Abstract: A laundry treating apparatus includes a cabinet, a drawer body, a tub including a tub body disposed within the drawer body to configured to receive water and a tub cover coupled to a top side of the tub body and having a tub entrance configured to receive laundry, a drum disposed within the tub body and configured to accommodate the laundry and having a drum entrance for putting the laundry by communicating with the tub entrance, a driver disposed under a bottom side of the tub body and configured to provide power for rotating the drum, a door configured to slide on a top side of the tub cover to open/close the tub entrance, and a door opening detection sensor disposed at the tub cover to detect an opening/closing of the door by contacting with the door that slides on the tub cover.

Abstract: An inorganic fiber sizing agent that contains at least one carbon nanostructure selected from the group consisting of carbon nanotubes and carbon nanofibers, a resin, and a surfactant. If the total content of a nonvolatile content of the resin and the surfactant is taken as 100 parts by mass, the inorganic fiber sizing agent contains the surfactant at a ratio of 2 to 50 parts by mass.

Abstract: Methods are described for treatment of aramid fibers to modify the surface of the fibers. The treated fibers have improved adhesion to elastomer materials as compared to untreated fibers. Modification methods include irradiating the fibers, compressing and straining the fibers under a constant pull force and immersing the fibers in a coupling agent fluid. The treated fibers can be used with elastomers and provide reinforcement elements in products such as tires.

Abstract: The invention relates to a tile, in particular a carpet tile. The invention also relates to the use a tile according to the invention as floor tile, wall tile, or ceiling tile. The invention further relates to a tile covering consisting of a plurality of tiles according to the invention. The invention additionally relates to a carpet covering consisting of at least one carpet tile according to the invention.

Abstract: A raw-material feeding device includes: a storage section that includes a bottom section and a side wall standing from the bottom section and that stores, in a storage space surrounded by the bottom section and the side wall, small pieces of raw material constituted by a material containing fibers; a stirring section that is provided in the bottom section at a position facing the storage space, that includes a blade which rotates about a rotational axis extending in a direction in which the side wall stands, and that stirs the raw material in the storage space by rotating the blade; a first discharging section that is provided in the side wall so as to communicate with the storage space, that includes a first tubular body rotating about a first axis intersecting the rotational axis, and that discharges, upon rotation of the first tubular body, the raw material in the storage space to a processing section; and a second discharging section that is provided in the side wall at a position different from a positio

Abstract: An aqueous composition comprising: sulfuric acid; a modifying agent comprising a carbonyl-containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.

Abstract: The present invention concerns a facility for cleaning cigarette butts, including a treatment tank configured to treat the cigarette butts in order to extract therefrom fibres to be depolluted, and depollution means configured to depollute the fibres by placing them in contact with a fluid in the supercritical state, referred to as supercritical fluid.

Abstract: The present invention allows the production of nanocellulose in dry form, enabling incorporation into a wide variety of end-use applications. Some variations provide a nanocellulose-slurry dewatering system comprising: a nanocellulose slurry feed sub-system; a pre-concentration unit (e.g., a centrifuge) to remove at least a portion of the water from the nanocellulose slurry; an inlet for a dispersion/drying agent; a twin-screw extruder in flow communication with the nanocellulose slurry feed sub-system, wherein the twin-screw extruder intimately mixes the nanocellulose slurry and the dispersion/drying agent, wherein the twin-screw extruder shears the nanocellulose slurry, and wherein the twin-screw extruder is configured with one or more extruder vents to remove water from the nanocellulose slurry; and an extruder outlet for recovering a nanocellulose-dispersion concentrate. A milling device may be employed to generate a fine powder of the nanocellulose-dispersion concentrate.

Abstract: A transfer device applied to a robotic arm for pulp molding, which includes a wet blank transfer mold provided with a closed air chamber therein, a front surface with at least one inward concave matching cavity capable of being sleeved outside a pulp wet blank container and recessed toward the closed air chamber side, a back surface connected with a moving frame, oriented parallel to the wet blank transfer mold, through a guide mechanism, and a driver connected between the back surface of the wet blank transfer mold and the moving frame, where the driver drives the moving frame to move relative to the wet blank transfer mold and the moving frame is provided with a plurality of vacuum suction cups at uniform intervals on a side opposite from the wet pulp transfer mold. The device may transfer a wet blank and collect a molded product at the same time.

Abstract: A structured tissue belt assembly including a supporting layer and a nonwoven web contacting layer. The supporting layer has a top surface and a bottom surface and is formed of monofilaments including one or more layers of warp yarns interwoven with weft yarns in a repeating pattern. At least one of: a) at least some of the warp yarns; or b) at least some of the weft yarns, include laser energy absorbent material, and at least one of: a) at least some of the warp yarns; or b) at least some of the weft yarns include laser energy scattering material. Laser welds attach the bottom surface of the web contacting layer to the top surface of the supporting layer at points where the web contacting layer contacts the at least one of: a) the at least some of the warp yarns; or b) the at least some of the weft yarns that include laser energy absorbent material.

Abstract: Provided herein are additives for paper compositions comprising poly(ethylene oxide) (PEO) and polyacrylamide polymer that are capable of increasing the ash retention of the paper composition. Also provided are methods of making a paper composition using the additives of the disclosure.

Abstract: Apparatuses, systems, and methods for a turf trim strip. The apparatus includes a first panel having first top and bottom surfaces, first and second edges, and first and second ends and a second panel having a second top and bottom surfaces, third and fourth edges, and third and fourth ends. The second top surface is oriented substantially perpendicular to the first top surface and the second edge is adjacent to the third edge. The apparatus includes a plurality of turf tabs that have a first position substantially parallel to the first top surface and a second position that is at an acute angle with respect to the first top surface. In the second position, the plurality of turf tabs extends towards the second top surface and may secure turf to the strip. A plurality of wall tabs may be used with fasteners to connect the apparatus to a wall.

Abstract: A system and method for marking a boundary while defining an autonomous worksite includes receiving first information indicative of a first maneuvering distance from a side of a machine and activating an indicator. The indicator, representative of the first maneuvering distance, is positioned at the side of the machine to be visible to an operator of the machine. The machine is positioned on a worksite surface along a path to be traversed when executing a work plan. After a control system receives a verification from the operator that the machine may operate outside the worksite area and within an outer boundary defined by the first maneuvering distance, a worksite perimeter is defined to include the path, and a geofence for the machine is determined to substantially overlay the outer boundary.

Abstract: A hand-carryable apparatus to heat tar into a flowable state and dispense the tar includes: a pot with pivotable handle, a shroud with a handle, and a heat chamber, which may all be cylindrical. The shroud extends from a bottom portion of the pot. The heat chamber includes: a base wall, a plurality of baffles, and a cylindrical side wall that slidably receives a portion of the shroud in a clearance fit. An opening in the heat chamber side wall receives the flame end of a torch. Three or more baffles protrude upwardly from the base wall to distribute the heat provided by the torch: a first baffle positioned distally from the opening and oriented substantially perpendicular thereto; and second and third baffles positioned between the first baffle and the opening, and oriented at an acute angle to the first baffle, and symmetrically offset from the axis of the opening.

Abstract: A compactor includes a plate, an electric motor coupled to the plate, an exciter coupled to the plate and configured to vibrate the plate in response to receiving torque from the electric motor, a means for transferring torque from the electric motor to the exciter, a battery configured to provide power to the electric motor, and a vibration isolator coupling the battery to the plate.

Abstract: Systems and methods determine a current production rate of a piece of equipment processing first paving material at a worksite, receive first information indicative of an amount of power within a battery of the piece of equipment, receive second information indicative of a characteristic of the worksite, and determine predicted production rate of the piece of equipment to process second paving material at the worksite. The systems and methods further determine an amount of power required by the piece of equipment to process the second paving material at the worksite and determine that the amount of power within the battery of the piece of equipment is insufficient for the amount of power required by the piece of equipment to process the second paving material at the worksite.

Abstract: A helideck safety net assembly that can be readily installed and removed includes a net, spreader bars adapted to pass through the cells at longitudinally opposing edges of the net and an edge line adapted to secure the net inside a perimeter frame by being wound generally helically in loops around the perimeter frame. The net is formed of lengths of line arrayed in the longitudinal direction alongside one another, and fastening means that join adjacent lengths pairwise at intervals to form cells of the net, wherein an end row of cells is formed at both longitudinally opposing edges of the net, and a longitudinal row of cells is formed at both longitudinal edges of the net.

Abstract: A wall element is provided for a noise protection wall. The wall element has a body and at least one outer face. The body has a support towards the at least one outer face, and at least one solar panel is arranged on the support and is connected to the body. The solar panel is inclined relative to a vertical in the direction of an upper face of the wall element. The body has on the at least one outer face at least one sound absorption surface which can be directly reached by incoming sound. The sound absorption surface is inclined at least in some sections relative to the vertical and/or relative to a longitudinal direction of the wall element, and the area of the sound absorption surface is at least equal to the area of a visible face of the wall element.

Abstract: In a road stud system, a road stud includes a terminal storage unit, a light emission unit, and a radio communication unit. The light emission unit emits a light having a first color tone or a second color tone in a first or second direction. The radio communication unit receives an instruction signal for an operation of the light emission unit. A control system that controls a plurality of road studs includes a determination unit and an instruction unit. The determination unit determines whether an overlapping area is in a first state in which passage of a pedestrian is prioritized or a second state in which passage of an automobile is prioritized. The instruction unit sends an instruction signal, in accordance with the result of the determination, regarding the direction of the light emission and the color tone to each of the road studs.

Abstract: An apparatus and method for removing waste, the apparatus including a motorized extendable shaft, a handle assembly connected to a first end of the motorized extendable shaft, wherein the handle assembly includes a grip component, at least a processor, and a memory communicatively connected to the at least processor, the memory containing instructions configuring the at least processor to receive a user input, and adjust the extension of the motorized extendable shaft as a function of the user input, and a waste removal assembly, wherein the waste removal assembly is attached to a second end of the motorized extendable shaft at a connection point.

Abstract: A portable ground picking collector includes a picking tool having two picking portions and a control arrangement equipped with a disposable bag. The disposable bag is constructed by two bag layers to define a storage cavity and an opening. The control arrangement is configured to detachably hold at the picking portions of the picking tool at the bag layers respectively. When the picking tool is actuated to move the picking portions thereof away from each other, the opening of the disposable bag is opened up for receiving ground waste in the storage cavity. When the picking tool is actuated to move the picking portions thereof toward each other for picking up the ground waste, the opening of the disposable bag is closed to retain the ground waste in the storage cavity, such that the disposable bag is detached from the picking tool for disposing the ground waste in the disposable bag.

Abstract: The present disclosure provides a rod-type pile foundation for preventing a pile body from being heaved and an operating method. The rod-type pile foundation comprises a base, a support block fixed inside the base, a support plate movably disposed at a top of the support block by a guide structure, and an anti-frost heaving component located at a lower portion of the support block. The anti-frost heaving component includes a first connecting rod rotationally connected with the support block and one or more telescopic rods. One end of each of the telescopic rods is fixed on the first connecting rod. A scraping plate is fixed at another end of each of the telescopic rods. The support plate is in transmission connection with the first connecting rod through a transmission component. The transmission component converts a vertical linear motion of the support plate into a rotation of the first connecting rod.

Abstract: A system for monitoring shifting of a structure includes one or more hardware processors. The system also includes a non-transitory memory, the non-transitory memory storing instructions that, when executed by the one or hardware processors, causes the one or more hardware processors to perform actions. The actions include monitoring the structure for a shift in elevation in a portion of the structure. The actions also include receiving, from a first plurality of sensors, feedback related to a condition of a foundation of a structure. The actions further include determining whether a portion of the foundation of the structure has shifted in elevation based on the feedback. The actions still further include providing a notification when the portion of the structure has shifted in elevation.

Abstract: A method for forming a drilled pile wall in ground using a drilling device having a reamer and flushing with a medium to remove drilling waste during drilling, and non-rotating pipe piles equipped with interlocks. A vertical 1 hole is drilled while simultaneously placing a pipe pile in the drill hole. At least one subsequent vertical hole is drilled hole in the ground side by side with the drill hole while simultaneously placing a subsequent pipe pile in the subsequent drill hole while the interlocks of the subsequent pipe pile interlock with interlocks of the pipe pile to guide the subsequent pipe pile into the drill hole. Reinforcements are installed in the drill holes, concrete is cast into each pipe pile to form a concrete pile, and at least some of the pipe piles are lifted at least partly out of the drill hole after the concrete has been cast, but before the concrete has bonded rigid to form a unified watertight pile wall. The invention also relates to a pile wall.

Abstract: A method for the construction of composite under-reamed pile, including: implementing a jet grouting and agitation at a pre-designed position to form a composite cemented-soil foundation; constructing the pile hole with a drilling rig, during which bulb cavities are formed when the pile structure includes bulbs; cleaning the pile hole, lifting down a reinforcing cage, lowering a concrete pouring conduit to the pile hole, and lifting the pouring conduit while pouring the concrete; the hardened concrete becoming a pile stem in the pile hole and a bulb in the bulb cavity. Thus, this construction method can completely eliminate the hole collapse risk at the bulb cavity position during drilling; the combined structure of the bulb and the composite cemented-soil foundation can greatly improve the bearing capacity of pile foundation, significantly reduce the settlement risk and the cost of the pile foundation, as well as shorten construction period.

Abstract: A concrete variable cross-section prefabricated square pile comprises pile bodies of large cross-section sections and small cross-section sections alternately arranged along a longitudinal direction. Lateral transition surfaces are formed between side surfaces of the large cross-section sections and adjacent small cross-section sections; at least part of the lateral transition surfaces have a front edge and/or a rear edge that are offset from a vertical direction in a lateral projection, and a vertical projection of an intersection line between the lateral transition surface and a first horizontal plane is located outside a vertical projection of an intersection line between the lateral transition surface and a second horizontal plane; the first horizontal plane is a horizontal plane located above in any two horizontal planes, and the second horizontal plane is a horizontal plane located below in any two horizontal planes.

Abstract: A quick-change device for changing attachments on a construction machine comprises a main body and parallel lateral flanks with oppositely disposed first and second bearing bushings for receiving mounting pins. To expand the range of applications, at least two oppositely disposed first bearing bushings can be inserted at different angular positions into first oppositely disposed passage openings in the lateral flanks by rotating the bearing bushings about an axis, which is offset relative to a central axis of a receiving hole of the first bearing bushing, and have an external contour for rotationally rigid engagement in a complementary internal contour of the passage opening.

Abstract: A work machine includes a controller that executes a semi-automatic control to correct an operation amount indicated by an instruction given by operation devices. The controller is configured to make a compaction determination to determine whether or not a bottom surface of a bucket is being pressed against a ground; and to further correct an operation amount having been corrected by the semi-automatic control, such that a force that the bucket applies to the ground increases if the bottom surface of the bucket is determined as being pressed against the ground.

Abstract: Described herein is a visual indication system implemented on a mobile machine. The visual indication system at least partially surrounds the mobile machine and includes a plurality of displayable regions. Objects surrounding the mobile machine are detected using an object detection sensor. A direction with respect to the mobile machine is detected for each of the objects. A current state of the mobile machine is determined. An object-directed indicator for each of the objects is generated based on the current state of the mobile machine. The object-directed indicator for each of the objects is displayed on the visual indication system at a particular displayable region based on the direction of the particular object.

Abstract: A work machine includes a second pilot line that introduces a hydraulic fluid from a pilot hydraulic fluid source to a pilot valve bypassing a first gate lock valve, a second gate lock valve that is disposed on the second pilot line and that is configured to be switched to an open position for allowing the supply of the hydraulic fluid to the pilot valve or a closed position for interrupting the supply of the hydraulic fluid, and a controller that controls the second gate lock valve on the basis of a second remote operation signal transmitted from a remote operation apparatus and that controls the pilot valve according to a first remote operation signal transmitted from the remote operation apparatus. In a state where the first gate lock valve is at a closed position, the second gate lock valve is allowed to be controlled by the controller when stairs are in a retracted state, and is kept at the closed position irrespective of the second remote operation signal when the stairs are in an extended state.

Abstract: A plurality of traveling wheels are supported via expandable/contractible tubular support members to a vehicle body frame. A hydraulic operation type vehicle height adjustment mechanism is provided for each one of the traveling wheels, the vehicle height adjustment mechanism being capable of switching a relative height of the traveling wheel relative to the vehicle body frame within a predetermined length range by expanding/contracting the support member by a hydraulic cylinder. There are provided a hydraulic control valve capable of controlling feeding state of work oil to each one of the plurality of hydraulic cylinders, a controlling section for controlling an operation of the hydraulic control valve to bring the vehicle body to a target state via vehicle height adjustment by the hydraulic cylinder in response to a change in the posture of the vehicle body and a plurality of accumulators connected oil chambers of the respective plurality of hydraulic cylinders.

Abstract: An anti-stall system to prevent an engine, particularly a low-powered engine, from stalling when encountering a load that the machine is capable of overcoming but due to the nature of the engine, the load encounter would result in a stall. The system includes a hydraulic system in communication with a control system that has one or more sensors that detect, determine, and/or transmit an operational variable. The control system further comprises a plurality of anti-stall blocks having unique configurations, including a first configured to limit output flow upon determination of an engine droop, a second configured to limit output flow based on available engine torque, a third configured to limit output pressure upon rapid engine droop detection, and a fourth configured to prioritize and share output flow between the machine functions.

Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab mounted on the upper turning body, an attachment attached to the upper turning body, and a display device provided in the cab. The display device is configured to display an image including a first graphic and a second graphic. The first graphic represents the relative relationship between the working part of the attachment and a target work surface. The second graphic changes according to the movement of the working part.

Abstract: A damage estimation device includes: an operation parameter reception unit that acquires an operation parameter related to an operation of a work machine; a damage estimation model storage unit that stores a damage estimation model constructed by machine learning using training data with the operation parameter as an input value and a damage parameter related to damage in a predetermined portion of the work machine as an output value; and a damage parameter estimation unit that estimates the damage parameter by inputting the operation parameter acquired by the operation parameter reception unit to the damage estimation model stored in the damage estimation model storage unit.

Abstract: A method of operating an appliance includes receiving an initiation trigger to perform a flush operation, supplying water to a container of the appliance, draining the supplied water from the container, measuring a temperature of the supplied water to the container, determining that the temperature of the supplied water is above a predetermined temperature threshold, and halting the supply of water to the container via the water supply.

Abstract: Disclosed are various embodiments providing a mechanism to couple a tub spout onto a pipe. An extension nipple adaptor can be coupled to the pipe. A compression ring can be positioned between the extension nipple adaptor and an extension nipple. The tub spout can couple to the extension nipple. A threaded screw can be screwed into the extension nipple adaptor and contact the pipe.

Abstract: A faucet assembly and related mounting method is disclosed. The faucet assembly requires only a single fastening mechanism to secure the faucet assembly to a mounting deck. Locating members positioned in alignment with fluid source pipes and their corresponding valves ensure proper placement of the faucet assembly relative to the mounting deck.

Abstract: A faucet includes a faucet body having a base, a support arm cantilevered from the base, and a bracket formed on a free end of the support arm. A flexible hose has one end coupled to the faucet body. A spray head is coupled to the other end of the flexible hose such that the flexible hose has a fixed length between the faucet body and the spray head. The spray head has an outer surface with a recess formed therein and is configured to receive the bracket such that the spray head is releasably coupled to the faucet body.

Abstract: A water dispenser assembly for a hand washing station includes a water heater having a water tank and a heating element configured to heat water contained in the water tank, the water tank having an inlet conduit connected to a water source and an outlet conduit, a water outlet connected to the outlet conduit and configured to receive water from the water heater through the outlet conduit, and a valve in fluid communication with the water heater and configured to selectively permit the water to be forced from the water tank and through the water outlet to dispense the water. The hand washing station may include a computer device configured for controlling components of the station.

Abstract: A sanitary insert (1) in which the overall cross section of the aeration ducts (9, 18, 22, 23) of a jet aeration unit (3) is reduced by a ratio to the outer circumference of a mixing chamber (6) so that an air flow captures a leakage flow on the seal-free outer circumference of the insert (1) and transports the same into the mixing chamber (6).

Abstract: A fixture carrier for supporting a plumbing fixture includes an upright defining a first axis, and a cross-bar coupled to the upright and defining a second axis oriented perpendicular to the first axis. The fixture carrier additionally includes an arm defining a third axis oriented perpendicular to the first axis and the second axis, a bracket removably coupled to the arm and configured to couple the arm to the upright, and a plate positioned between the bracket and the arm. The plate includes an aperture configured to receive a portion of the bracket. The plate is slidable along the aperture relative to the bracket in a direction parallel to the second axis.

Abstract: A trip lever assembly for a toilet includes a body and an infrared sensor. The body is configured to be mechanically coupled to a flush valve assembly of the toilet. The infrared sensor is coupled to the body, and is configured to be electrically coupled to the flush valve assembly. The body is configured to be manually actuated to control the flush valve assembly. The infrared sensor is a time-of-flight sensor configured to detect the distance of an object in a detection region of the infrared sensor to control the flush valve assembly.

Abstract: An odor removal system for a toilet includes an odor intake unit, a first conduit assembly, a pump unit, a second conduit assembly and a base. The odor removal system is preferably easy installable onto any toilet and effectively removes odor particles during use of the toilet, thereby substantially preventing the odor particles from dispersing about the room and causing an unpleasant odor in the room.

Abstract: An effuser flusher includes an effuser box. The effuser includes: a box body having a box body opening disposed at a front end of the box body; and a box cover pivotally mounted on the box body and configured to control opening and closing of the box body opening. The effuser flusher also includes an effuser mounted in a box body cavity of the box body; a nozzle disposed at a front end of the effuser and configured to extend forward and retract backward through the box body opening; a first water supply pipe connected with a rear end of the effuser and configured to supply washing water; and a second water supply pipe communicated with the box body cavity and/or the effuse and configured to supply cleaning water.

Abstract: A draining device, which can discharge permeated water and/or rainwater quickly, and adapt to different construction requirements is provided. The draining device may have a permeable wall body. The permeable wall body may have a plurality of ribs, where a cross section of the ribs in a first direction is wavy, and a wave amplitude of the cross section gradually changes, from a first side to a second side, in a second direction. Therefore, the ribs have alternating wave crest parts and wave trough parts at either side of the first direction. The wave crest part of one rib, among two adjacent ribs is opposite to the wave trough part of the other. The first direction intersects the second direction. The second direction is a thickness direction of the permeable wall body.

Abstract: Stormwater management systems, methods, and apparatuses for containing and filtering runoff may be provided. In one implementation, a flared end ramp for managing flow of material into a stormwater chamber may be provided. The flared end ramp may include an inlet end configured for connection with a pipe, a side wall of the flared end ramp having a rounded profile at the inlet end; an outlet end configured for placement within the stormwater chamber; and an inclined surface extending between the inlet end and the outlet end of the flared end ramp and configured to deliver material from the pipe into the stormwater chamber. The outlet end of the flared end ramp may have a larger width than the inlet end of the flared end ramp such that the inclined surface is angled laterally outward from the inlet end toward the outlet end.

Abstract: The present invention relates to a venturi device for a combined sewage overflow system, the venturi device comprising: a body defining a fluid passageway therethrough, the body having a first end portion defining a fluid inlet; a second end portion opposing the first end portion, the second end portion defining a fluid outlet and an opposing venturi inlet in fluid communication with the fluid outlet: and a mid-portion located between the first and second end portions; and a venturi pipe located between the first fluid outlet and the venturi inlet and in fluid communication with both, wherein the venturi pipe is narrower in cross section than the venturi inlet, and wherein the fluid inlet comprises an intake funnel that decreases in width in a direction towards the fluid passageway. The present invention further provides a CSO system including such a venturi device.

Abstract: Systems and methods for providing modular building unit or “pods” are provided. In various embodiments, site-specific conditions and risk factors are evaluated and identified. The conditions and risk factors are used to inform decisions and design requirements for one or more pods and to modify or reinforce a pod prior to installation if needed. Methods and systems of securing the pods are also provided.

Abstract: Watertight anchoring for securely fastening elements to a building, comprising a base or support anchored in a supporting structure of the building; a heat-insulating layer; a first watertight layer applied over the heat-insulating layer and the base or support; a bearing structure fixed to the base or support and a second watertight layer applied over parts of the aforementioned bearing profiles and over parts of the first watertight layer that are adjacent to the respective bearing profiles.

Abstract: An extrusion profile bracket for mounting panels comprises a mounting base, a first support leg extending from the mounting base, and a brace extending from the mounting base and spaced apart from the first support leg. The first support leg has a plurality of first support leg panel gripping teeth extending from the first support leg toward the brace and terminates in a first support foot including a portion extending oppositely to the first support leg panel gripping teeth and away from the brace. The first support foot has a first locking heel extending toward the brace and extending beyond termini of the first support leg panel gripping teeth. The brace has a plurality of brace first panel gripping teeth extending toward the first support leg panel gripping teeth, and the first support leg panel gripping teeth and the brace first gripping teeth are arranged in opposition to one another.