Abstract: An apparatus is provided for supporting a worker on an upper chord of a roof truss. The apparatus includes a saddle member which is positioned over an installed upper chord of a roof truss and secured thereto to prevent inadvertent movement of the apparatus with respect to the upper chord upon which it is mounted. The apparatus includes a pair of hanger assemblies which are pivotally secured to the saddle member and which extend downwardly therefrom for supporting a pair of footrests thereon. In use, the worker straddles the saddle member and the chord upon which it is mounted with his/her feet resting on the footrests. The footrests may be adjusted to compensate for varying roof pitches.

Abstract: The invention is directed to a suspended scaffolding apparatus mountable on wall for supporting a scaffold platform. The scaffolding apparatus includes at least attachment brackets, at least two vertical frame members, at least two support brackets, one or more braces and at least two detachable railing posts. The vertical frame members and associated support brackets may be selectively attached and detached from the attachment brackets which remain mounted on the top surface of the wall. The scaffolding apparatus can thus be conveniently installed at any time to permit work on the roof of the building.

Abstract: A scaffold arrangement for repairing the edge structure of a concrete bridge. A steel-structured bent comprises a vertical beam that can be anchored by support members to the upper surface of the bridge. The vertical beam extends to a distance above the upper surface of the bridge. An upper horizontal beam is rigidly secured to the upper end of the vertical beam and the horizontal beam extends substantially transversely relative to the longitudinal direction of the bridge and over the edge of the bridge. A vertical column is secured to the end of the upper horizontal beam. The lower end of the vertical column extends down from the edge of the bridge. A lower horizontal beam is secured to the vertical column and extends in alignment with the upper horizontal beam.

Abstract: A combination of parts for and method of constructing a modular platform. A frame beam connector member is connected to respective end portions of a pair of frame beams while the pair of frame beams are in substantially a side-by-side relation. One of the frame beams is then swung relative to the other to a co-axial position of the frame beams relative to each other. Then another frame beam connector member is connected to the respective end portions of the frame beams while the frame beams are in the co-axial position thereby to maintain the pair of frame beams in the co-axial position. A deck support beam is connected to a frame beam while in substantially a side-by-side relation therewith. The deck support beam is then swung to a position normal to the frame beams. The deck support beam is then connected to another frame beam.

Abstract: A wheeled truss that is convertible into a truss with a catwalk. A carriage is removably mounted to the bottom of the truss for transporting the truss to the performance site. The carriage is removed from the truss, inverted and mounted to the top of the truss forming with the truss a catwalk.

Abstract: The Portable Wheel Step is a device that can be temporarily affixed to a pickup truck's tire and wheel to aid individuals in easily accessing items in the bed of the truck or under the hood. This unique product can give users extra height so they can reach certain areas of the truck in a safe, secure manner with less effort. By stepping onto the device, it may move into a slight downward position, locking into place, creating a step. With the apparatus being in a configuration that is one solid piece, there is no assembly required. With the apparatus having a flat compact stature, the product can easily be stored behind the seat area of a pickup truck.

Abstract: The present invention relates to a device for enabling access to a structure above ground level by lowering and/or lifting the device in relation to the structure, the device comprising a first endless frame structure defining an opening, wherein at least part of the first endless frame structure forms a track portion, the track portion being adapted to guide an, in relation to the track portion, movable object, such as a gondola, along the track portion. The device may further comprise a second endless frame structure defining an opening, the second endless frame structure being aligned with the first endless frame structure.

Abstract: A device for positioning a rope access technician next to a blade of a wind turbine, including a rigid spine, one or more clamp assemblies with each clamp assembly connected to the rigid spine and each clamp assembly capable of clamping to a blade of a wind turbine, and a lower platform connected to a lower portion of the rigid spine with a substantially flat top surface on which a technician may sit, stand or place items.

Abstract: The invention includes a work platform and support system that includes a hub and joist configuration, wherein the hubs and joists are capable of articulation, or pivoting. One method of installation allows for sections of new work platform system to be extended from an existing suspended work platform system. The system is also capable of supporting, without failure, its own weight and at least four times the maximum intended load applied to it.

Abstract: The present invention provides scaffolding erection methods. One method includes considering whether to attach a scaffold frame support to a building frame from inside, and alternatively, outside the building frame wall. Another comprises attaching a load distribution member to distribute transferred load to at least two wall studs. The present invention also provides scaffolding frame members. One is arranged for connection to a top plate from inside, and alternatively, outside a building frame. Another is a load distributor arranged for distribution across at least two studs of the building frame. The present invention also provides kick board and plank joiners.

Abstract: In one embodiment, a self-elevating platform lift for moving objects between a first level and a vertically-elevated second level is provided. The platform lift comprises: (A) a platform for supporting the objects; (B) a plurality of lift lines for connection at the second level and for moving the platform; and (C) a motor connected to move with the platform and wherein the motor operably is connected to the lift lines for moving the platform between the first and second levels while being supported by the lift lines.

Abstract: The invention includes a work platform and support system that includes a hub and joist configuration, wherein the hubs and joists are capable of articulation, or pivoting. One method of installation allows for sections of new work platform system to be extended from an existing suspended work platform system. The system is also capable of supporting, without failure, its own weight and at least four times the maximum intended load applied to it.

Abstract: A transfer platform for safely transferring a lineman from a helicopter to a utility pole includes a cylindrical hollow member dimensioned to closely fit over the top of the pole, the member having an open lower end and a top cap closing the upper end thereof, the top cap abutting the top of the pole when the member is positioned on the pole, a step extending sidewardly from the member, the step being substantially parallel to and lower than the top cap and an equipment support assembly extending sidewardly from the member. An aperture is formed in the member beneath the underside of the step and an adjustable shim assembly extends through the aperture into the hollow of the member.

Abstract: The invention concerns a scaffold element adapted to be removably attachable to a bridge, the scaffold element comprising support member for supporting the scaffold element onto an upper surface of the bridge and a support structure which is secured to the support members and which extends to a distance outside the edge of the bridge and to a distance below the bridge. The invention is characterized in that the scaffold element further comprises a longitudinally adjustable support bar pivotally connected to the support structure and being supportable against a lower surface of the bridge and adjustment means for adjustably attaching a vertical mould wall onto the support structure of the scaffold element at a distance outside the edge of the bridge for forming a mould between the wall and the bridge. Also a scaffold arrangement and method of use are disclosed.

Abstract: There is provided a suspendable maintenance platform for accessing a blade of a wind turbine. The platform includes arms for holding a maintenance unit, a frame onto which each arm is movably attached in a joint enabling planar movement, and means for supporting the frame in relation to the wind turbine tower. The maintenance unit is slidably attached to the arms that are configured for positioning the platform in relation to the blade, and wherein the frame is configured to be in close proximity to the turbine tower.

Abstract: The invention includes a work platform and support system that includes a hub and joist configuration, wherein the hubs and joists are capable of articulation, or pivoting. One method of installation allows for sections of new work platform system to be extended from an existing suspended work platform system. The system is also capable of supporting, without failure, its own weight and at least four times the maximum intended load applied to it.

Abstract: One embodiment of a work platform for a vehicle may include a support structure. The support structure may include an elongated hollow member configured by a plurality of hollow sections spaced apart from each other, and a plurality of connecting members extending from the plurality of hollow sections. The work platform may also include a plurality of pins, each having an annular head and a tail extending from the annular head. The plurality of pins may be received between the plurality of hollow sections for allowing the annular head of the plurality of pins to conform with the plurality of hollow sections of the elongated hollow member. The work platform may further include a shaft adapted to be received through the conformed annular heads and the plurality of hollow sections. Further, the work platform may include a plate member carried by the plurality of connecting members of the support structure.

Abstract: A scaffold arrangement for repairing the edge structure of a concrete bridge. A steel-structured bent comprises a vertical beam that can be anchored by support members to the upper surface of the bridge. The vertical beam extends to a distance above the upper surface of the bridge. An upper horizontal beam is rigidly secured to the upper end of the vertical beam and the horizontal beam extends substantially transversely relative to the longitudinal direction of the bridge and over the edge of the bridge. A vertical column is secured to the end of the upper horizontal beam. The lower end of the vertical column extends down from the edge of the bridge. A lower horizontal beam is secured to the vertical column and extends in alignment with the upper horizontal beam.

Abstract: A rigging, operable to raise and lower the platform, passes through a restraint device comprising a tension holder. The tension holder comprises a first body having a substantially planar face surface and a rear portion having a divot disposed therein. A second body, substantially similar to the first body; and having a substantially planar face surface; is disposed in a substantially facing arrangement with the first body to permit a line to pass between the substantially planar face surfaces. A lever is disposed in the divot of the first body and is operable to draw together the substantially planar face of the first body and the substantially planar face of the second body whereby friction can be selectively applied to the line when the line is disposed between the substantially planar first surface and said substantially planar second surface.

Abstract: A scaffold assembling of a large component for a boiler requiring inspection is not performed by a high-place work but assembled safely and in a short time. The scaffold is assembled to the large component for the boiler supported by a component supporting beam at the ground side before it is attached to a steel frame main-beam 16. Scaffold lifting/supporting beams interposing coil spaces of a superheater 14 are suspended on wires 36 lifted down from spaces of a ceiling tube wall 34 being a horizontal member of the superheater 14. The scaffold lifting/supporting beams 32 are lifted to raise little by lithe within the superheater, and scaffold components are assembled sequentially toward downward. After a required number of steps of scaffolds are assembled, the scaffold lifting/supporting beams 32 are coupled to the ceiling tube wall 34 to be supported. Finally, the superheater 14 is raised by a lifting means to install to the main-beam.

Abstract: A scaffolding system in which a platform or wall may be secured to a crosspiece supported by cables near an angled structure or in another difficult location. A platform is secured to the crosspiece horizontally, while a wall is secured vertically. The crosspiece may be an angle iron or pipe, for example. Also disclosed are clamps and clamping arrangements for securing the platform or wall to the crosspiece.

Abstract: An apparatus, system and method system are disclosed for supporting a user to facilitate accessing components in an elevated engine compartment. An apparatus for supporting a user to facilitate accessing components in an engine compartment has a platform for supporting a user and for resting on a tire. The apparatus also has a downward protrusion extending downward from the platform and having one or more steps.

Abstract: A multi-point suspended scaffold utilizes a pair of spaced scaffold frames, each of which is provided with suspension cables which support the scaffold from outrigger beams of a building. The two scaffold frames are connected to each other by wire mesh trusses. These wire mesh trusses incorporate guard rails, toeboards, and an object retaining mesh. Upper and lower cross braces are also secured between adjacent ones of the scaffold frames. The cooperation of the wire mesh trusses, the cross bracing and the use of secured footboards provides a suspended scaffold that is structurally rigid while being easily assembled and disassembled.

Abstract: A step apparatus is provided for use on a vehicle tire and includes a first step assembly which includes a first step portion and a pair of first struts extending upward from the first step portion. A second step assembly includes a second step portion. A pair of first bracket members partially support the second step portion, and a pair of second bracket members are telescopically adjustably connected to the pair of first bracket members. Hinge members are connected between the first struts and the front bracket portions. Locking means are provided for locking the first bracket members with respect to the second bracket members at a selected adjustment position, depending upon the width of the tire on which the apparatus is used. By adjusting the first bracket members and the second bracket members with respect to each other, the present apparatus can be used for a wide range of tires having a wide range of tire widths.

Abstract: A bridge module has a floor and two upright side sections, which are hinged to lengthwise edges of the floor. Each hinge is formed by two extrusion pieces that can be pushed into each other, and is made so that the side sections can only be folded towards the floor in a direction towards each other. Each side section is made of one extrusion piece, in which a section of the extrusion piece forms a section of the hinges. The edges of the floor are formed by girders, between which there is a plastic plate. The girders are each formed of one extrusion piece, which forms the other section of the hinges.

Abstract: The invention is directed to a suspended scaffolding apparatus mountable on wall for supporting a scaffold platform. The scaffolding apparatus includes at least attachment brackets, at least two vertical frame members, at least two support brackets, one or more braces and at least two detachable railing posts. The vertical frame members and associated support brackets may be selectively attached and detached from the attachment brackets which remain mounted on the top surface of the wall. The scaffolding apparatus can thus be conveniently installed at any time to permit work on the roof of the building.

Abstract: A portable scaffolding device which may be suspended from a windowsill or other support structure. Such devices may comprise a basket and one or more suspension supports such that the basket portion may be suspended above the ground by way of the suspension supports. In some embodiments, portions of the suspension supports may engage portions of the windowsill and one or more bumpers may be included which can both provide additional lateral stability as well as to prevent damage to the structure or windowsill.

Abstract: A device for enabling access to a structure above ground or sea level, in particular a rotor blade of a wind turbine, by lowering and/or lifting the device in relation to the structure, the device including a frame structure,—means for supporting the device in relation to the structure, and—means for lowering and/or lifting the device in relation to the structure, where at least part of the frame structure includes a track portion, the track portion being adapted to guide an, in relation to the track portion, movable object along the track portion, where the means for supporting the device in relation to the structure are configured for positioning the device in relation to the structure, and the means for supporting the device in relation to the structure are configured for facilitating a movement of the device essentially in the longitudinal direction of the structure.

Abstract: Safety installation for the edge of a roof consisting of a number of vertical uprights, with horizontal fencing/railing, to be fitted close to the edge of the roof, for example in a gutter, each upright being provided with an arm that extends downwards therefrom in the use position and is provided with a support point. There is an auxiliary arm that is provided with an engagement surface that engages underneath the edge of the roof. This auxiliary arm can be fixed to the arm such that it can hinge and locking means can be present for securing the non-locking position to facilitate dismantling.

Abstract: A machine-liftable, open-framework, cage-like transporter for lifting and maneuvering horizontal structural beam elements, and the like, to appropriate installation elevations at and from the side of a plural-story building frame which is under construction. The transporter acts as a building-frame construction aid in the form of a worker-carrying, liftable, open-cage transporter including a volume-defining cage in which one or more worker(s) can station and ride, with this transporter possessing an overhead, fully exposed-from-below, support deck on which structural frame components, such as beam components, can be placed and supported in horizontal dispositions for lifting by the transporter to the appropriate elevation(s) in an emerging building frame which is being assembled. The open, overhead framework of the transporter promotes easy conveyance of such beam components to appropriate heights for delivery, precision aligning, locating, positioning and assembly within a building frame.

Abstract: A storage facility has a frame having a pair of first and second opposed parallel spaced apart elongated frame elements. The frame members each include means for attaching the frame to a horizontal ceiling. A cable support element is positioned at each end of each frame member. An elongated rotatable shaft has a first end connected to an intermediate location on the first frame member, and a second end connected to an intermediate location on the first frame member. A drive mechanism is connected to the shaft to control the rotational position of the shaft. A number of cable portions each have a first end secured to a respective end portion of the shaft. Each cable portion has an intermediate portion received by a respective cable support member, and a free end extending downwardly from the support member. A platform is connected to and supported by the free ends of the cables, and operates to elevate or lower in response to rotation of the shaft by the drive mechanism.

Abstract: A transfer platform for safely transferring a lineman from a helicopter to a utility pole includes a cylindrical hollow member dimensioned to closely fit over the top of the pole, the member having an open lower end and a top cap closing the upper end thereof, the top cap abutting the top of the pole when the member is positioned on the pole, a step extending sidewardly from the member, the step being substantially parallel to and lower than the top cap and an equipment support assembly extending sidewardly from the member. An aperture is formed in the member beneath the underside of the step and an adjustable shim assembly extends through the aperture into the hollow of the member.

Abstract: The present invention is directed to a boarding platform for a boat that includes all of the stability of a permanent swim platform as well as the capability of being adjusted and adapted so that it can be set up at virtually any location on the boat. The boarding platform requires no additional hardware and affords the convenience of easy set up, removal, and storage.

Abstract: The purpose of the present invention is to provide access to some outside portions of a vehicle that is difficult to reach. The solution provided consist of two steps temporarily attached to a vehicle tire and supported with webbing material and pressure activated hangers.

Abstract: A modular system for use in a vehicle comprising a hanger bracket adapted to be secured to the vehicle. A second hanger bracket member is slidably connected with a first hanger bracket. A platform member extends transverse to the second hanger bracket member. An extension is slidably disposed on the platform. The extension defines a first groove thereon. The extension defines a second groove thereon. A top deck panel is disposed adjacent the first platform extension section and is disposed in the first groove. A bottom deck panel is disposed adjacent the second platform extension section and is disposed in the second groove. The modular system can provide many functions in the vehicle such as, luggage racks, HVAC ducting, wiring raceways, lighting, advertising panels, and window blinds.

Abstract: A shelf-like platform which is mountable to the side of the seat of a hunter's existing, commercially manufactured tree stand. The invention consists of a shelf-like platform, a stabilizing bar and connecting devices, such as brackets, U-bolts and wing nuts. The platform is used to set items on while the user is in the stand. The connecting devices are used for holding the device into place on the side of the existing tree stand's seat. The stabilizing bar secures the platform in place and keeps the platform level.

Abstract: A platform lift apparatus enables the safe movement of objects to and from an attic storage space. The platform lift apparatus includes a frame, a drive mechanism, and a platform. The frame includes internal and external mounting surfaces. The drive mechanism is substantially disposed within the frame and is coupled to the internal mounting surfaces. The drive mechanism includes a plurality of rotatable, parallel shafts with each shaft further including at least one lift drum having an associated lift tether at least partially wound thereon and having an end hanging therefrom. The platform is coupled to each lift tether end and is thereby suspended from the frame. The platform is selectively movable by operation of the drive mechanism within in a vertical dimension between raised and lowered positions. The drive mechanism further comprises an electric motor operatively coupled to the plurality of parallel shafts.

Abstract: A support bracket securing to a vertically extending wall stud and providing cantilevered support of a horizontally disposed plank. An elongated and reinforced support surface includes first and second ends. A channeled base extends from the first end and includes first and second spaced apart sides through which are defined aligning apertures. Upon aligning the sides in seating fashion over a selected wall stud, a mounting fastener enters through a selected aperture in the first side, through the wall stud, and exits through a further selected and aligning aperture in the second side. A first abutment stop projects from a first location of the support surface, a second abutment stop projects from a second spaced apart location and defines, in combination with the first stop, a seating area for receiving the plank.

Abstract: A suspended scaffold, which hangs from the wall plate within a frame structure, has two hangar brackets attached to the wall plate. Each bracket has an outer retainer bar for insertion between the wall plate outer face and an adjoining sheathing panel. A cooperating clamp portion has a cross-bar lying upon the top face of the wall plate and a downwardly extending load bar and extension piece having a forwardly projecting braced foot which carries the platform lumber. Pivotal links connecting the clamp portion with the extension piece enable clamp opening/closing, and include disabling and safety locks that are engaged by the extension piece. The braced foot portion, which has a plank-retaining toe, can be folded up when free of platform lumber.

Abstract: A suspended table assembly includes a first support and a second support that are vertically spaced from each other. A plurality of legs is provided. Each of the legs has a first end and a second end. Each of a plurality of first brackets is pivotally coupled to one of the first ends. The first brackets are attached to the first support. A plurality of second brackets is also provided. Each of the second brackets is pivotally coupled to one of the second ends and each of the second brackets is attached to the second support.

Abstract: An elevator is described, comprising a first series connected pulley set installed in a fixing frame, a carriage located below the first series connected pulley set, a second series connected pulley set installed on the top of the carriage, a rotary wheel installed in the carriage and a steel rope. The steel rope connects the first series connected pulley set, the second series connected pulley set and the rotary wheel, so that the gravity load of one pulley set can belowered to decrease the pulling force of the steel rope to enhance the safety of the elevator.

Abstract: A work platform for a lighting operator or a cameraman is described, which has a mounting for the apparatus to be operated and a seat for the operator. The work platform consists thereby of foldable sidewalls, which in a transport position lie parallel with the floor and receive frame parts below themselves, which serve to complete the entire work platform.

Abstract: A suspended step assembly that is attachable over the tire of a motor vehicle and which can support a mechanic working in the engine compartment. It has a frame that can be broken down into sub-parts for compact storage in a motor vehicle, is easy and fast to assemble and disassemble, is adjustable to differing tire widths, has an upper configuration that securely hooks over the top of the tire, has a strong and simple closed-loop tubular structure that resists parallelogram deforming while under load, has a step that is secured into a fixed position on the frame without fasteners, and has a bottom stirrup under its step. Applications may include, but are not limited to, use by mechanics to more easily and efficiently perform engine work, and use by those needing to clean or otherwise have access to the upper portions of high-profile vehicles.

Abstract: A work stage includes a work platform having first and second sides and a cross-beam, a first support part supporting the work platform and a counter-support disposed at the first side. In addition, the work stage includes a first holder including a bolt and attaching the work platform to the first support part and enabling the work platform to rest against the counter-support. A first vertical strut is disposed essentially at a right angle to the cross-beam, a second holder is disposed on the second side and configured to hold the work platform, a tie rod is connected at one end to the second holder and at the other end to the vertical strut, and a second vertical strut is disposed parallel to and at a distance from the first vertical strut and configured to receive at least one transverse strut. The first vertical strut and the crossbeam are bearing mounted at the first holder so as to pivot simultaneously around the bolt.

Abstract: An apparatus and method that attaches to a tire and supplies a step to enable access to the engine compartment or rooftop of a vehicle is provided. The apparatus is adjustable to better fit with a variety of different sized tires. The apparatus is also adjustable to allow the apparatus to rest at different height locations on the tire. Additionally, the tire step can be folded for easier storage.

Abstract: A device having multiple support members telescopically contained therein, with each member having a set of lights, a set of curtains and various compartments for numerous stage accessories and allows for quick change of the lights and curtains that are used for different sized stage settings.

Abstract: A rigid, unitary ladder is provided having one end configured to be attached to a powerline support tower after the ladder is dropped by helicopter to a lineman previously offloaded onto the tower. The ladder includes a first section which extends outwardly from the tower and a second section which extends at an angle at least equal to ninety degrees from an end of the first section to a base which is configured to rest on the powerline, the angle being defined between the undersides of the first and second ladder sections. The first section is of a length sufficient to space the base a distance from the tower which is beyond the flashover area around the tower.

Abstract: The present invention is an improved, portable structural system which employs braces that are adapted to engage supporting lengths of construction material such as standard 2×4 studs or standard pipes. The braces have two spaced upper and lower inboard fittings which mount to supporting lengths of construction material. When the upper and lower inboard fittings are clamped to supporting lengths of construction material, horizontal supports of the braces can support a plank or a panel which can be used by a worker as a scaffold, shelf or workbench. The braces may also have outboard fittings for attaching to vertical lengths of construction material for supporting the outboard ends of the braces.

Abstract: A step apparatus (10) is provided for use on a vehicle tire and includes a first step assembly (12) which includes a first step portion and a pair of first struts extending upward from the first step portion. A second step assembly (18) includes a second step portion and a pair of end bracket members extending downward from the second step assembly. Each of the end bracket members includes a front bracket portion and a rear bracket portion. Hinge members (28) are connected between the first struts and the front bracket portions. A pair of pawl assemblies (30) are connected to the rear bracket portion. When the tire step apparatus is installed on a tire, a person can step up on the first step portion and the second step portion. Each of the first struts includes a stop member for contacting the tire when the apparatus is installed on the tire. Each of the pawl assemblies includes a pawl hinge connected to one of the rear bracket portions. A pawl plate is connected to the pawl hinge.

Abstract: A suspended scaffolding system and method of use employs a plurality of scaffolding brackets that are hung from the framework of a building under construction to support a plurality of scaffolding planks to form a walkway therebetween. The scaffolding brackets include an anchor assembly, which is specially designed to wrap around the building's framework such that construction workers can complete their work without removing the brackets.