Abstract: A ladder stabilizing apparatus comprises a rail mount attachable to a ladder side rail and an auto-retracting belt assembly. The belt assembly comprises a rail interface connectable to the rail mount, a belt housing rotatable relative to the rail interface about a belt housing rotation axis, and a stabilizing belt extending from a belt first end to a belt second end. The belt first end is connected to the belt housing. The stabilizing belt is movable between a belt retracted position, in which the stabilizing belt is substantially wound within the belt housing, and a belt extended position, in which the stabilizing belt is at least partially unwound from the belt housing. The stabilizing belt is biased to the belt retracted position. The belt second end includes an environment anchor.

Abstract: A temporary step and support assembly includes two primary portions: an attachment member and a horizontal surface member. The attachment member preferably includes three sides for engaging a board or other fixed support, wherein the first side and the third side are disposed in parallel relation, and the second side is preferably angled upwardly from the first side to the third side. The horizontal support member, extends from the first side of the attachment member, and serves as a temporary step, so that a user may attach the temporary step and support assembly to a board or other fixed support for standing or climbing to reach a greater height in an upward direction. Optionally, the horizontal support member may be angularly adjustable with respect to the attachment member for use on angled fixed support studs, boards or framing.

Abstract: A fall protection system includes a guardrail support frame comprising: a substantially vertical first guardrail post; a substantially vertical second guardrail post; and a substantially vertical reinforcement post disposed between the first and second guardrail posts; a first pillar attachment assembly configured to secure the first guardrail post to a first structural component and a second pillar attachment assembly configured to secure the second guardrail post to a second structural component; and a flexible lower guardrail strap and a flexible upper guardrail strap, each of the flexible lower and upper guardrail straps coupled to and extending laterally between the first guardrail post and the second guardrail post; wherein the reinforcement post engages each of the flexible lower and upper guardrail straps, and wherein the reinforcement post is configured to be freestanding.

Abstract: A step stool includes an expandable tray assembly. The expandable tray assembly has a fixed tray panel and a movable tray panel coupled to the fixed tray unit for movement relative to the fixed tray unit. The movable tray panel is illustratively movable between a collapsed position, arranged above the fixed tray panel, and an expanded position, arranged adjacent to the fixed tray panel.

Abstract: A construction platform that is freely movable up and down is provided, which includes several curved platforms, several columns and a control panel. The curved platforms are connected with one after the other to form a ring-shaped platform that surrounds a cylindrical building and is movable along the columns. Each curved platform is provided with one or more mounting brackets. Each mounting bracket is provided with one or more movable brackets, one or more pressing mechanisms, one or more locking mechanisms, one or more movable rods, one or more suction cups, a pumping mechanism, and one or more emergency braking mechanisms. Each emergency braking mechanism includes a sprocket, a chain, a counterweight, an angle sensor, and a configuring assembly. Each configuring assembly includes a ring gear, a mounting sleeve, a configuring rod, a pawl, a torsion spring, an electromagnet and a magnetic block.

Abstract: A guardrail post includes a first post wall formed at a first post side of the guardrail post; a second post wall formed at a second post side of the guardrail post and arranged at an acute angle relative to the first post wall; and a substantially V-shaped notch defined between the first post wall and the second post wall, the substantially V-shaped notch configured to receive a pillar edge of a pillar.

Abstract: An extension ladder having a base section having a first box shaped base rail having a base side and a groove extending along the side. The extension ladder has a fly section having a first box shaped fly rail, and a follower bracket attached to the first box shaped fly rail and extending outward toward the first box shaped base rail. The groove is sized to engage the follower bracket which constrains the fly section to have limited motion relative to the base section and a left to right and front to rear directions while permitting the fly section to slide freely relative to the base section when the fly section is extended. A method for using an extension ladder. A method for producing an extension ladder.

Abstract: A shuttle (20) for a climbing protection system (10) is provided and includes a clamping member (26) mounted on a frame (22) for movement between a an opening position, a free position wherein the shuttle (20) can move freely along an elongate support member (12), and a clamping position wherein the clamping member (26) resists movement of the shuttle (20) relative to the elongate support member (12), and an anti-inversion member (30) mounted on the frame (22) for movement between a first closed position blocking insertion of the elongate support member (12) and an open position where the anti-inversion member (30) does not block insertion of the elongate support member (12).

Abstract: Ladders and ladder components are described herein, including multipurpose and adjustable ladders. In one embodiment, a ladder includes a first assembly having rails and rungs, a second assembly having rails and rungs, and one or more hinges coupling the first and second assemblies together such that the first and second assembly may be positioned relative to one another in at least a position or state and at least a second position or state. A top cap is coupled to the rails of the first assembly, such that when the first and second assemblies are in the first position, the rails of the second assembly do not contact the top cap. When the first and second assemblies are in the second position, each rail of the second assembly is at least partially nested in one of a pair of channels formed in the top cap.

Abstract: A multipurpose step stool includes a low stool and a high stool. The high stool is arranged behind the low stool. The high stool has a first accommodating cavity with a bottom opening. A size of the first accommodating cavity is equivalent to a size of the low stool. A front end surface of the high stool is provided with an accommodating opening. The accommodating opening is adapted to the back of the low stool. The back of the low stool is located in the accommodating opening and is detachably connected to the high stool. The present invention has a novel structure and ingenious design. The size of the first accommodating cavity is equivalent to the size of the low stool, and the back of the low stool is located in the accommodating opening and is detachably connected to the high stool.

Abstract: An extension ladder having a base section and a fly section. The fly section has a right local reinforcement disposed inside a right fly rail of the fly section at locations of highest bending moment of the right fly rail when a force is applied to the right fly rail. The right local reinforcement is shorter than a length of the right fly rail. Loads applied to the right fly rail are transmitted to the right local reinforcement so the right fly rail may be thinner than if there was no right local reinforcement present. A method for producing a ladder rail with a local reinforcement between a top rail flange and a bottom rail flange. A method for using an extension ladder.

Abstract: A ladder dock can include a planar mounting panel, the mounting panel configured to contact and be secured to a surface of an elevated structure; and a planar connecting panel, the connecting panel extending from the mounting panel and angled with respect to the mounting panel, the connecting panel angled upward with respect to the mounting panel by a bend angle, an angle between the mounting panel and the connecting panel being less than 180 degrees, the connecting panel defining first and second ears, each of the first and second ears extending in a direction away from the mounting panel, each of the first and second ears being coplanar with the connecting panel, the first and second ears defining a ladder notch therebetween, the ladder notch sized to receive and fix a position of a ladder relative to the ladder dock, the ladder dock being formed from a single blank.

Abstract: The aerial lift comprises a working platform 130 and a lifting structure 120 supporting the platform 130 on one side. At least three, preferably four, force sensors 41, 42 are interposed between the lifting structure 120 and the platform 130. The support interfaces for the force sensors 41, 42 are all situated on a side of the floor 131 of the platform 130 that is situated towards the side of the working platform on which it is supported by the lifting structure 120. Each of the force sensors 41, 42 is provided to measure the force exerted only in the vertical direction by the platform 130 on the support interface thereof when the floor of the working platform extends horizontally.

Abstract: A ladder having a first rail and a second rail. The ladder having a standard rung having a width permanently attached to the first rail and the second rail. The ladder having a first wide rung having a width greater than the width of the standard rung, which is permanently attached to the first rail and the second rail. The ladder having a second wide rung having a width greater than the width of the standard rung, which is permanently attached to the first rail and the second rail. The first wide rung and the second wide rung are disposed in a work zone of the ladder. The work zone of the ladder is where a user typically stands on the ladder while performing tasks. The standard rung is disposed outside the work zone.

Abstract: A tray for a stepladder is disclosed. The tray provides an area for work space or for storage of tools or materials in addition to that provided by the stepladder by itself. The tray is configured to be removably attachable to the top of the stepladder when in use or removably attached to the stepladder and preferably within the boundaries of the stepladder when not in use.

Abstract: An insert for an aerial work assembly includes a main body configured to be received in an aerial lift bucket. The main body includes first through fourth sides, each defining an outer sidewall and an inner sidewall. The main body includes a bottom portion connected with the first side, the second side, the third side, and the fourth side. An open top is defined at an upper portion of the main body. An interior space is defined in the main body and receives a user. The extension assembly includes a bottom lip extending from the upper portion of the main body. A connecting sidewall extends upwardly from the bottom lip. An upper lip extends from the connecting sidewall. The extension assembly is configured to extend upwardly to extend a height of the main body with respect to the aerial lift bucket.

Abstract: A moveable wing gantry for servicing a wing of an aircraft is configured to be positioned around a wing of an aircraft to provide access to overwing and underwing surfaces of the wing of the aircraft. The wing gantry includes a service deck positioned underneath the wing of the aircraft. An operator platform is moveably attached to the service deck and operable to move along the length of the service deck. A chair support is moveably attached to the operator platform and operable to move across the operator platform in a direction substantially perpendicular to the length of the service deck. The wing gantry includes a pivotable span platform positioned above the wing of the aircraft and pivotable between a raised position and a lowered position. The wing gantry is customizable to different aircraft wing types and styles.

Abstract: A stabilizer apparatus has a mounting frame that mounts onto a ladder so as to be longitudinally slidable along the rails of the ladder. Stabilizer legs are pivotally supported on the mounting frame between a stored position in which the legs are supported alongside the mounting frame and a working position protruding outwardly from the mounting frame. A screw clamp type retaining mechanism selectively prevents longitudinal displacement of the mounting frame relative to the ladder for stabilising the ladder while in the working position of the legs.

Abstract: Ladders and ladder components are described herein, including multipurpose and adjustable ladders. In one embodiment, a ladder includes a first assembly having rails and rungs, a second assembly having rails and rungs, and one or more hinges coupling the first and second assemblies together such that the first and second assembly may be positioned relative to one another in at least a position or state and at least a second position or state. A top cap is coupled to the rails of the first assembly, such that when the first and second assemblies are in the first position, the rails of the second assembly do not contact the top cap. When the first and second assemblies are in the second position, each rail of the second assembly is at least partially nested in one of a pair of channels formed in the top cap.

Abstract: Disclosed is a variable sliding manhole safety guard including an installation support part that is installed on an inner wall of a manhole to be installed and has a rail structure vertically extending by a predetermined length and configured to change a vertical position of a movement guide, the movement guide that is mounted on the rail structure to change a vertical position, has a structure vertically extending by a predetermined height, and is mounted on a safety fence in an integrated structure, the safety fence which is mounted on the movement guide in an integrated structure and includes a plurality of frames forming a cylindrical structure having an outer diameter corresponding to an inner diameter of a manhole entrance, and in which an openable entrance door is installed in an upper one surface thereof.