Abstract: A barrier assembly includes an upright frame that supports a barrier including a pair of slidably coupled barrier members that are adjustable in length and are supported by a stirrup as well as the frame. The frame attached to the barrier members to support the barrier members is able to attach to a supporting surface. The frame extends upwardly from the supporting surface to support the barrier members at a position spaced from the supporting surface. The frame has a clamp device that engages the members to prevent sliding movement between the barrier members and thereby removably fixes the barrier members at a desired length and fixes the barrier members to the frame.

Abstract: Work platforms are generally discussed herein for providing expanded work space for their users with specific discussions extended to portable work platforms that are mountable on vertical or horizontal poles and the like, such as utility poles, for expanding useful work space. The portable work platform has a deck attached to a base by a beam, which is made from a non-conducting material. A strap assembly having a webbing is connected to the base and configured for use with a ratchet mechanism to tension the webbing around a pole to mount to the platform. The beam enhances electrical isolation between the deck and the base.

Abstract: An apparatus for providing safe access to a top of a mobile container. The mobile container has a top, a longitudinal dimension, and a plurality of hatches arrayed along the longitudinal dimension on the top. The apparatus has a raised platform and an extended cage attached to the raised platform wherein the extended cage extends along the longitudinal dimension. A tracking gate, attached to the extended cage, is adapted to vary an effective interior size of the extended cage.

Abstract: A truck mounted telescopic boom structure including a stowable jib boom having a stowable personnel basket mounted thereon is described. A mounting structure is provided at the outer end of the innermost boom section of the boom structure and includes means for pivotally moving a work platform or basket between operative and stowed positions. When the boom structure and the jib boom are in their stowed positions, the personnel basket is positioned closely adjacent the jib boom at one side thereof so as to be within the highway width restrictions. The personnel basket is connected to the outer end of the jib boom at all times without the necessity of removing the personnel basket from the jib boom when the jib boom and the boom structure are in their stowed positions. The width of the personnel basket is adjustable between a first collapsed position and an expanded position.

Abstract: A self-propelled elevating work platform comprises a first workbench, a second workbench and a third workbench enclosed and connected on a conical column from the bottom to the top sequentially. Each workbench comprises at least two supporting frames which can be connected to form a circular shape. Retractable elements are disposed between any two of the adjacent workbenches. An anti-slip element is disposed on an inner side of each of the supporting frames, and each of the anti-slip elements can move radially relative to the conical column. Thereby, when any two of the workbenches are fixed by the anti-slip elements, the other workbench can be driven by the retractable elements to move up and down. Each of the workbenches can be pulled or pushed in order to move up or down gradually, so that the worker on the third workbench can work on the surface of the conical column.

Abstract: A modular platform system utilizing a number of components including a platform. The platform is configured so that each of the components may interchangeably connect to any side of the platform. The components include, for example, handrails and stairways, as well as other platforms. The platform and most of the components are formed from single, continuous pieces of metal.

Abstract: A toeboard system for scaffolding has telescoping, articulating, and interlocking members. The telescoping member has inner and outer sleeves configured in telescope arrangement for linear extension of the inner sleeve. Connecting brackets are positioned between the telescoping member and the articulating member to facilitate rotational positioning of the articulating member. In addition, the telescoping member and the articulating member, respectively, include a mounting structure and a receiving structure, which are configured to interlock one toeboard system to another toeboard system. Alternative toeboard systems with the mounting structure and the receiving structure but without telescoping members or articulating members are also disclosed.

Abstract: A printing tower of a press can be divided into two side frames. A platform can be moved in a vertical direction between the two side frames. A securing device is provided and is constructed as a crash safeguard and is configured such that the securing device can be moved, together with the platform, in the vertical direction. The securing device can also be moved relative to the platform. A method for providing a platform of a printing tower of a press is also disclosed, which press is divided by one movable side frame being moved relative to another side frame. As a result, an intermediate space is provided. A lifting device is arranged in the intermediate space and may be released by the displacement conveying the platform into the intermediate space in the vertical direction into a desired position. Following the displacement of the mobile side frame, the securing device is moved relative to the platform and the securing device, together with the platform, can be moved in the vertical direction.

Abstract: A scaffold and method(s) for installing or removing such a scaffold that is constructed of at least two vertical frames and of at least two connecting elements that extend essentially horizontally, in each instance, includes at least one connecting element serving as a hip and/or back railing element, vertical supports having respective effective lengths essentially corresponding for example to the vertical distance of the attachment position for the hip and/or back railing element, and horizontal arms set onto one another to form transverse rungs, in each instance, of a ladder for allowing a person to climb up.

Abstract: A hinged docking platform may include a base having a planar surface configured to support a user while suspended adjacent to an elevated unit. The base may be coupled to an elevated unit via a hinge. The hinge may enable a rotational transition of the base between a substantially vertical orientation of the planar surface as a closed position and a substantially horizontal orientation of the planar surface as an open position. The base may also include a guard rail extending around at least a portion of a perimeter of the base where the guard rail protrudes above the base when the base is in the open position. In some aspects, a ladder may be coupled to the base to enable access to the base when the base is oriented in the open position. In further aspects, a biasing component may be coupled between the elevated component and the base to bias the base during the rotational transition between the closed position and the open position.

Abstract: Maintenance platform with detachable elements to facilitate its placement at any point of the ladder inside a wind turbine tower. The platform comprises a horizontal surface (1) with side skirting (4) to prevent the fall of objects, tensionable elements (5) that support it, anchors (2), secured by pins (3) to any rung on the ladder and a railing (9) anchored to the platform and reinforced by intermediate bars (14) and a plate (15). The work surface on the platform suffices for a worker and the corresponding maintenance tools.

Abstract: Safety structure for a roof and more particularly a flat roof. The former includes an engagement structure. The engagement structure provides an attachment element to which a part to be safely attached to the roof, such as the belt of individuals present on the roof, a railing or the like has to be attached. According to the present invention, this attachment element is attached to a thickening and more particularly to a profiled section. This thickening is accommodated in a folded-over part of roof covering material and is situated in the folded-over part thereof. This roof covering material is attached to the existing roof covering by torching or gluing.

Abstract: An aircraft loader including a bridge platform, an elevator platform and a barrier system is provided. The barrier system has first and second guiding elements respectively attached to the bridge platform on each side thereof, and first and second supporting elements respectively mounted on a corresponding side of the elevator platform. The barrier system is provided with an inverted-U-shaped element having first and second legs and a transverse element extending therebetween, each of the legs being slidably mounted inside a corresponding guiding element and cooperating with a corresponding supporting element adapted for supporting the legs and driving the inverted-U-shaped element with the elevator platform.

Abstract: A removable handrail system for recreational vehicles and similar vehicles is herein disclosed, located and installed along side steps of said vehicles and used to access the door or other similar location. It is intended for use on motor homes, fifth wheels, travel trailers, truck campers and virtually any vehicle which utilizes one (1) or more steps for access and comprises a hitch-like receiver assembly that mounts on the side of the step assembly directly underneath the door or upper platform. The handrail slides into the receiver and is secured via a locking bolt. The handrail is adjustable to compensate for varying grades. When fully installed, the device is supported at two (2) points and forms a very stable handrail for entering and exiting the vehicle. It is quickly installed and removed with a minimum of tools and can be stored in a narrow storage compartment when not in use.

Abstract: Embodiments of the disclosure provide a safety rail. The safety rail may include a body disposed on first and second adjustable boots. The first and second adjustable boots may be adapted to secure the safety rail to an excavation support structure. The body may include a lower rail connected to the first and second adjustable boots.

Abstract: Described herein is a tree stand that includes a platform that substantially surrounds a trunk of a tree, a chair that moves from one end of the platform to the other, and a seat that swivels. This tree stand allows the hunter to have an unobstructed 360 degree view whereby he or she may see game in all directions. The tree stand may also include steel teeth, ratchet straps, columns, and a ladder to provide support for the platform. The platform is adjustable to various elevations on the tree.

Abstract: An elevated hunting stand includes a ladder assembly and a platform assembly. A pair of vertical uprights is connected to the platform at a front portion of the platform. A pair of vertical uprights is connected to the platform at a rear portion of the platform. A pair of horizontal stabilizer members is attached to the vertical uprights. A pair of enclosure gates is attached to the vertical uprights. The vertical uprights, the horizontal stabilizer member, and the pair of enclosure gates form an enclosure on the platform. The enclosure gates are movable from an open position to a closed position.

Abstract: A work platform unit (1) mountable to a ladder (3) the unit including a platform (2) upon which a work person may stand and which is adapted for mounting to the upper end of the ladder (3) such that when the ladder is located in a position of use the platform (2) may be set to a horizontal position, and a safety barrier construction for providing all round safety protection to a person when standing upon the platform, the safety barrier construction involving a framework (22) upstanding from the perimeter region of the platform (2) and incorporating a gate arrangements (42,43) such that when closed the framework (22) effectively totally surrounds a person when present upon the platform (2) to provide said all round protection.

Abstract: A collapsible platform assembly for an extension ladder includes a platform that is rotatably connected to a rung of an extension ladder near the top. In a storage or retracted position, the platform is generally co-planar with the ladder; In a use position, the platform can be extended and directly supported by the roof. The platform acts as a rigid support for the top of the ladder and does not deflect under load An upper portion of the side rails act as “grab rails” when the platform is in an extended position, allowing the user to hold on and walk through the top of the ladder and onto the platform when the collapsible platform assembly is in an extended position. One or more retractable hand rails are provided for added safety for use when the user moves onto the platform.

Abstract: An operator cage (6) for a machine such as a mobile elevating work platform comprises a base unit (22) and a fence assembly (25), a control console (32) and a load sensor (46) that is constructed and arranged to sense an external load applied to the console. The console (32) is mounted for pivoting movement and the load sensor (46) is constructed and arranged to detect movement of the console from an unloaded condition to a loaded condition.

Abstract: A heli-hoist platform that is an integral part of the nacelle is disclosed. A floor of the heli-hoist platform is formed by a roof of the nacelle. The floor of the heli-hoist platform may include a nonslip surface. The floor of the heli-hoist platform may include an entrance to the nacelle.

Abstract: An A-frame ladder has a first ladder and a second ladder. The first ladder has two rails interconnected by a plurality of steps and a first set of grooves that receive a gate/barrier device to inhibit a person from using the first ladder's steps. The second ladder also has two rails interconnected by a plurality of steps and a second set of grooves, interconnected to the first set of grooves, that receive the gate/barrier device so the first ladder and the second ladder can be used and inhibits a person from entering the area between the first ladder and the second ladder through the second ladder's steps.

Abstract: A safety apparatus for releasably securing persons wearing a body harness to scaffolding is provided. The scaffolding has a plurality of horizontal and vertical bars. The safety apparatus comprises a front frame assembly releasably securable between a first two adjacent bars of the scaffolding. A rear frame assembly is releasably securable between a second two adjacent bars of the scaffolding with the rear frame assembly spaced from the front frame assembly. A cable is retractably connected between the front frame assembly and the rear frame assembly with the body harness releasably connectable to the cable.

Abstract: An MLP assembly and method for supporting and providing access to railroad signals. The MLP assembly may comprise a mast, one or more platform assemblies attached to the mast, and one or more ladders attachable to the mast and/or the platform assemblies. The MLP assembly may also comprise F-brackets and ladder supports for supporting the ladders relative to the mast. The MLP assembly may be placed in a folded configuration for transport thereof or an unfolded configuration for installation. The ladder supports and/or elements of the platform assemblies may rotate toward the mast into the folded configuration and may rotate away from the mast into the unfolded configuration. The MLP assembly may also comprise a plurality of stacking brackets configured for stacking a plurality of MLP assemblies on top of each other for transport to an installation site.

Abstract: A modular platform system utilizing a number of components including a platform. The platform is configured so that each of the components may interchangeably connect to any side of the platform. The components include, for example, handrails and stairways, as well as other platforms. The platform and most of the components are formed from single, continuous pieces of metal.

Abstract: A guard rail support and assembly is disclosed for use in providing a safe work area for workmen working at dangerous heights, particularly in the construction industry. The guard rail support assembly comprises a plurality of guard rail supports arranged in a spaced fashion and wooden guard rails extending between and attached on either end to each support. Each guard rail support comprises an attachment base having quick fastening means for quick attachment and release of the support to a ground surface of the site under construction, a plurality of rail supports having quick fastening means for quick attachment and release of the wooden guard rails and a fall-protection or tarp tie-off ring. Advantageously, a portable and lightweight guard rail assembly may be constructed with the guard rail supports in an expedient and efficient manner to provide safe, unobstructive protection against falls.

Abstract: An apparatus for providing safe access to the upper surface of a mobile container. The apparatus includes a pivoting handrail system having a walk surface, a first set of rails and a second set of rails both capable of being raised and lowered between a raised access position and a lowered stored position, a first pull for raising and lowering the first set of rails, a second pull for raising and lowering the second set of rails, and a support device for supporting the walk surface and attaching to the mobile container. An access such as a ladder may be attached to the pivoting handrail system to provide access to the pivoting handrail system.

Abstract: A mast lift includes a base, a platform, and a lifting assembly connected between the base and the platform. The lifting assembly moves the platform between a lowered position and a raised position. A threaded driving rod is connected between the base and the lifting assembly, and a gas strut acts between the base and the lifting assembly and biases the lifting assembly and the platform toward the raised position.

Abstract: A mounting for a support post of a safety system has a cylindrical stem to be removably received in a cylindrical socket of an anchor device to be secured to a structure, and a connector enabling connection to the support post of the safety system. The connector is articulated with respect to the cylindrical stem to be adjustable over a range of attitude orientations with respect to the cylindrical stem and a securing device secures the connector at a specific attitude orientation with respect to the cylindrical stem. The mounting may be used in a safety guardrail system for working at height, with a vacuum anchor and a support post to which the guardrail is mounted. The support post is mounted to the vacuum anchor by the articulated mounting to enable the orientation angle of the support post to be adjusted with respect to the anchor device.

Abstract: Mobile scaffolding units include a vehicle for movement across ground surface, a stationary platform rigidly fixed to the vehicle at a predetermined immovable height above the ground surface, and a gantry platform operatively connected to the stationary platform for movements between a retracted position where the gantry platform is nested adjacent to the stationary platform, and an extended position wherein the gantry platform extends laterally outwardly from one or another lateral side of the stationary platform to provide an operator on the gantry platform an extended horizontal reach laterally of the vehicle. The mobile scaffolding units allow an operator to work at elevated heights and with lateral reach in one area of a work zone (e.g., to trim roadside vegetation) and then move to another area of the work zone without requiring an operator to dismount from the gantry platform.

Abstract: A safety cage improves the safety of workers servicing tanker vehicles having top side hatches. A part or parts of the cage can be repositioned to permit the hatch cover to be opened and then can be returned to a safety enhancing position.

Abstract: A tray 100 for a tripod deer stand comprising two components 110, 111 wherein the first component 110 includes an inside width 140 that is greater than the second component 111 outside width 143 such that the second component 111 may slide within the first component 110, and wherein the first component 110 is adjusted in relation to the second component 111 to multiple desired overall tray widths 154 between a maximum width FIG. 2C and a minimum width FIG. 2A dependent upon the lengths of the first component 110 and the second component 111. At least two support brackets 160 and hardware 180 are included for securing the first component 110 with the second component 111 for a desired width, for securing the first and second component 110, 111 with the at least two support brackets 160, and for securing the support brackets 160 with the tripod deer stand.

Abstract: A hunter's tree stand for attachment to a tree includes two major components: a support frame and a seat assembly removably and rotatably mounted to the support frame, wherein the seat assembly comprises a seat and a foot platform.

Abstract: A modular construction kit adapted to construct both a hexagonal and an elongate linear shaped horizontal free-standing temporary viewing platform and combinations thereof, the modular construction kit comprising a plurality of components adapted to be attachable and detachable from each other whereby the temporary viewing platform can be readily constructed and taken apart, the plurality of components comprising: a plurality of support legs, each support leg being at least six feet long; a plurality of floor plates, comprising at least six floor plates having an equilateral triangular shape or an isosceles trapezoid shape; a plurality of handrail elements adapted to be mounted around a circumference of the temporary viewing platform for preventing a user from falling over an edge of the temporary viewing platform; and at least one stair frame adapted to be mounted to the temporary viewing platform whereby a user can climb the stair frame to access the temporary viewing platform.

Abstract: A guardrail system and method comprises utilizing at least one through-hole of a poured concrete wall of a structure to affix a stanchion to the wall inside a bay of the structure. The stanchion allows for a guardrail to be conveniently and securely positioned within the bay without damage to the structure and without covering an edge of the structure. A fastener inserts through the through-hole which is preferably a pre-existing tie-hole resulting from formation of the wall. In one optional aspect a guardrail stanchion includes a base segment having at least two slots for receiving fasteners which insert through two tie-holes of the wall, and at least one side segment having at least one adjustment port, the side segment extending generally perpendicular to the base segment. A pair of stanchions may be affixed to opposing walls within the bay, and guardrails affixed thereto and spanning across the bay.

Abstract: An apparatus for providing access to vehicles and containers on a pair of railways or thoroughfares. The apparatus is comprised of a raised walkway between the pair of thoroughfares having a tracking platform movable thereon. Pivotally attached to and carried by the tracking platform is a turret. Carried on the turret and hinged thereto is a bridge that is rotatable in a vertical plane. At the end of the bridge is a cage pivotally attached to the bridge so that the cage remains horizontal when the bridge is rotated vertically on the turret. The bridge and cage are dimensioned so that, when the turret is rotated such that the bridge is directed between and parallel to the thoroughfares and the bridge and cage are raised, the apparatus is entirely out of the clearance envelopes of the thoroughfares.

Abstract: A platform for an aerial lift enables unobstructed access to a work area adjacent the platform. The platform includes a floor structure with front and rear sides and ends, and a safety rail disposed along at least the front side. The safety rail includes an entry gate. A lift gate is pivotably attached to the safety rail and pivotable between a closed position and an open position. The lift gate includes a gate rail extending along the rear side of the floor structure and a pair of lift rails connected between the gate rail and the safety rail. The gate rail is pivotable relative to the lift rails between an extended position and a retracted position. In this manner, the lift gate can be raised without the gate rail impacting the work surface.

Abstract: Disclosed is a modular platform comprising a horizontal frame that is made of four angle irons and is devised and sized to receive and support a grid on which one or more persons can stand. Four supporting legs, each made of an angle iron, are respectively connected to the four corners of the frame, and extend below the same in order to maintain it at a distance from the ground. Reinforcing pieces are positioned below the frame and connected to the supporting legs for reinforcing the platform. The platform also comprises at least two thin holding bars extending horizontally between two opposite sides of the frame, in order to support the grid on the frame while preventing it from staying directly on the angle irons forming the frame. Each supporting leg has a lower end provided with a supporting foot that is adjustable in height, and has a lower end of a round shape to reduce the contact surface with the ground. The platform structure makes the platform very easy to clean.

Abstract: The invention relates to dismantlable scaffolding comprising accessible platforms on a plurality of levels and a multitude of vertical supports carrying said platforms. Said vertical supports preferably consist of several sections which can be fixed one on top of the other, are arranged at a distance from each other, and are preferably connected by means of platform bars at predetermined vertical distances. Said supports carry perforated anchor plates at predetermined vertical distances. Connecting railing elements can be applied to adjacent vertical supports. In order to apply at least one railing element above a platform, at least the highest railing elements of a level can be applied to the associated perforated anchor plate by means of a railing adapter element. When applied to the perforated anchor plate, said adapter carries a railing holding element above the anchor plate.

Abstract: A toeboard system includes toeboards of a cross section and an end configuration to assist in defining a locking corner connection of two toeboards at a scaffold upright. The system includes a toeboard clamp securable to a scaffold upright with projecting latch fingers for engaging two overlapped partially nested toeboards or two toeboards forming a generally perpendicular corner connection. A latch finger of the toeboard clamp engages a slot or port in the toeboards adjacent an end thereof to positively maintain toeboards in a perpendicular connection.

Abstract: A scaffolding side frame (10) has at least one generally horizontally extending tube (11), a pair of vertically extending side tubes (12) depending from the horizontal tube, and four fastening members (17), one adjacent each corner of the frame, for securing the side frame to a respective adjacent structural element of an associated scaffold structure so that the upper part of the side frame provides a safety rail for an operator standing on a support platform of a given level of a scaffolding structure and the lower part of the side frame extends below the support platform of said given level of the scaffold structure. The two lower fastening members are hook-shaped and the hooks have a fastening latch (19). The latch (19) is displaceable to a retracted position in which the hook can be snapped over the adjacent structural element of the structure.

Abstract: The present invention relates to a device for personal protection at such scaffolds that consist of scaffold posts (5, 6) and lying scaffold elements (7, 8, 15), coupled between the posts. The protective device consists of two protective post (26, 27) and a protective rail (32) with a variable length that extends between the protective posts. The protective rail is equipped with joint devices in their ends for a joined connection between the protective posts. The protective posts are equipped with coupling devices (28-31) for releasable connection with the scaffold. Thus the protective posts and the associated protective rail may gradually be moved between different vertical positions due to the need for protection.

Abstract: An apparatus for providing safe access to a top of a mobile container. The mobile container has a top, a longitudinal dimension, and a plurality of hatches arrayed along the longitudinal dimension on the top. The apparatus has a raised platform and an extended cage attached to the raised platform wherein the extended cage extends along the longitudinal dimension. A tracking gate, attached to the extended cage, is adapted to vary an effective interior size of the extended cage.

Abstract: A weld-free scaffold for suspending from the top of a wall includes inverted L-shaped hangers with hooks on horizontal top arms thereof for engaging the top of the wall, feet on the bottom ends of the vertical arms of the hangers for extending between studs for stabilizing the scaffold, horizontal support bars extending outwardly from the hangers for supporting platform planks, adjustable stops on the bars for locking planks in position, and a railing defined by posts mounted in the outer ends of the bars and rails detachably securable to said posts.

Abstract: An elevator work deck for use during elevator construction including a first support having a top surface and a bottom surface, and a second support having a top surface and a bottom surface. There are means for positioning the first support and the second support in abutting edge to edge relation so that the top surface of the first support and the top surface of the second support define a planar horizontal working surface when assembled in an operative position. Fastener receivers are positioned on the bottom surface of each of the first support and the second support. There are clamping fastener assemblies engaging the fastener receivers to clamp the first support and the second support to elevator car sling structural beams.

Abstract: A platform assembly (10) is provided having a framework (12) comprising: a plurality of connector nodes (16), each of which has a single leg (18) extending downwards therefrom. A plurality of frame bars (20) extend between the connector nodes (16) and connect thereto by frame ends attached to either end of each frame bar (20). A plurality of platform boards (14) are supported on said framework (12). The platform assembly (10) may have a number of layers (A, B) of framework interconnected to one another in a vertical orientation through the connector nodes (16) and legs (18).

Abstract: A system of increased safety when performing work using a ladder is described. The system includes a ladder bracket for temporarily attachment of a ladder to a structure to stabilize or secure the ladder. The bracket is easy to install and acts to limit or prevent slippage of the ladder laterally or away from the structure and generally promotes a greater margin of safety. In addition, the system includes a bracket for temporarily, yet securely, attaching a safety railing to a ladder.

Abstract: A multi-level fall protection system for a structure under construction, the structure having reinforced concrete decks including a first deck and a second deck arranged above the first deck and openings provided in the decks. The system includes bearing plates arranged in an associated opening in the first deck and having a flange portion larger than the associated opening. Lateral support blocks are arranged in an associated opening in the second deck. Vertical support posts are detachably secured at a bottom portion to an associated bearing plate and extend upwardly through an associated opening in the second deck. The vertical support posts are supported laterally by the lateral support blocks. At least one flexible support line extends between and is coupled to a pair of the vertical support posts.

Abstract: A work deck configured for use within an elevator hoistway is provided. The work deck includes a platform having a plurality of planks. A plurality of telescoping assemblies is pivotally connected to one end of the platform, the telescoping assemblies each configured to span the elevator hoistway such that a first end of the telescoping assemblies seats against a building floor and a second end of the telescoping assemblies seats against a hoistway structure. A ladder has a first end and a second end. The first end of the ladder is pivotally connected to the platform and the second end is pivotally connected to the first end of the telescoping assemblies. The platform is configured to provide a work deck for personnel for use within the elevator hoistway. The work deck can be folded into a substantially flat package for ease of shipment.

Abstract: This maintenance trolley (17) for the air intake (9) of the nacelle of an aircraft turbojet engine is notable in that it comprises a base (19) and a platform (23) cantilever-mounted on this base (19) and designed to enter said air intake (9) without contact therewith.