Abstract: A system is provided for use with an insulated boom section of a bucket truck. The system includes a source of high volume and pressure, dry air; one or more interior air diffusers connected to the source of high volume and pressure, dry air to direct the air into an interior of the insulated boom section. One or more exterior air diffusers connected to the source of high volume and pressure, dry air direct the air to along an exterior surface of the insulated boom section. A method is also provided for cleaning or drying both the interior and exterior surfaces simultaneously of an insulated boom section of the boom of a bucket truck. The boom of a bucket truck is further provided in another aspect that includes at least one insulated boom section, a source of high volume and pressure, dry air, one or more interior air diffusers and one or more exterior air diffusers. A pre-heating air heater may be removably mounted into the boom.

Abstract: An overspeed brake system is described to engage a safety cable and subsequent brake system once a threshold speed is reached. An overspeed safety kit may be installed on an elevator system or lift car, to identify a threshold speed and engage a brake lever to activate a braking system. One or more brake engagement devices may be applied to limit the force on the brake lever during a fall, thereby preventing potential damage to brake components, while cushioning the deceleration.

Abstract: A hoist system having a drum primarily self-contained within a batten, for raising and lowering lighting, sound equipment, curtains and the like, often in a performance environment. The compact system is highly scalable to a variety of spaces and applications, including school and public theaters and concert halls, as well as some homes, private business, etc. The hoist system may be adapted with safety mechanisms including an overspeed detector, which may comprise a centrifugal detection mechanism coupled to an elongate member of the system; dampening means; a compact mechanism for trimming or adjusting an operative length of elongate member; stabilizing pipe shaft bearings; elongate member diverter pulley mechanisms load balancing termination points. Additional features include various alternative combination hoist implementations and orientations, and alternative incorporated attachment mechanisms for use with the hoist system.

Abstract: A mover system that moves a work platform relative to a target object. The mover system includes a drive vehicle configured to be attached to the work platform. Sensors are attached to the work platform that detect a distance between the sensors and the target object. Signals from the sensors are used to determine an alignment angle used for the operation of the drive vehicle to move the work platform into alignment and spacing relative to the work object.

Abstract: A skylight guard is provided for placement upon a skylight having a peripheral frame, and includes at least one generally vertical leg having an upper end and a lower end, at least one horizontal member having a first end, an opposite second end, and a middle portion located between the first and second ends. At least one of the first and second ends is configured for attachment to a corresponding one of the at least one leg. At least one of the horizontal members is axially variable, and at least one of the vertical legs has a foot associated with the lower end, the foot being constructed and arranged to contact the peripheral frame.

Abstract: A hoist, a hoisting apparatus with said hoist and a method for securing a hoist. A hoist body having a drive mechanism for raising or lowering a hoist chain or a hoist cable is suspended from a support device by a hoist support. A safety device having a loosely arranged coupling element and a damping element is mounted between the hoist body and the support device. If the hoist support is released, the hoist body can drop by a drop height until the coupling element becomes taut. The damping element then damps the fall under the load of the hoist body, the hoist chain and whatever load is suspended from it.

Abstract: A handheld device is adapted to ascend and descend a cable. The handheld device includes a motor that is mechanically coupled to a gearbox shaft. A drive shaft is connected to the gearbox shaft with shaft drive bearings. A first housing is mechanically coupled to the motor and surrounding the drive shaft. The housing further includes a top side, a bottom side and at least one other side therebetween. A top housing opening and a side housing opening are arranged on the first housing. A cinch brake assembly, connected to the first housing. The cable is fed through the first housing, around the drive shaft, out of the first housing and through the cinch brake assembly such that the cinch brake assembly prevents movement of the cable through the first housing.

Abstract: Apparatus and methods that can be used to stabilize the distal end of an arm (and an end effector attached thereto) of an automated extended-reach tool-equipped assembly. Stabilization is provided by three or more stabilizers, each comprising a stationary part and a movable part. Each stationary part has a fixed location relative to the end effector; each movable part is translatably coupled to a respective stationary part and comprises a contactor disposed at a distal end of the movable part. When the stabilizers are actuated, the contactors are translated toward and into contact with the surface of the workpiece and then locked in place to stabilize the distal end of the arm and the end effector. During tool operation, the stabilizers reduce oscillation of the end effector (and all structure fixedly coupled thereto).

Abstract: The present invention relates broadly to a fall arrester (10) attached to a user's harness via a coupling arrangement (6). The fall arrester (10) is designed to be attached to a backup rope or safety line (12). The fall arrester 10 ( )comprises a body (14), and a lever (16) pivotally coupled to the body (14). The lever (16) includes a primary cam (18) which is arranged to co-operate with the coupling arrangement (6). In operation, descent of the user urges the coupling arrangement (6) into contact with the lever 16 which pivots to effect braking of the safety line (12) between the body (14) and the primary cam (18).

Abstract: The present disclosure provides an amplitude limiting system of insulated aerial work platform, including an insulated aerial work platform having a telescopic arm, an insulated folding arm and retractable supporting legs, a luffing cylinder, a first pressure sensor, a balance valve, a selector valve, a flow meter, and a controller; the luffing cylinder is installed between the telescopic arm and the insulated folding arm and includes a hydraulic pressure chamber; the first pressure sensor is connected to the hydraulic pressure chamber of the luffing cylinder and is electrically connected to the controller; the balancing valve is arranged on the luffing cylinder; the selector valve is connected to the balance valve; the flow meter is connected in between the selector valve with the balance valve and is electrically connected to the controller.

Abstract: Work platform systems and related methods of assembly and use are disclosed herein. In one exemplary embodiment, a method of installing a work platform system into an internal cavity of a structure includes supporting a first platform portion at a first location, and adding a plurality of additional platform portions to the first platform portion, where successive ones of the additional platform portions are respectively positioned at respective locations that are successively farther outward away from the first platform portion. The method further includes coupling the additional platform portions to one or more other locations, and detaching the additional platform portions from one another. The method additionally includes lowering or raising one or more of the first and additional platform portions to one or more additional levels below or above the first level, where the work platform system includes the first and additional platform portions.

Abstract: A detachable hazard detection device includes a protective covering configured to detachably couple to an article. A plurality of proximity sensors are coupled to the protective covering. Each of the plurality of proximity sensors is configured to gather proximity information. Electronics are embedded in the protective covering, and the electronics include a controller coupled to the plurality of proximity sensors. The controller is configured to determine a proximity of the article to an object based on the proximity information. The controller is further configured to initiate a notification based on the proximity.

Abstract: A detachable hazard detection device includes a protective covering configured to detachably couple to an article. A plurality of proximity sensors are coupled to the protective covering. Each of the plurality of proximity sensors is configured to gather proximity information. Electronics are embedded in the protective covering, and the electronics include a controller coupled to the plurality of proximity sensors. The controller is configured to determine a proximity of the article to an object based on the proximity information. The controller is further configured to initiate a notification based on the proximity.

Abstract: A bracket assembly includes a first flange portion with a first flange aperture. A swivel portion has first and second leg portions, each with an aperture, extending outward from a second flange portion with an aperture. The first and second leg portions define a first opening that receives the first flange portion. The first flange aperture, the first leg aperture, and the second leg aperture align and the first fastener extends therethrough. The swivel portion pivots about the first fastener in a first direction. A connector has first and second prongs, each with an aperture, defining a second opening that receives the second flange portion. The first prong aperture, the second prong aperture, and the second flange aperture align and the second fastener extends therethrough. The connector pivots about the second fastener in a second direction opposite the first direction.

Abstract: Winch with a grip pulley for moving along a lifting strand, in particular a rope or cable, including a frame; a drive pulley with a single groove mounted on said frame; a guide means capable of guiding the lifting strand under tension from the upper region of said frame towards the lower region thereof, the guide means comprising on the lower region side of said frame a guide pulley close to the drive pulley and transferring the taut lifting strand onto the drive pulley; a clamping pulley, close to said guide pulley, exerting pressure on the lifting strand towards said drive pulley and acting on the wrapped end of the lifting strand on said pulley on the free strand side.

Abstract: A fall protection device or cable grab device for use with a generally vertically-extending cable, comprising: an articulating frame comprising: (i) a plurality of members; (ii) a channel configured to receive and retain the cable; and (iii) an attachment member opening extending through at least a portion of the articulating frame and configured to facilitate attachment of an attachment member to the cable grab device; wherein, when the frame is articulated in a generally downward (or first) direction, and at a specified point, at least a portion of at least one of the plurality of members contacts the cable and brakes movement of the cable grab device; wherein, when the frame is articulated in a generally upward (or second) direction, and at a specified point, at least a portion of at least one of the plurality of members contacts the cable and brakes movement of the cable grab device.

Abstract: An overlap arrangement of at least two decking planks, for example for construction scaffolding, includes first and second decking planks. Each decking plank has a decking surface composed of sheet metal, which is provided with essentially round passage holes, which are delimited, in each instance, by a beaded and circumferential hole edge. The first decking plank and the second decking plank are braced, relative to one another, in releasable manner, using a locking screw composed of metal, to prevent displacement relative to one another in a displacement plane that runs parallel to their decking surfaces, and to prevent lift-off from one another.

Abstract: An elevated platform system comprises a platform, a vision system configured to detect a number of people on the platform, and a plurality of restraining systems onboard the platform. Each restraining system includes a passive RFID tag secured to the platform and a reader configured to perform near field detection of the tag.

Abstract: A safety apparatus configured for attachment to a manlift and configured to prevent objects falling over the side of the manlift from striking objects and people beneath the manlift. One embodiment includes a frame configured to support netting that is disposed on the platform of an open-sided manlift and angled outward to intercept objects falling vertically outside the surface area of the platform. Another embodiment includes a frame that extends beyond the lip of a dosed-sided manlift and contains netting configured to catch objects falling outside of the surface area of the closed-sided manlift.

Abstract: A collapsible escape ladder, including a first upright, a second upright, and a plurality of elongated rungs that extend between the first and second uprights and that are rotatably attached to the first and second uprights about a first and second rotation axis, respectively, that extend perpendicular to a ladder plane spanned by the first and second uprights and the rungs. The ladder has a closed state where the rungs are substantially hidden between the uprights and an open state where the rungs extend between the uprights and perpendicular to a building wall and wherein the ladder extends downward from an escape point to the ground.

Abstract: A restraint system for restraining a worker to a platform of an aerial device comprises a restraint liner and a platform strap. The restraint liner includes four sidewalls, a floor, a lip, an interior anchor, and an exterior anchor. The floor may be coupled to one end of the four sidewalls, while the lip may be coupled to the opposing end of the four sidewalls and may extend therefrom. The interior anchor may be positioned on an interior surface of a first sidewall and operable to couple to a liner strap coupled to a worker. The exterior anchor may be positioned on an exterior surface of the first sidewall. The platform strap may be coupled to the exterior anchor and operable to couple to the platform.

Abstract: A toe board of a scaffold system and a method of producing the toe board, the toe board configured to be attached to a working or walking surface of the scaffold in order to limit lateral movement upon the surface, the toe board made from a steel board unit having a hollow profile enclosed by covers and mounting units inserted at each end with multiple types of fastenings.

Abstract: A locking device and apparatus is disclosed. The locking device is particularly suitable for use in combination with a device such as a track mounted gangway and safety cage to reduce the ability to reposition the gangway and safety cage along a track surface while in the lowered access position. The locking device preferably includes a lever assembly and a pivot assembly having a friction pad connected to the lever assembly. When the lever assembly and/or gangway device is adjusted in a first direction, the friction pad applies pressure on the track surface and moveability between the gangway and the track surface is reduced.

Abstract: A safety system for a two piece tree climbing stand includes a safety cable that is secured to the climbing cable of the tree stand so as not to interfere with the two pieces of the stand as the tree stand is maneuvered up a tree. An elongated resilient sleeve is adapted to surround both the climbing cable and the safety cable so that the safety cable is secured to the tree climbing cable until the sleeve is removed. The safety cable is adapted to be secured to the safety harness worn by the tree climber and to the climbing cable of the tree stand.

Abstract: A stair safety apparatus includes a wrist with an elastic cord attachë at one end to said band. A bar member attached by one end to a second end of the elastic cord. The bar member is of a length sufficient to allow the bar member to become wedged between a wall-mounted stair rail and a wall.

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: 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. A guardrail carriage for securing a person to a rail via a tether is further provided.

Abstract: The invention concerns an assembly comprising a platform assembly (100) intended to receive passengers and a cylindrical structure (200), the platform assembly being mobile within the cylindrical structure. The assembly has very high stability as well as offering the passengers strong sensations of being raised up in the open air, with minimum obstruction of a panoramic view.

Abstract: A stepless ladder is provided that may comprise a frame adapted to support the weight of a user, a track attached to a portion of the frame, an escalating member attached to the track, the escalating member for supporting the weight of the user, and an escalating means adapted to raise and lower the escalating member along the track.

Abstract: The present invention relates to a tower for a wind power installation. The tower comprises a wall extending from a foundation in an upwards direction towards a nacelle and defines an enclosed space. Furthermore, the tower comprises a safety blanket which is distended across the tower interior along an inner surface of the wall to thereby split the enclosed space into an upper compartment above the blanket and a lower compartment below the blanket. The safety blanket is flexible.

Abstract: A suspension platform system having a work platform suspended from at least one modular mast by a hoisting system. The modular mast is composed of at least two mast units stacked vertically and attached to one another. Each mast unit has a multifunction rail including a plurality of safety engagement devices and a stabilizer guide device. The work platform has at least one mast stabilizer that cooperate with the stabilizer guide device to prevent undesired swaying of the suspended work platform. The hoisting system includes a carriages, hoist, and mast cable. The carriage engages the associated mast so that the carriage may be conveniently slid up and down the mast.

Abstract: Systems and methods relate to a operator selectable, variable-height attachment point system for a safety harness, where the attachment point is disposed on a radial support member that can be reversibly coupled to a vertical support member, and where the attachment point height can be selected by the operator by reversing a coupled orientation of the radial support member to the vertical support member.

Abstract: A portable folding support structure for safely tethering an individual comprises a portable cart sized to fit through a residential doorway, having wheels and a motor that actuates at least one of the wheels. A hand-operated throttle and steering device control the cart. The cart comprises an extendable anchoring plate to prevent rolling. A substantially horizontal jib with the cart comprises a harness point for receiving a safety cable to which an individual is attached to allow safe cleaning practices and to minimize fall risk. A foldable outrigger provides stability to the cart and an anchoring pad attaches to a distal region of the outrigger to promote stability. A textile liquid-absorbing surface is positionable about an outer surface of a glass balcony to inhibit cleaning liquids from spilling below the level of the liquid-absorbing surface.

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 mold wall onto the support structure of the scaffold element at a distance outside the edge of the bridge for forming a mold between the wall and the bridge. Also a scaffold arrangement and method of use are disclosed.

Abstract: Protecting device for a user of an aerial lift and aerial lift comprising such a device The device (100) according to the invention for protecting a user (U) of an aerial lift comprises a clothing element (100) designed to be worn by the user (U) and equipped with a signaling mechanism (101-103) connected to a controller (73) of the lift. Said alert means (101-103) comprise a member, such as a button (101) or a pull-tab, designed to be actuated by the user (U) to trigger an emergency stop when the user detects a potentially dangerous situation.

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 lift safety system that prevents the lifting of a support platform from a support base until all of the support legs for the support base are supporting a minimum amount of weight to ensure stability of the lift. The support base includes a plurality of legs that extend outwardly with each of the legs having an adjustment member with a pad that engages a ground surface. As the adjustment member is adjusted downwardly with respect to the leg, a first engaging member connected to the adjustment member is elevated upwardly to engage a second engaging member thereby releasing a corresponding finger member attached to the support platform from the support base. Once all of the legs are supporting a minimum amount of weight, all of the finger members are released from the support base thereby allowing elevation of the support platform.

Abstract: A construction safety device includes a wall bracket and a platform bracket. The wall bracket includes an interior member, a wall top member and an exterior member which are integrally formed. The wall bracket is placed over the wall. The platform support bracket is removably fixed to the wall bracket. A plurality of the construction safety devices is attached to the wall of a structure to form a construction safety system. A barrier and a platform are positioned over the construction safety devices.

Abstract: According to one or more aspects, a portable safety device operable to be deployed adjacent to a work surface. The portable safety device may include a rail and a locking device disposed with the rail and operable to secure the rail to the work surface. According to one or more aspects or embodiments, the device may include a signal member operationally connected to the rail to provide a visual indicator that the rail is secured to the work surface.

Abstract: A suspended access chair with a rescue system that may be utilized to access a wind turbine blade while mounted on a tower for purposes such as inspection, maintenance, cleaning, and repair of the blade is provided. The suspended access chair generally includes a chair frame assembly. Upper frame and lower frame assembly rollers are secured to the chair frame assembly and are configured for rolling contact along an edge of the blade. The suspended access chair further includes primary dextral and primary sinistral gripping arms. The gripping arms may be adjusted to conform to the shape of the blade and include rollers configured for rolling contact along a portion of the blade. A hoist is provided to raise and lower the chair along a suspension rope. The rescue system is used to lower the suspended access chair from an elevated position to the ground during emergency situations.

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 cage for construction work is provided with an extendable function. More particularly, a cage for construction work with an extendable function is provided which is formed so as to have both extendibility and safety by allowing for lateral extension of a cage used in finish work for the outer wall of a structure when constructing the structure and integrally forming a guard net for preventing falls on an upper part thereof.

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: Embodiments of anchors for use in height safety systems are described, the anchors including: a generally elongate member; an attachment point for a safety line is provided at one end of the member; the anchor is arranged to be affixed to a sturdy object so that, in use, the attachment point is in a raised position. Various height safety systems including such anchors are also described.

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 multipart rail-like profile comprises at least two or more joinable or insertable profile elements (1), having at least one ratchet (5), a toothed rack compartment, or codings extending in the longitudinal direction. In addition, pattern elements (11) having equidistantly spaced elements (13), which are coupled to the ratchet or toothed rack partitioning, are provided in at least one wall of each profile element (1). For connecting the joinable or insertable profile elements (1), a connecting element (21) having a further wall (23) is provided for adjoining the wall of each profile element, having further, longitudinally extending pattern elements (25) which are congruent with the pattern elements (11), the elements (27) of which have matching spacing.

Abstract: The Invention relates a method and an apparatus for handling and/or servicing components of a wind turbine, such as installing and/or dismantling components into or from a wind turbine nacelle or such as servicing exterior components such as blades, hub, tower and nacelle of the wind turbine. The gripping apparatus comprising at least one arm for gripping around the wind turbine tower, said at least one arm capable of forming a gap between gripping elements of the gripping apparatus. The at least one arm extends around the entire outer circumference, seen perpendicular to a horizontal plane, of the wind turbine tower.

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: An extended safety cage provides access to a plurality of hatches on the top of a mobile container. The cage is rotatably attached to the end of a gangway, which extends from and is rotatably attached to a platform. The platform carries a pair of braces that extend out in opposite directions and support the cage through spring-loaded lifting arms. The apparatus can include actuators, such as hydraulic or pneumatic actuators, that urge the gangway and cage downward when activated. Secondary braces ensure that the lifting arms and safety cage move in unison.

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.