Abstract: An expansion bolt including a housing member integrally formed as a single piece of material, the housing member having a base, a plurality of elongate elastic members extending distally from the base, the elongate elastic members distally terminating in respective spoons, and the elongate elastic members having thicknesses that are substantially less than thicknesses of the base and the spoons, a central shaft member extending through the housing member and terminating in a wedge member, the spoons defining a cavity for receiving the wedge member, the elongate elastic members structured to bend outwardly in response to the wedge member moving into the cavity, and a biasing member for biasing the shaft member relative to the housing member in the direction of said increasing relative translation.

Abstract: A ladder having a foot having a plastic body with a recess which receives the end of a first rail and is positioned about and conforms to the web and the first and second flanges of the first rail. The foot has a plastic base having a top side from which the body extends. The base has a front edge. The foot has a metal rail fastener which extends through the body and the rail to attach the body and the rail together. The foot has a pad having a rigid plate with a rubber outer layer surrounding the rigid plate and a pad fastener hole that extends entirely through the rigid plate and rubber outer layer, the outer layer of the pad having a bottom with treads. The foot has a metal pad fastener that extends entirely through the pad and entirely through the base to attach the pad to the base so the rigid plate is between the treads and the base of the shell. A ladder foot. A method.

Abstract: A ladder having a first box rail having a first side, and a second side extending perpendicularly from the first side. The first side having a first hole. The second side having a first hole in alignment with the first hole of the first side. The ladder having a second box rail, at least a portion of which is in parallel and spaced relation with the first box rail. The ladder comprises a first hollow tube disposed in the first box rail in alignment with the first hole of the first side and the first hole of the third side. The ladder comprises a bracket having a first bracket hole in alignment with the first hole of the first side. The ladder comprises a first fastener extending through the first hole of the third side, the first hollow tube, the first hole of the first side and the first hole of the bracket which attaches the bracket to the first box rail. A method for using a ladder. A method for producing a ladder.

Abstract: An expansion bolt including a housing member integrally formed as a single piece of material, the housing member having a base, a plurality of elongate elastic members extending distally from the base, the elongate elastic members distally terminating in respective spoons, and the elongate elastic members having thicknesses that are substantially less than thicknesses of the base and the spoons, a central shaft member extending through the housing member and terminating in a wedge member, the spoons defining a cavity for receiving the wedge member, the elongate elastic members structured to bend outwardly in response to the wedge member moving into the cavity, and a biasing member for biasing the shaft member relative to the housing member in the direction of said increasing relative translation.

Abstract: A ladder having a right box rail having an outer web with an outer opening and an inner web with an inner opening. The ladder having a left box rail in parallel and spaced relation with the right box rail. The ladder comprises a hollow collar disposed in between the inner opening of the inner web and the outer opening of the outer web. The collar having a stem having a plurality of segments. The segments separated by slots. The ladder having a first rung attached to the right and left box rails. The first rung having a right end that extends through the outer opening, the collar and the inner opening. A method for using a ladder by a user. A method for forming a ladder.

Abstract: A multipurpose ladder having a first inner section. The ladder has a first articulated hinge and a second articulated hinge. The ladder has a second inner section. The ladder has a first outer section. The ladder has a first locking bar. The ladder has a second outer section. The multipurpose ladder may have a plurality of brackets disposed about outer rails of the outer sections. The brackets provide support to each of the outer rails and strengthens them against bending forces so the rails can be thinner and of lighter weight. The ladder may have an ANSI duty rating of 1A or an ANSI duty rating of 1AA. A method for using a multipurpose ladder. A method for producing a multipurpose ladder.

Abstract: A cable grab for a fall protection system includes a channel for receiving a safety wire, a cam structured to grab the safety wire in the event of a fall, a lever structured to rotate and cause the cam to grab the safety wire in the event of a fall, and an energy absorber having a working length, a normal webbing portion, and a connection point, wherein the working length or the normal webbing portion are structured to engage the lever in the event of a fall.

Abstract: An interlocking ladder system for transporting at least two ladders which are stacked together. The ladder system includes a first ladder having a first end cap having a cap portion and an engagement portion with a slot, a second ladder having a second end cap having a cap portion and an engagement portion with a slot, and preferably a third end cap having a cap portion and an engagement portion with a slot. The slot of the engagement portion of the second end cap engages with the slot of the engagement portion of the first end cap when the second ladder is stacked on top of the first ladder. The ladder system may include a third ladder having a fourth end cap having a cap portion and an engagement portion and a slot. The slot of the engagement portion of the third end cap engages with the slot of the engagement portion of the fourth end cap when the third ladder is stacked on top of the second ladder.

Abstract: A ladder for a user to climb and which holds a rag includes a first rail having a top and a second rail and rungs attached to the first rail and second rail. The ladder includes an end cap that is attached adjacent to the top of the first rail. The end cap having an attachment portion which attaches to the first rail and a cover portion which covers over the first rail, and extend caps from the attachment portion. The cover portion having a rag holder. The ladder includes a pad attached to the back of the cover portion which contacts a surface against which the first rail leans down so as not to mar or scratch or damage the surface. An end cap. A method.

Abstract: A scaffold upon which a person stands includes a platform with a first leg assembly rotatably attached to the platform. The scaffold includes a latch assembly having a latch pivot axis coupled to the platform. The scaffold includes a stud attached to a first leg of the first leg assembly to which the latch assembly engages when the first leg assembly is moved into the extended position to automatically lock the first leg assembly in the extended position where the latch assembly is in a set position. When the latch assembly is moved out of the set position, the stud on the first leg disengages from the latch assembly and the first leg assembly is able to rotate about the first leg assembly pivot axis to a folded position. A method for using a scaffold.

Abstract: An expansion bolt and pivot and swivel mechanism therefor. The expansion bolt may have a base and a plurality of radially spreadable elongate elastic members cantileveredly projecting from the base at respective points of joinder to the base and terminating in respective spoons at respective points of joinder of the spoons, wherein the elongate elastic members have respective radially defined thicknesses at the points of joinder to the base that are substantially less than the corresponding thicknesses of the base, and respective radially defined thicknesses at the points of joinder of the spoons that are substantially less than the corresponding thicknesses of the spoons.

Abstract: A harness for a fall protection system includes a number of user initiated features structured to be activated by an action of a user, and a lockout system including fall indicator stitching structured to tear in response to a fall, wherein an element of a selected user initiated feature is attached to the fall indicator stitching such that the selected user initiated feature is unable to be activated by the action of the user until the fall indicator stitching is torn.

Abstract: A self-retracting lifeline system including a self-retracting lifeline including a retracting device and webbing extending from the retracting device, and a backpack energy absorber configured to attach to a harness at a back of a user wearing the harness, wherein the webbing includes a first end attached to the retracting device and a second end attached to the backpack energy absorber.

Abstract: A ladder having a right box rail having an outer web with an outer opening and an inner web with an inner opening. The ladder having a left box rail in parallel and spaced relation with the right box rail. The ladder comprises a hollow collar disposed in between the inner opening of the inner web and the outer opening of the outer web. The collar having a stem having a plurality of segments. The segments separated by slots. The ladder having a first rung attached to the right and left box rails. The first rung having a right end that extends through the outer opening, the collar and the inner opening. A method for using a ladder by a user. A method for forming a ladder.

Abstract: A ladder top having a front side flange, a rear side flange, a right side flange and a left side flange. The right side flange has a right metal plate through which right fasteners extend into a right front rail and a right rear rail. The left side flange having a left metal plate through which left fasteners extend into a left front rail and a left rear rail. A ladder top with passages for carabiners. Ladders with metal plates on the side flanges, or with passages for carabiners on the ladder top of the ladder. Methods of using a ladder. A method of producing a ladder.

Abstract: A work platform includes a plank which telescopes to a desired width. The work platform includes a first leg assembly rotatably attached adjacent to a first end of the plank. The work platform includes a second leg assembly rotatably attached adjacent to a second end of the plank. The work platform includes a first linkage attached to a first leg of the first leg assembly. The first linkage may be a first hook or a first strap assembly for securing the work platform to a first support structure. A method for using a work platform. A method for producing a work platform.