Abstract: The present Patent of invention “HELICAL RAMP LIFE-PRESERVER” refers to a model of helical ramp, aimed for collective use, for immediate rescue of lives subjected to a probable fire, to be used in buildings of any height, or in places that cannot be reached by the devices currently in use, such as “Magirus” stairs, or even in those where these devices can reach, but a probable delay to help would put in risk people's life in an eventual emergency state.
Abstract: Structures and apparatuses such as tank cars that have ladders associated therewith are disclosed which have, at the ladder top, two arrays of a plurality of horizontal rungs suitable for a climber using a ladder to horizontally grip by hand. The arrays form an opening through which a climber can leave or access the ladder while gripping the horizontal handgrip rungs of the arrays. The cross-section of the horizontal handgrip rungs is substantially round and should not exceed 2 inches in diameter. The preferred cross-section of the rungs is within the range of from about ¾″-1 ″ in diameter.
Abstract: An escape device for allowing a person to escape from a high position to a predetermined landing point. The escape device basically includes: an elastic cord element elastically stretchable to a maximum length substantially at the landing point; a container element provided at the high position; and a carrier element connected with the elastic cord element. Accordingly, a person can descend via the carrier element from the high position and softly land on the landing point. A plurality of carrier elements may be provided and connected together via plural elastic cord elements and auxiliary ropes, using disengagement mechanism, to provide a multistage escape device, so that the carrier elements can be disengaged from one another in sequence when they are falling so as to permit person(s) to descend and softly land on a ground at the landing point.
Abstract: A self-climbing concrete wall form hoist for forming a concrete wall section atop a previously formed wall section has a wall mounting releasably secured to the previously formed wall section, a moveable vertical mast, a channel in the wall mounting which guideably receives the moveable mast, a platform alternatively supported on the mast and on the wall mounting, upper and lower dog latch assemblies mounted on the platform and pivotable between a platform raising position when the mast is supported on the wall mounting and a mast raising position when the platform is supported on the wall mounting, and an extensible and retractable linear actuator interconnecting the upper and lower dog latch assemblies for raising the platform relative to the mast when the dog latch assemblies are in the platform raising position and for raising the mast relative to the platform when the dog latch assemblies are in the mast raising position.
Type:
Grant
Filed:
January 18, 2000
Date of Patent:
May 6, 2003
Assignee:
Wilian Holding Company
Inventors:
Thomas Joseph Waldschmitt, Randy Pauley
Abstract: A construction platform comprising a stationary support structure adapted to be fixedly secured to the floor of a building under construction and project from the edge of the building to a predetermined maximum extent, and a movable deck mounted on the stationary structure which may be extended as a cantilever therefrom or retracted into at least substantial registration therewith.
Abstract: A construction safety screen (1) has structural capacity to wall predetermined portions of or entire worker-area precipices which include apertures and edges of under-construction buildings and scaffolding against accidental falling. Included are a fastening border (7), fasteners (12, 13, 14, 28, 43), netting apertures (5), netting material (6), visibility coloring and size adaptors. It can be rolled up for light-weight shipping or storage and unrolled easily and conveniently for use and reuse.
Abstract: Walls of expanded polystyrene, concrete-receiving forms (referred to as insulated or insulating concrete forms or ICFs) need to be vertical while they are being filled with concrete and while the concrete is curing. An apparatus with a vertical member and a brace member is such that one person can erect it and use it to adjust walls of ICFs so as to be vertical or plumb. The apparatus is capable of being readily used with the forms of any manufacturer by being provided with asymmetrical brackets for detachably attaching the vertical member to a wall firmly, but not rigidly. The apparatus provides a support for a platform, or scaffold, for a person to stand on while guiding the concrete pouring and while plumbing the wall. The vertical member extends upward from the ground and is held firmly against the wall with asymmetrical brackets. The brace member extends from the vertical member at a pivot with the other end of the brace member attached to the ground or floor.
Abstract: A system adapted for use in evacuating a building includes a track assembly mounted to an exterior wall of the building. More particularly, the track assembly extends vertically along the exterior wall so as to be accessible by a user from the building. The track assembly is designed to permit the user to descend along the track assembly at a predetermined speed when the user is engaged to the track assembly through an engaging mechanism.
Abstract: A carrying track for a building, which includes a building including a plurality of floors, a track extending from a lower floor of the building to a floor above the lower floor, the track structurally forming part of the floors and part of an outside surface of the building, wherein the track includes two vertical halves with a gap formed between, the gap being exposed to the outside surface of the building and extending inwards from the outside surface.
Abstract: An erectable and transportable scaffold device adapted to be engaged on and supported on a support beam comprises front and rear frame structures which are pivotally interconnected by means of parallel side braces which are connected between the frame structures. A scaffold plate is pivotally connected to the lower ends of each of the front and rear frames. And the front frame is pivotal outwardly from the rear structure to form a cage within the front and rear structures and the side braces having a floor formed by a scaffold plate. The plate has upright bottom edges which fit flush against the insides of an angle member forming the sides of the front fra me structure so that it facilitates the holding of the structure in an erected cage forming position. A flexible or foldable member such as a chain or so is connected between the upper ends of each side of the front structure to the upper ends of each side of the rear structure.
Abstract: This invention contemplates a combination and method involving mounting specially designed plates and/or mounting apparatus against and on the standard vertical column used in construction of office structures or other structures including bridges. The plates have a clamping mechanism designed to fit around or on the vertical column. A lower and upper plate are mounted. The plates have a protrusions onto which are mounted a bracket with holes fitting on the protrusions. The bracket is secured with a cotter pin. The brackets project outside the eventual skin of a building and deck planks or pics can be mounted on the brackets. The mobile outrigger scaffolding system allows workmen to safely walk and work on the deck planks to perform work on a floor-by-floor basis. The system can be dissembled quickly and moved to another part of the same floor, to a new floor, and can be used around the outside corner of a structure or from an overhang or from a horizontal beam.
Abstract: An erectable and transportable scaffold device adapted to be engaged on and supported on a support beam comprises front and rear frame structures which are pivotally interconnected by means of parallel side braces which are connected between the frame structures. A scaffold plate is pivotally connected to the lower ends of each of the front and rear frames. And the front frame is pivotal outwardly from the rear structure to form a cage within the front and rear structures and the side braces having a floor formed by a scaffold plate. The plate has upright bottom edges which fit flush against the insides of an angle member forming the sides of the front frame structure so that it facilitates the holding of the structure in an erected cage forming position. A flexible or foldable member such as a chain or so is connected between the upper ends of each side of the front structure to the upper ends of each side of the rear structure.
Abstract: A scaffolding support designed to hang from the top of a wall and further designed to allow a complete roof including a frieze block to be installed without removing the hanging scaffolding support. The hanging scaffolding support is further designed to be removable with a frieze block installed. The hanging scaffolding support includes a wall securing assembly, a vertical support, a horizontal support, and a vertical safety rail support.
Abstract: A bracing assembly for controlling the vertical orientation of an upright structure, the assembly comprising: an angle brace having first and second ends, the first end for attachment to a fixed point adjacent to the structure; and an adjustable connector for connecting the angle brace to the structure; the adjustable connector including a mounting member for attachment to the structure, a brace mount for attachment to the second end of the angle brace, and a mechanism for movably connecting the mounting member with the brace mount and selectively adjusting the position of the brace mount under load conditions and in a substantially vertical plane. The bracing assembly may form part of a walkway assembly to provide a vertically adjustable walkway from which cement may be poured into forms for making a concrete wall foundation.
Abstract: A wall jack unit for erecting scaffolding is described having a series of brackets for placement at the top of a wall and connects with a wall surface-engaging pole and truss support structure with a combination user platform for supporting a wood plank between at least two of the units. Each part has adjustable features which utilize hole-engaging connections so that a series of units can be joined or formulated on a variety of building or wall structures. The unit is made of a durable steel which is resistant to weather ladened effects.
Abstract: A scaffold structure which includes two or more legs (1, 2) intended for erection to compensate large differences in height on an underlying surface substantially parallel with a work or contact surface, at a distance therefrom. The legs (1, 2) at their upper ends, when erected, are in a known way per se bent inwards or provided with spacers (5, 5′) facing towards the work or contact surface in order to produce the said distance. Moreover, the points of impact of the legs (1, 2) against the underlying surface are offset outwards from the work or contact surface relative to the leg portions (4, 4′) that are substantially parallel to the work or contact surface. The legs (1, 2) can be connected to a platform (3) at mutually different levels and with varying distances between the legs (1, 2) dependent upon the state of the underlying surface.
Abstract: A combined wall and scaffold jack comprising a driving mechanism that produces a force, a wall raising mechanism and a scaffolding mechanism, wherein the wall raising mechanism and the scaffolding mechanism are interchangeably connectable to the driving mechanism such that the wall raising mechanism can raise a wall by the force or the scaffolding mechanism can raise a staging plank by the force.
Abstract: A support for supporting items from an open stud wall or from an A-frame step ladder. The support includes a pair of spaced, parallel crossbars, and a support arm that interconnects the crossbar substantially at their centers and extends outwardly therefrom to define a supporting surface for supporting one or more spools of electrical wire, for convenient unreeling of household wiring during home construction. Various forms of adapters can be provided to permit unreeling wire from a spool supported for rotation about a vertical axis or horizontal axis, and for supporting other items such as tools, workbench surfaces, drawing tables, and the like. The support is of simple form, is easy to use, and is versatile to adapt to different wall and ladder sizes.
Abstract: A wall jack unit for erecting scaffolding is described having a series of brackets for placement at the top of a wall and connects with a wall surface-engaging pole and truss support structure with a combination user platform for supporting a wood plank between at least two of the units. Each part has adjustable features which utilize hole-engaging connections so that a series of units can be joined or formulated on a variety of building or wall structures. The unit is made of a durable steel which is resistant to weather ladened effects.
Abstract: Structures and apparatuses such as tank cars that have ladders associated therewith are disclosed which have, at the ladder top, two arrays of a plurality of horizontal rungs suitable for a climber using a ladder to horizontally grip by hand. The arrays form an opening through which a climber can leave or access the ladder while gripping the horizontal handgrip rungs of the arrays. The cross-section of the horizontal handgrip rungs is substantially round and should not exceed 2 inches in diameter. The preferred cross-section of the rungs is within the range of from about ¾″-1″ in diameter.
Abstract: An adjustable cantilever scaffold assembly for use in working on the exterior walls of multi-story buildings. The assembly is mounted on an exterior surface of the building such as a walkway or balcony having a safety wall and includes a cantilever beam extending outwardly over the top of the safety wall to provide means for supporting workboards for a workman. When assembled on the exterior surface the scaffold is positioned adjacent to the edge of the surface which permits unencumbered movement of workmen around the scaffold.
Abstract: The invention relates to a bracing assembly for controlling the vertical orientation of an upright structure, the assembly comprising: an angle brace having first and second ends, the first end for attachment to a fixed point adjacent to the structure; and an adjustable connector for connecting the angle brace to the structure; the adjustable connector including a mounting member for attachment to the structure, a brace mount for attachment to the second end of the angle brace, and a means for movably connecting the mounting member with the brace mount and selectively adjusting the position of the brace mount under load conditions and in a substantially vertical plane. The bracing assembly may form part of a walkway assembly to provide a vertically adjustable walkway from which cement may be poured into forms for making a concrete wall foundation.
Abstract: A raising system for scaffolding, elevator cabins and the like which comprises a vertical stationary beam member from one side of which equally vertically spaced similar rack teeth are protruding, each tooth having a substantially horizontal straight top face, a framework guided for up and down movement along said beam member, a power driven shaft rotatably supported by said framework and carrying spaced radial supports, a series of parallel idle shafts extending between the supports, equally spaced from one another and radially equally spaced from the driven shaft, and a plurality of cylindrical roller assemblies rotatably mounted on the idle shafts and adapted to come in successive rolling engagement with the top faces of said teeth during upward or downward movement of said framework. Each roller assembly includes several rollers disposed side by side.
Abstract: A scaffolding apparatus (10) and the like is for use on a building (12) during its construction. The scaffolding apparatus (10) comprises a plurality of fixing bracket members (20) each being adapted to be fixed to a corresponding one of a plurality of studs (11) or the like of the building (12) undergoing construction such that they extend substantially horizontally from the stud (11). The fixing bracket members (20) each have a bracket (22) which is adapted to be fixed to the stud (11) whereby each of the brackets (22) has a pair of angle flanges (24,25) aligned above and below respectively of the longitudinal axis of the fixing bracket member (20). The lower flange is adapted to be fixed abutting against the outwardly facing side (26) of the stud (11) and the upper angle flange (25) is adapted to be fixed abutting against the inwardly facing side (27) of the stud (11). The plurality of fixing bracket members (20) are arranged, when installed, to receive planks (39) or the like on top to provide a platform.
Abstract: An adjustable bracing system is configured for supporting poured concrete wall systems and includes a vertical brace for engaging the wall. A slider slides vertically along a channel of the vertical brace. An adjustable length leg member connects at an upper end to the slider and extends outward away from the brace and connects at a lower end to a foot member. The leg is rotatably mounted at one end to a threaded member, wherein rotation of the leg in a first direction extends the threaded member and the length of the leg member, and rotation in a second opposite direction retracts the threaded member and shortens the length of the leg member. When needed, scaffolding framework mounts along a first edge to the slider.
Abstract: A method of controlling a retractable stairway assembly for a vehicle includes monitoring at least one vehicle status condition such as (a) whether the vehicle is stopped, (b) whether the parking brake is set, (c) whether the cab is tilted in excess of a threshold, and (d) whether excess current is being required by a motor used to shift the stairway between stowed and deployed positions in the event an electric motor is used for this purpose. In the event any of these monitored conditions are not in a predetermined state, deployment of the stairway from a stowed position is blocked. Deployment and stowing of the stairway may also be interrupted depending upon vehicle status and other conditions. Interior and exterior vehicle alarms may be activated depending on vehicle status conditions and the mode of operation of the stairway.
Type:
Grant
Filed:
February 25, 1999
Date of Patent:
January 23, 2001
Assignee:
Freightliner Corporation
Inventors:
Paul J. Delurey, David J. Johnston, Michael K. Smith, Nasser Zamani, William G. Massey, III, Luis A. Novoa, Michael von Mayenburg, Charles H. Blakewood, Jr., Paul M. Menig
Abstract: The invention resides in an improvement in safety net system wherein the safety net is formed from an improved material which is resistant to weakening by ultraviolet radiation, hence does not need to be dyed or treated, and therefore is shrink and sag controlled. The invention further resides in a connection and method for making such connection between a safety net and a debris net for supporting same as a unit in an assembled condition and/or an improved connection between a border member of a safety net and its associated mesh.
Abstract: A scaffolding assembly comprises, in this case, four uprights spaced along the wall structure with each upright being about the same distance from the wall structure, each upright has a lower end on the ground and an upper end adjacent the roof. Building engagement means in the form of roof mounting brackets extend from the building to each upright to hold the upper ends of the uprights in fixed space relation to the building, adjacent uprights have respective carriages and hand winches respectively for independently raising or lowering the carriage incrementally in turn in order to raise and lower platforms. To this end the platforms are pivotally supported and extend toward the wall structure so that service personnel can raise and lower the platforms to work on the wall structure.
Abstract: A fixed ladder has a first plurality of parallel rungs arranged along a lower section thereof and also has a walk-through section with vertical side rails arranged at the top thereof. A second plurality of parallel rungs is arranged along the walk-through section. This second plurality of rungs is attached at one end to the vertical side rails of the walk-through section and is easier to hold then the vertical side rails if a foot or a climber slips near the top of the ladder while mounting or dismounting at the walk-through section.
Abstract: A deck support may be created to hang from a top plate of a wall in residential or other construction. An upright or leg may provide support of the weight of the deck supported on a foot extending laterally from the leg. The foot may be provided with a climber attachment that secures the foot extending horizontally from the leg, and yet is readily adjustable without alignment, line-of-sight adjustment, removal or repositioning of pins, and the like. The apparatus may operate to support a user installing soffits, fascia, trusses and other assemblies near the upper portions of walls at any stage of construction. Adjustment may be done safely by a single user employing a single hand. Alignment and engagement are simple and automatic by the climber securing the foot to the leg. A hanger bracket may extend adjustably across the top plate of a wall to support the leg extending vertically therebelow.
Type:
Grant
Filed:
March 17, 1998
Date of Patent:
April 25, 2000
Assignee:
Wall Walker, LLC
Inventors:
Fred P. Smith, Kevin L. McAllister, D. Paul Riley
Abstract: A guard rail scaffold assembly comprises a plurality of assembly members carrying horizontally extending guard rails. Each assembly member comprises an elongated base member attachable by a releasable connector to a fastener pad fastened to an above-ground structure surface. The connector allows pivoting movement of the base member for adjustment of the base member to be parallel to the surface. The base member also carries surface engaging members on opposite sides of the connector which engage the structure surface to maintain the base member parallel to the structure surface. A first post member extends from the base member and, when the scaffold is mounted on the guarded surface, this constitutes a guard rail support member or has a guard rail support member mounted thereon. When the scaffold is mounted on a wall surface a second post member is releasibly mounted on the first post member and receives the guard rail support member instead of the first post member.
Abstract: A portable, collapsible brace for mounting scaffolding on the side of a building, comprises a generally "U"-shaped structure made up of two bent arms, each comprising an upright, surface-engaging section having an oblique section at its lower end. The upright sections are spaced from each other by a standard building wall stud spacing and can be nailed to the studs. The oblique sections are connected to each other at a point between the stud locations. An arm is pivotally connected to this point, and is removably engageable with a platform pivoted to the upright sections. The platform is also generally U-shaped, and nests inside the attachment arm structure in coplanar relationship therewith when the apparatus is collapsed.
Abstract: A wall supported scaffolding device (10) for suspension and attachment to the upper portion of a wall panel (100) wherein the device (10) includes an inverted T-shaped vertical support member (20) provided with a plurality of generally C-shaped brackets (22) dimensioned to pivotally receive the inboard ends of a cross piece member (30) and an angled brace member (40). The outboard ends of the cross piece member (30) and the brace member (40) support a railing support unit (14) and wherein the intermediate portion of the cross piece member (30) is provided with a locking bolt (37) for preventing the lateral displacement of a scaffold plank (200) long the longitudinal axis and/or transverse to the longitudinal axis of the cross piece member (30).
Abstract: A scaffold system for removable attachment to a wall that includes a vertical support member, a horizontal support member, and an attaching bracket. The vertical support member has a first end and a second end. The horizontal support member has a first end and a second end. The first end of the vertical support member is attached to the horizontal support member so that the vertical support member is substantially perpendicular to the horizontal support member. The attaching bracket extends from the horizontal support member substantially aligned with and parallel to the horizontal support member. The attaching bracket removably attaches the vertical support member and the horizontal support member to the wall.
Abstract: A telescopic emergency egress device includes an outer tube having a front end and a back end, an inner tube having a front end and being telescopically movable along the outer tube, a spring compressed to push the inner tube to move from a retracted position to an extended position, a retainer operable to maintain the inner tube in the retracted position, and a device for lowering a person at the front end of the inner tube from a higher level to a lower level at a speed of sufficient safety to the person.
Abstract: A scaffolding system for use on an inclined surface, such as inside a ship cargo hold. The scaffolding system includes a scaffold pole and a support bracket that secures the scaffold pole to a support surface. The support bracket is only in place temporarily and is removed once the work is finished. A swivel foot is coupled to the scaffold pole. The swivel foot is configured to pivotally align with the inclined surface. A preventer is attached to the scaffold pole, and uses the support surface to prevent the scaffold pole from sliding along the inclined surface, and to provide additional lateral support.
Abstract: Rescue apparatus including a track mounted vertically on an outside surface of a building, a pulley mounted on the building above the track, a non-rescue-grade guide cable arranged for moving along the track, an upper end of the guide cable engaging the pulley, and release apparatus for arresting downward movement of the upper end of the guide cable and for selectively releasing the upper end of the guide cable so as to permit downward movement of the upper end of the guide cable.
Abstract: A scaffolding assembly comprising uprights and building engagement means extending from the uprights to a building a carriage mounted on each upright with platforms pivotally connected to adjacent carriages.
Abstract: A scaffold structure having a guard rail system for preventing falls from the scaffolding, and having adjustable stops for adjustably positioning plank members upon the scaffold structure. The guard rail system includes guard rail posts removably secured to a platform member of the scaffolding by inserting a peg into a fixed stop on the platform member, spacing bars for bracing the guard rail posts, and a guard rail supported by the posts. The platform member includes a center channel, and stop members disposed within the channel which are adjustably positioned along the channel. The stop members are disposed on both sides of the planks to maintain the planks in position.
Abstract: A universal staging bracket is supported on the sloping side of a steel ship or the like by means of a base plate having key hole apertures which engage headed studs welded to the side of the ship. A support arm is pivotally mounted on the base plate for disposition in a horizontal position when the base plate is not vertically disposed. A support leg is pivotally mounted on the base plate for pivotal movement to accommodate complex curvatures in the side of the ship and a telescopic knee brace is pivotally connected at opposite ends between the support leg and the support arm.
Abstract: The invention resides in an improvement in safety net system wherein the safety net is formed from an improved material which is resistant to weakening by ultraviolet radiation, hence does not need to be dyed or treated, and therefore is shrink and sag controlled. The invention further resides in a connection and method for making such connection between a safety net and a debris net for supporting same as a unit in an assembled condition and/or an improved connection between a border member of a safety net and its associated mesh.
Abstract: A walkway system for roof, truss or elevated workers or the like is attached to a structure, e.g. a building wall of an unfinished building. The system utilizes first and second longitudinally spaced-apart support assemblies for releasable attachment to a top of a building wall. Each assembly presents a depending support bar extending along an exterior surface of a building wall. A horizontal support brace is attached to each depending support bar at selectable positions therealong, the horizontal support brace providing support for overlying boards of a walkway. Attached to the free end of the horizontal support brace is a vertical post having a plurality of vertically spaced-apart brackets thereon for receiving a portion of a plurality of vertically spaced-apart hand rails therein. A series of hook-like brackets are releasably placed along the rails for positioning a reinforcing strut adjacent each hand rail.
Abstract: An anchorage connector is comprised generally of an attachment device, a base plate and a generally arched shaped anchoring ring. The attachment device secures the connector to the surface of an object. The base plate is connected to the attachment device and helps to distribute forces to which the connector is subjected, across the surface of an object when the connector is secured to the object by the attachment device. The generally arched shaped anchoring ring has its upper end attached to the upper portion of the base plate and its lower end attached to the lower portion of the base plate such that the anchoring ring is positioned approximately perpendicular to the base plate.
Type:
Grant
Filed:
September 16, 1996
Date of Patent:
September 29, 1998
Assignee:
Haun Drop Forge Co., Ltd.
Inventors:
Keith A. Smith, Steve B. Levay, Bob Claus
Abstract: A portable scaffold adapted to be utilized with a building having a vertical wall. Also included is a plurality of supports each with a generally L-shaped configuration. Each support comprises a first vertically oriented elongated side with a plurality of linearly aligned mounting holes formed therein for allowing removable coupling with a plurality of linearly aligned mounting pegs situated on the wall. A second horizontally oriented side is integrally coupled at an inboard end thereof to an upper end of the first side of the support. In use, the second sides of the supports are situated at an equivalent height. Finally, a plurality of elongated planks are adapted to be removably positioned lengthwise across the second side of each support for supporting weight thereon.
Abstract: A series of horizontally spaced tubular metal frames each include a pair of vertical short and long leg members rigidly connected by an inclined support member having a projecting upper end portion. The leg members are removably connected to the top ends of vertically aligned legs of a tubular metal scaffold assembly positioned adjacent a building. The inclined support members receive connector members connected to the building roof or ridge members connected by horizontal support members and supported by vertical posts resting on the roof or floor. A flexible light transmitting plastic film is supported by the inclined support members and ridge connector members to enclose the frames and scaffold assembly, and the film has an edge portion clamped to the roof or floor.
Abstract: A support device for holding building materials and the like which includes: a body; clamping means having a lever mechanism and skid-resistant means attached to one end of the body; a brace having slip resistance means and extending diagonally from an end of the body opposite that to which the clamping means are attached; the clamping means being arranged to be secured onto a building support member and the brace arranged to be secured to the support member at a position spaced apart from where the clamping means are secured, thereby, forming a triangular support device with the body, brace, and building support member. A lever mechanism is arranged to both open a movable part of the clamping means and close such movable part causing the clamping means to securely grip the building support member. The movable part of the clamping means is arced to securely fit building support members of varying thicknesses.
Abstract: A scaffold support comprises a beam fabricated in the form of a rectangular steel tube having width less than its height, and a pair of legs each fabricated in the form of a rectangular steel tube. The legs are welded to opposite sides of the beam so as to diverge from one another at an acute angel and so as to angle outward and downward from the beam at an acute angle from the vertical when the beam is oriented horizontally. An angle bar welded to each leg and extending between the legs to stabilize the legs and to provide a step. A steel scaffolding retainer welded to an outer end of the beam and extended above a top edge of said the so as to prevent scaffolding from moving beyond the outer end, and a steel mounting plate is welded to an inner end of the beam so as to provide a bearing surface for the inner end.
Abstract: A brace is provided for providing increased deflection resistance to a primary plank wherein the brace includes a frame member having an upper portion and a lower portion. The upper portion is adapted for supported and maintaining a primary plank in a fixed position, and the lower portion is adapted for supporting and maintaining a secondary plank in a fixed position such that the secondary plank and the primary plank extend in identical directions with the secondary plank being spaced-apart from and perpendicular to the primary plank whereby increased deflection resistance is provided to the primary plank.
Abstract: The invention resides in an improvement in safety net system wherein the safety net is formed from an improved material which is resistant to weakening by ultraviolet radiation, hence does not need to be dyed or treated, and therefore is shrink and sag controlled. The invention further resides in a connection and method for making such connection between a safety net and a debris net for supporting same as a unit in an assembled condition and/or an improved connection between a border member of a safety net and its associated mesh.