stand, lean the motorcycle onto the top plate and quickly park the motorcycle. Such a motorcycle stand preferably includes a base, a first support member connected to the base, and a second support member statically attached to the first support member such that the second support member is capable of engaging a portion of an existing motorcycle thereon. In this manner, the first support member may be selectively pivotal between vertically-aligned and vertically-offset positions relative to a centrally registered longitudinal axis of the base.

Abstract: A shelf system is shown and described. A post has an aperture. A pin is configured to extend through that aperture. The pin has a head having a first circumference and a body having a second circumference. A collar is configured to encircle the post and rest on the pin head and body. In operation the collar, and any associated shelf, is able to rotate smoothly and stably around the post.

Abstract: A method for stabilizing a vehicle in an unstable condition includes the steps of placing one or more beam-like structures at the floor pan or vehicle undercarriage of a damaged vehicle resting on its roof, side, or in an upright or other position, aligning the beam-like structure substantially parallel with the length of the vehicle, and securing the beam-like structure to the vehicle at one or more points, using hooks, straps, chains, or a similar securing mechanism.

Abstract: A rack feeds sticks of pipe to a machine for serial fusion to the trailing end of a pipeline. Multiple independent spaced apart feeders support transverse bundles of sticks of pipe on beams. Legs which support the beams above the ground have jacks to vary the height and slope of the beams. The slope is set so that sticks tend to roll toward the lower front end of the beam where roller assemblies receive the sticks of pipe as they are manually rolled, one at a time, off the beams. All of the rack components are modular and interchangeably connectable so that the feeder can be quickly adapted for a variety of conditions and applications.

Abstract: A wheel support assembly is mounted to a pivotable system spanning an opening, with the pivotable system mounted to one side of the opening at a pivotable connection and to another side of the opening at a removable connection. The support assembly is disposed proximate the removable connection and spaced apart from the pivotable connection, and has a wheel positioned and oriented to support the pivotable system weight that would otherwise be cantilevered as the pivotable system rotates about the pivotable support. The wheel support assembly may include a vertically adjustable wheel that may be adjusted to remain just out of contact with the support surface when the pivotable assembly is connected to both the pivotable and the removable connections.

Abstract: A ladder support device for securing a ladder to a vehicle is described having a hitch tube suitable for being received by a receiver hitch of a vehicle. A pair of side plates are attached to the hitch tube wherein each side plate of the side plates comprises a pivot void and an upper void wherein each pivot void is arranged to align with a first hollow ladder rung of a ladder and each upper void is arranged to align with a second hollow ladder rung of the ladder. A first rod is provided which is adapted for inserting in each pivot void and the first hollow ladder rung with the first hollow ladder rung between the side plates. A second rod is provided adapted for inserting in each upper void and the second hollow ladder rung.

Abstract: A supporting assembly is mounted on an electronic product to adjust visual angles of the electronic product, and includes a fixed member, a movable member, a pair of flexible members and an adjusting member. The extending segment defines a plurality of recess portions spaced from each other. The adjusting member includes a pair of latching ends on two ends of the adjusting member to be opposite to the recess portions. A distance between the movable member and the fixed member can be adjusted by controlling the adjusting member to urge the pair of latching ends selectively engaging with the recess portions, so as to adjust visual angles of the electronic product.

Abstract: An apparatus for securing a protective panel over a window includes at least one telescoping retainer bar that is tightly fixed within a window frame, adjacent the panel. Spring-biased locking buttons removably seat within one or more longitudinally-disposed apertures to fix the retainer bar at a desired length. At each end of the bar is a resilient pad that firmly engages one of two opposing sides of a window or door frame. One of the pads is movable relative to the bar to further tighten the bar within the frame once the telescoping bar has been extended as far as possible. The pad at the opposing end includes a biasing means for further anchoring the bar within the frame.

Abstract: The collapsible work piece support apparatus provides vertical workpiece support of cabinets drywall and other objects needing support prior to and during installation and removal. The apparatus provides adjustable height in supporting the workpiece by way of the telescoping legs. Horizontal support of the workpiece is provided by virtue of the stabilizing blocks that are hingedly stored within cutouts in the horizontal members. Importantly, the apparatus is collapsible and thereby easily transported and stored. The basic design and structure of the apparatus contributes to ease of use. The overall design and structural integrity, as well as basic structure, easily provide for a single worker to support needed workpieces.

Abstract: A shoring post having first and second post parts that cooperatively define a variable effective length, a quick release assembly, and a movable pin that in an operative position limits movement of the first post part in one lengthwise direction relative to the second post part. The quick release assembly has: a) at least a first surface against which the pin bears with the pin and quick release assembly in a first operative relationship; and b) at least a second surface against which the pin bears with the pin and quick release assembly in a second operative relationship. The shoring post further has at least one repositionable member that is changeable selectively between: a) a locked state to prevent the pin and quick release assembly from changing from the first operative relationship into the second operative relationship; and b) a released state.

Abstract: A multi-configurable furniture assembly including height adjustable legs, a height adjustable pedestal support structure, a variable height foot support for cabinets and shelves and a panel wall assembly where each of the separate assemblies have finished and high quality appearances after a configuration is constructed.

Abstract: A modular shoring assembly is described. Also described is a length-adjustable support for use with said modular shoring assembly which allows for the height of the shoring assembly to be quickly modified. Also described is a support frame and support panel system as well as a support beam.

Abstract: A display including a base, a panel and a regulating device is disclosed. The regulating device disposed between the base and the panel comprises a first element and a second element. The first element comprises a first positioning region. The second element connected to the panel and disposed on the first element to be movably switched between a first position and a second position, comprises a second positioning region detachably disposed in the first positioning region of the first element. When the second element is positioned in the first position, the second positioning region of the second element is positioned in the first positioning region of the first element; when the second element is moved to the second position from the first position, the second positioning region of the second element is positioned in the first positioning region of the first element, wherein a distance is formed between the first and second positions.

Abstract: A lightweight hand-removable backstop structure is provided, the backstop structure having: a backstop support; and an elongated substantially rigid structure arranged to be removably installed upon and rigidly supported in position by the backstop support, the elongated substantially rigid structure having first, second and third elongated sections, with first and third sections being generally vertically arranged, and the second section being generally horizontally arranged, the first section being configured to be hand-mounted upon and mechanically supported by the backstop support; the second section being disposed between and operatively rigidly interconnecting the first and third sections, the third section having at least one substantially flat large surface portion arranged to have a generally vertical orientation, the backstop structure being of sufficient length in a horizontal direction such that all of the third section and at least a portion of the second section extend over at least part of a pa

Abstract: The present invention relates to a trailer safety stand for temporarily supporting a conventional trailer having a landing gear, wherein the stand comprises a pedestal having a top for engaging the underside of the nose portion of a trailer and a bottom for engaging the ground; means for adjusting the height of the pedestal; a locking device for fixing the height of the pedestal; and means for actuating and de-actuating the locking device. In one embodiment of the present invention, the means for actuating and de-actuating the locking device is a lever that is pivotally connected to the pedestal at a first point along the lever and connected to the locking device at a second point along the lever. When a force is applied away from the pedestal at a third point along the lever, the locking device is actuated and the height of the pedestal is fixed. When a force is applied toward the pedestal at the third point along the lever, the locking device is de-actuated and the height of the pedestal is adjustable.

Abstract: This invention relates to an adjustable brace 1 for supporting a building member 6 relative to a foundation 8. The invention also relates to a foot 4 and an elongate member 2, 3 both forming part of the brace 1. The invention provides a relatively lightweight brace 1 particularly suited for temporarily bracing a concrete panel 6 at an angle relative to a foundation 8.

Abstract: An adjustable spreader bar of a trench box has male and female telescoping pipes. The male telescoping pipe has a plurality of indexed openings, and the female telescoping pipe has an outer threaded portion with a groove to receive a locking pin. A sleeve is threadably attached to the outer threaded portion of the female telescoping pipe, and the sleeve has a sleeve opening and an inside channel for receiving the locking pin therethrough, so that fine adjustments, in the relationship between opposing panels of the trench box, can be made by rotating the sleeve about the threaded portion of the female pipe for extension or retraction of the male pipe, by forcing the locking pin along the groove.

Abstract: A stabilization and support strut for use in rescue operations in buildings, trenches, vehicle accidents, and the like has secure deployment features including first and second inter-fitting collar assemblies, the first collar assembly including a first collar, circumferentially based spring-biased piston-retaining pins mounted in the collar for fitting into orifices in a piston body, and a locking pin for precluding rotation and axial movement of the first collar on the strut; and the second collar assembly including a second collar rotatingly secured on the barrel with a portion of the second collar underlying the first and having a circumferentially inclined ratchet surface for snugly engaging the piston-retaining pins upon rotation of the second collar, the second collar further including rotatable studs for engaging the barrel and precluding rotation of the second collar about the barrel when snug against the piston-retaining pins.

Abstract: A method of assembling a metal shore post of a concrete forming assembly is disclosed. An outer telescoping tube is provided that has a main section with a first inside diameter and top portion with a section having a second inside diameter reduced relative to the first inside diameter of the outer tube. An inner telescoping tube is inserted for telescopic movement inside the outer tube. After assembly, a pair of pistons are inserted through access holes in the outer tube to provide a crushing force to the inner tube deforming it to create a region of increased diameter that is greater than that of the reduced diameter section but not so large as to prevent telescopic movement of the inner tube inside the outer tube. The increased dimension region thereby prevents accidental separation of the inner tube from the assembly, thereby improving safety and efficiency. Openings are provided in the inner tube in the region being crushed in order to control the region of deformation.

Abstract: The invention is a window safety harness which can be clamped to the frame of a window and which provides a solid anchor point for a person working around the window. The device includes a bar for placement inside the window, a bar for placement outside the window, and a connecting piece which holds the bars in rigid, spaced apart relation to each other. Each end of both the inside and the outside bar have contact pads which are configured to contact the window frame. They also include a tightening mechanism which tightens the contact pads against the window frame and secures the device in the window frame. An anchor point allows a worker to attach himself to the anchor point for work outside the window, or to anchor a line to the window frame.

Abstract: An adjusting device with a diminutive adjustment has an inner tube, an outer tube, an adjusting seat, and a diminutive positioning assembly. The inner tube is movably mounted in the outer tube. The outer tube has a through hole. The adjusting seat is mounted on the outer tube and covers the through hole of the outer tube and has a recess. The diminutive positioning assembly is mounted in the recess of the adjusting seat and has an operating tab. It is convenient and safe to operate the operating tab to diminutively position tan armrest the support or the like of a chair or an exercise machine.

Abstract: A clamp for a construction strut that allows a pipe to be clamped to the construction strut in which the clamp has a fastener that is not exposed above the clamp curvature and in which the fastener head is easily accessible. Also the clamp has a retaining tab and a neck portion such that it can be installed either on the open side of the construction strut or on the closed side using slots in the closed side by straight-in passing the retaining tab past the inturned flanges on the top of the construction strut.

Abstract: A support post and safety fence assembly in which the post has a telescoping inner and outer tube and is supported on a threaded internal shaft coupled to a floor engaging end and ceiling engaging end preferably formed with claws that have a number of sharp penetrating points for firm engagement with a support surface. In one embodiment, a gravity lock assembly is provided for fixing the relative position of the inner and outer tubes. Dynamic adjustability of the support post is provided by internal compression springs.

Abstract: The invention comprises two adjustable T-Bars attached to any common drywall scaffold. A single person can place a sheet of drywall or any sheet building material onto the T-Bars and by pulling a spring loaded pin and lifting one side, and then the other, raise the material to the ceiling and the bars will hold it in place ready to install.

Abstract: The Back Jack is an upper body support to be used when a person is working on their hands and knees. The Back Jack has a base with a chest pad on one side and a support rod pivotally mounted on the other side. The chest pad is made of a high quality or memory foam and covered with a vinyl material. The support rod pivot joint can be locked in a working position perpendicular to the base, a transport position parallel to the base, and one or more intermediate positions. The support rod is made of telescoping sections to accommodate workers of different heights. The telescoping sections are adjusted by a spring pin fixed to an inner shaft which fits through holes in an outer shaft. A pivoting rubber foot is mounted to the bottom of the inner shaft.

Abstract: An outrigger is provided. The outrigger includes an arm including a receiving portion, an arm-strapping yoke pivotally coupled to the receiving portion of the arm, and at least one securing pin received in the arm-strapping yoke. The arm-strapping yoke has at least one engaging edge. The at least one securing pin is configured to force the at least one engaging edge of the arm-strapping yoke into a surface of a structure when a banding strap received in the arm-strapping yoke is tightened around the structure and the at least one securing pin.

Abstract: A folding telescopic buttress stand includes a first two-piece telescopic section having an outer tubing member and an inner tubing member in slidable engagement, the outer tubing member being pivotally attached at its lower end to a base plate, and the inner tubing member having attached at its upper end a second two-piece telescopic section having an outer tubing member and an inner tubing member in slidable engagement. One embodiment includes an end fitting or adapter for engagement with a vehicle or other object affixed to the upper end of the inner tubing member. Yet another embodiment includes a third two-piece telescopic section having an outer tubing member and an inner tubing member in slidable engagement affixed to the upper end of the second two-piece telescopic section.

Abstract: A stabilization and support strut for use in rescue operations in buildings, trenches, vehicle accidents, and the like has secure deployment features including first and second inter-fitting collar assemblies, the first collar assembly including a first collar, circumferentially based spring-biased piston-retaining pins mounted in the collar for fitting into orifices in a piston body, and a locking pin for precluding rotation and axial movement of the first collar on the strut; and the second collar assembly including a second collar rotatingly secured on the barrel with a portion of the second collar underlying the first and having a circumferentially inclined ratchet surface for snugly engaging the piston-retaining pins upon rotation of the second collar, the second collar further including rotatable studs for engaging the barrel and precluding rotation of the second collar about the barrel when snug against the piston-retaining pins.

Abstract: A support for a gas prop (hydraulic strut) for a vehicle access door includes an elongate sleeve that is positionable around the cylinder and rod of the gas prop. The support secures a weak or otherwise defective gas prop in its position in which the vehicle access door is held open. The elongate sleeve includes a first and second end. The first end of the elongate sleeve is adapted to be selectively positioned between: (1) abutting the distal end of the cylinder, and (2) coaxially receiving at least a portion of the length of the cylinder. One or more slots are defined at the second end of the elongate sleeve. Each of the slots is selectively engageable with the shaft or post of an attachment bracket for coupling the rod end to the vehicle. Additionally, each one of the slots is a different length, thereby accommodating various lengths of gas props.

Abstract: A device is disclosed for setting a door frame in position before adjacent walls are built and for maintaining the dimensions of the door frame during the building of the adjacent walls. The apparatus of the present invention generally includes two main components, specifically a first extension assembly and a second extension assembly. The first extension assembly and second extension assembly adjustably engage to provide a cost effective and efficient apparatus and method for setting a door frame in position before adjacent walls are built and for maintaining the dimensions of the door frame during the building of the adjacent walls. The apparatus is adjustable, lightweight, and easily portable by hand from worksite to worksite.

Abstract: A method for stabilizing a roof-resting vehicle includes the steps of leaning one or more buttress stands against a rear fender area of the vehicle, passing a chain under a rear end of the vehicle from one of the buttress stands to another, tightening the slack from the chain by pulling chain-grab end fittings towards the fenders at the vehicle undercarriage, using a ratchet strap, restraining the chain from sliding off the rear end of the vehicle by attaching a ratchet strap to the chain near a trunk lid of the vehicle, and passing the chain up to the vehicle undercarriage in front of a wheel assembly of the vehicle, attaching a ratchet strap at a base of the one or more buttress stands and tightening, and placing wedges in front of the opposite end of the vehicle, such that the vehicle is stabilized.

Abstract: A paint can support apparatus includes a post that has a top end and a bottom end. A support assembly is attached to the post adjacent to the bottom end and is configured to support the post in a vertical orientation. A housing has a bottom wall and a peripheral wall that is attached to and extends upwardly from the bottom wall. The peripheral wall has an upper edge defining an opening into the housing and the bottom wall is attached to the top end of the post. A paint can is positioned in the housing and abutted against the bottom wall so that the paint can is supported above a ground or floor surface.

Abstract: A mailbox support structure device, an associated kit and method of using same are disclosed. The mailbox support structure device includes the interconnected components of a telescoping vertical post member, a telescoping horizontal post member and a pair of locking pins. The mailbox support structure device may be lengthened horizontally and vertically to overcome snow piling up at or near the device. The kit includes the unassembled components of the device. The method of using same includes the steps of adjoining, affixing, boring, cutting, digging, drilling, enlarging, expanding, inserting, locking, obtaining, piercing, placing, pouring, screwing, and slipping.

Abstract: An adjustable lumber stand system may include a pair of adjustable leg assemblies. Each leg assembly may comprise a first external tubular section into which a second internal section may longitudinally slidably adjust. A pair of base anchors configured to anchor the pair of adjustable leg assemblies may be coupled to lower ends of the first external tubular sections. A pair of adjustable support bracket assemblies may comprise a brace and a support arm configured to support lumber. The first end portions of the support arms and the braces may be coupled to one another and second end portions of the support arms and the braces may be coupled to different locations on the first external tubular sections. A pair of top anchors configured to anchor the pair of adjustable leg assemblies to a structure may be coupled to upper ends of the second internal section.

Abstract: A telescopically adjustable support brace is used to hold concrete form work at the proper linear distance during pouring operations. The brace comprises a pair of crossbars and telescoping adjustable arms that are locked by a pin inserted through aligned apertures. At the distal ends of each arm, a serrated cleat for digging into the form wall and prevent slippage. The cleats are connected to the arms by a threaded rod, permitting fine adjustments via mateable threads. The crossbars are connected by a pivot bolt or hinge. When the bolt or hinge is locked in place, the invention forms a horizontally rigid assembly, holding the concrete form walls or other objects apart. The hinge or bolt is released by drawing of a wire coupled through a retention member on a lock. When released, the brace pivots about the crossbars, permitting easy extraction of the brace from the forms.

Abstract: A device for stabilizing a plurality of spaced posts comprising an outer frame member; a plurality of bracket assemblies mounted to the outer frame member at a first set of spaced locations thereon to receive the posts; and a plurality of bracing members extending between a second set of spaced locations on the outer frame member, intermediately of the first spaced locations, for stabilizing the outer frame member.