Abstract: A climbing device for clamping around a tree trunk having a generally C-shaped clamp configuration including oppositely disposed trunk engagement portions; a handle portion extending vertically therefrom for positioning the device on the tree trunk; a flexible ladder secured to a horizontal offset aperture support leg extends from the trunk engagement portion. The ladder is capable of being used when the climbing device is engaged about the tree.

Abstract: A ladder safety attachment designed to secure a ladder at its top to a tree or pole to prevent rocking or sliding of the ladder out of the position to which the ladder was initially set. The safety attachment includes a platform with two sets of spikes. The spikes in the first set are fixed in position with respect to the platform and are designed to engage a tree or pole as soon as the combined safety attachment and ladder are placed against the pole or tree, holding the ladder in its initial position while an operator ascends the ladder to engage the second set of spikes. The spikes in the second set are adjustable and are designed to accommodate various diameter trees or poles. The safety attachment further includes a adjustable set of ladder attachment brackets which can be adjusted to accommodate ladders of various sizes.

Abstract: A portable fire escape comprising a framework. A structure is for mounting the framework across an opened window internally within a building adjacent a window sill. An elongated extendable flexible ladder is provided. Paraphernalia is for attaching a top end of the flexible ladder to the framework. The flexible ladder can hang down externally against the building to the ground, to allow a person to exit through the opened window of the building during a fire.

Abstract: A support apparatus for scaling and working on an inclined roof made up of at least one ladder having a pair of ridge hooks to engage the roof ridge, a rotatable support frame secured to the ladder, and a pivotally mounted platform for support of workers and materials. The support frame includes a pair of horizontal members, a pair of vertical legs, and a cross brace assembly, attached to one another by a mechanism adapted to allow rotation of the legs of at least 180 degrees around the outside of the horizontal member from an axle formed by the cross brace. The ladder includes hollow rungs and an opening in each rail forming a tubular passage. Each of the legs have a tube horizontally attached to each end forming an opening for alignment with the ladder openings whereby a securing rod can be passed through the passage. The rod acts as a spindle upon which the legs rest to the outbound sides of the ladder.

Abstract: A vehicle bumper protector for golf spikes is disclosed and includes an inverted U-shaped trunk support bracket formed from a pair of right angle L-shaped members. A footrest is connected, preferably through a vertical back plate, to the trunk support bracket. Both the vertical height of the footrest on the trunk support bracket and the width between vertical legs of the trunk support bracket are adjustable. When installed on a vehicle, the trunk support bracket securely straddles a rear wall of a vehicle trunk and the footrest securely rests on a vehicle bumper. The device can be easily adjusted for use on other vehicles.

Abstract: A readily deployable, portable escape ladder includes nestable rungs maintained in a releasable, stacked state. The ladder includes a cover having a releasable fastening system which, when released, permits the ladder to move from the stacked state to an extended state. The rungs include integral standoff members to displace the ladder from the surface of a building when deployed. The rungs are spaced one from the other, along a flexible mounting member. The mounting member penetrates the rungs in a staggered orientation.

Abstract: The invention disclosed herein relates to a portable roof scaffold system comprising a combination transport/hook/standoff device, a fixed-direction ladder platform, a fixed-direction roof-ladder standoff, a multi-direction ladder platform, a multi-direction roof-ladder standoff, and one or more ladders. The combined use of these devices create an easily handled, easily set-up, scaffold which is supported above the roof surface, or the skeletal framework of a roof. The ladder platforms may be positioned at a predetermined angle with respect to the ladder to form a level working platform on any roof slope, and may be slid along the ladder to raise or lower the working level on the roof even while remaining parallel to the angles of hips and valleys in the roof frame. Self-locking features of the ladder platforms make them easy and safe to relocate as work progresses.

Abstract: A safety ladder made special for attachment to a lubricator, or a vertically disposed pipe, which enables a person to safely scale the lubricator after it has been affixed to a well head. The improved safety ladder apparatus of this invention is externally attached to the lubricator in such a manner that a rigid triangular structure of great structural integrity results from the combination. The ladder forms the hypotenuse of the triangle and is attached at a comfortable downwardly sloped angle respective to the lubricator so that it is easy and safe to scale. The ladder has opposed side rails rigidly connected together by a plurality of spaced rungs, and an upper end opposed to a lower end. A seat or chair is attached to the upper end of the ladder and forms part of the ladder apparatus. There is an anchor device mounted at the top of the ladder that is in the form of a yoke. The yoke has a central part from which opposed legs extend into attached relationship respective to the seat at the top of the ladder.

Abstract: A safety ladder attachment for securing a ladder to an overhead, horizontal cable is described comprising a hollow, woven rope terminating at one end in an elastic loop formed of the rope in a compressed state and an elastic cord in the interior thereof, and terminating at the other end in a coupling member. The safety attachment is tied under tension with a slip knot about a rung of the ladder and the cable, and subsequently released from the ground by pulling on a release rope attached to the coupling member, which may also be a loop formed at the rope end.

Abstract: An escape ladder of collapsible construction has links interconnecting rungs with one end of the ladder being provided with means for fixing the ladder to a structure. At least one end of each link is arrange for movement relative to its respective in a direction axially of the rung between as first position in which the link is able to pivot relative to the rung, and in a second position in which pivotal movement is prevented.

Abstract: A ladder and platform assembly is described for stabily and releasably securing a ladder to a utility pole or the like. The ladder is attched at one end to a platform and includes a pair of generally parallel, spaced apart legs and a plurality of steps disposed between and interconnected between the legs. The platform includes a latch assembly for stabilizing the platform when the platform is disposed to rest against the pole, which has a given configuration. The platform has an opening of a configuration similar to the given configuration for receiving the pole. The latch assembly includes a latch pivotally mounted on the platform to move between a first, closed position wherein the latch retains the pole within the opening and a second, closed position wherein the latch permits the pole to be received within or removed from the opening. The latch has an extended portion. A spring is attached to the latch for normally biasing the latch to the second, open position.

Abstract: A portable hanging shelf system is disclosed wherein one or more shelves are suspended in a horizontal position from generally vertical objects of varying diameter. A non-elastic flexible fabric belt encircles generally vertical objects of varying diameters, such as a tree trunk, and an adjustable lever-type buckle on the belt releasably grips and applies tension in the encircled portion of the belt to firmly secure a pair of brackets to the curved surface of the vertical object. A cord is connected to each bracket and forms a loop which receives one or more flat rectangular shelves. The cords pass through slots at the opposed ends of each shelf and the shelves are secured in an adjustable horizontal position at the desired height above the ground by a cord lock or by passing the cord through additional slots.

Abstract: A portable tree stand is provided for use by a person to climb to and descend from an elevated position next to an upright object. The stand comprises a pole, a clamping assembly attached to the pole near its top end for securing the pole to the upright object, a device on the bottom end of the pole for anchoring it to the ground and upper and lower foot supports for use by the person to climb and descend the pole. Each foot support is slidably mounted on the pole but has a friction device that locks the foot support in a fixed position on the pole in response to a downwardly applied force.

Abstract: A ladder which makes it possible for one person to climb onto another, particularly, a ladder which can be worn by an adult for the purpose of enabling a child to climb up the ladder and onto the adult. The top portion of the ladder is attached to a harness facilitates the wearing of the ladder by an adult. The bottom portion of the ladder is attached to a trap which can be stepped on by the adult to stabilize the ladder and prevent it from swinging. In an alternative embodiment the device is in the form of an overcoat featuring a series of holes into which the child can place his feet to facilitate his climbing.

Abstract: The invention relates to a ladder stand for an upright columnar member such as a tree, pole or the like.The stand includes a pair of jaws, one of which is remotely moveable so that the platform can be safely secured to the tree before the ladder is climbed. After the user climbs down, the jaws can be disengaged from the tree and the ladder stand removed.

Abstract: A non-metallic ladder for use in a manhole in which permanent manhole steps have been installed and spaced relation from the top of the manhole to a position above the bottom and there being a pair of spaced side members on said ladder connected transversely by spaced steps to form corners at the top in which there are spaces to fit over a respective side members on the step. The spaces may be in the shape of a rectangular cross-section or other configuration. The ladder is "hung" from the step to resist dislodgment therefrom. There may be provided a wall bumper member at the bottom of the ladder to engage the inside wall of the manhole.

Abstract: The present invention provides a portable collapsible ladder that is easily secured onto a vehicle or structure mounted on a vehicle, such as a roof-top rack, to provide ease of access to the upper portion of the vehicle. The ladder of the present invention includes a flexible body portion that is easily folded.Upper strap assemblies extend from opposing sides of the upper portion of the flexible body portion. Angularly shaped hook members are secured to each of the strap assemblies. A lower strap assembly extends from the lower portion of the flexible body portion. An elastic strap joins the lower strap assembly to a lower hook member.In use, the flexible body portion is unfolded so the upper strap assemblies are extended. The upper hook members are secured on the vehicle or structure on the vehicle. The lower hook member is then secured over the seam of the lower vehicle body. Protective bumpers on the outer side of the flexible body portion protect the vehicle from damage from the ladder.

Abstract: A portable fire escape ladder with an inflatable air cushion is provided. The ladder has an upper window sill engaging portion, and a plurality of frame members interconnected with rungs. The air bag is inflated by propellant from a trigger operable propellant source, for decelerating a person prior to alighting on the ground.

Abstract: A dismountable ladder for use with transom, swim or dive platforms having a pair of similarly shaped vertical upper side members. The upper end of each upper side member is formed as a U-shaped hook for releasably receiving a portion of a transom, swim or dive platform. The lower end of each upper side member has an opening. Additionally, a horizontal upper step member is releasably coupled within the opening in the lower ends of the upper side members. Finally, screws are provided for securing the upper step member to the upper side members through screw holes of the upper side members and upper step member.

Abstract: A stabilizing leg for attachment to a ladder for use on uneven surfaces comprises a rigid leg member (3) having a central longitudinal slot (6) through which extend U-bolts (17) for clamping the leg member (3) to the rungs (15) of the ladder. The U-bolts can be slackened to permit the leg member (3) to slide vertically relative to the rungs between stored and extended positions, and also to slide along the rungs between the opposed stiles. The leg can be used on a ladder without specific adaptation of the ladder. There is also disclosed a hooking support (30) for attachment to the stiles at the upper end of the ladder for supporting the ladder from a ledge or spouting. The support comprises a number of adjacent hooking portions (34a) to (34d) spaced by a fraction of the ladder rung spacing.

Abstract: A boat boarding ladder telescopically mounts to fishing rod holders fixedly secured within gunnels on either side of a boat. The ladder is of an inverted J-shaped configuration and is comprised of an ascending connector portion, a transverse bridging portion and a descending ladder portion. The ladder portion has laterally spaced standoff legs to bear against the hull of the boat and longitudinally spaced steps. The transverse portion bridges the gunnel and rest thereupon. The connector portion comprises a connector tube which extends generally downwardly and is pivotally connected to the transverse portion such that the axis of the connector tube sweeps out a conical path. The axes of the rod holders are generally orientated relative to the gunnels such that fishing rods held therewithin extend rearwardly and laterally outwardly.

Abstract: An improved apparatus supports weight on an upright structure. The apparatus has a frame with a weight bearing surface and a mechanism attached to the frame that grips the structure to hang the frame on the structure free of contact with the ground. The gripping mechanism can be easily attached to and removed from the structure by the user from a position on the ground. The force that gripping mechanism exerts to hold the frame in place upon the structure is directly proportional to the weight borne by the frame.

Abstract: An improved foldable extension escape ladder is provided and consists of a plurality of ladder segments. A mechanism for oppositely hinging each ladder segment to each other so that when in a folded position it will be used as a piece of furniture and when in an unfolded position it will be used as the escape ladder. Another mechanism is for retaining the ladder segments together in the folded up position and hanging the ladder segments by the first ladder segment, from an open window of a building in the unfolded position so that a person may climb down the escape ladder to the ground during a fire.

Abstract: There is provided a clamp for securing a ladder to an aerial cable such as telephone cable. The clamp includes first and second slots for attaching the clamp to adjacent rungs on the ladder. The clamp includes a locking mechanism, having a swivelable portion so that when the aerial cable contacts the swivelable portion the cable becomes fixed securely to the clamp thus safely supporting the ladder against the aerial cable.

Abstract: Improvements are provided in a bunk bed which includes a head board having a pair of spaced-apart legs and upper and lower transverse frames, a tail board having a pair of spaced-apart legs and upper and lower transverse frames and connecting members comprising a pair of transversely-spaced-apart upper and lower longitudinally-extending frames. A first improvement is in the form of an assembly bracket comprising an apertured side plate, an apertured face plate securely-connected thereto, and a perpendicularly-extending ledge extending along the length of the side plate. That ledge also extends from a face of the face plate and is securely-connected both to an intermediate region of the side plate and to an intermediate region of the face plate.

Abstract: A device having two C-shaped hooks and a connecting tether enable a person to assume a seated position within a swimming pool while cleaning the waterline zone of the side wall of the pool. The hooks are precisely contoured so that, when placed in angled relationship to the side wall, the lower end of the hook abuts against the side wall of the pool, and the upper portion of the hook rests upon a horizontal deck surface that surrounds the pool.

Abstract: A safety attachment for a ladder is disclosed as including an extruded channel fixed to the top of the ladder with a screw shaft having left and right hand threads disposed in the channel, pole engaging arms extend from guides mounted on the shaft threads for movement of the arm to engage and disengage relative to the pole. A pulley fixed to the shaft rotates the same by means of a rope having ends extending toward the bottom of the ladder whereby the pulley may be operated either at the top or the bottom of the ladder.

Abstract: A portable step apparatus for removable connection to the wheel or bumper of a vehicle to provide a stable platform for a person while working in the engine compartment thereof. The step apparatus comprises a support frame assembly which is securely attached to the exterior surface of the wheel or bumper by an attaching apparatus. A step assembly is adjustably attached to the frame assembly so that the user can adjust the step the desired height. Stabilizing straps may be attached to the bottom of the frame assembly and wrapped around the tire, or passed below the bumper and securely attached to the vehicle to prevent the bottom of the frame assembly from moving sideways or from being pushed away from the vehicle due to the forces generated on the step caused by a person moving around thereon or leaning into the engine compartment of the vehicle. The height of the frame attachment to the vehicle bumper is adjustable as is also the height of the step on the frame assembly.

Abstract: This invention relates to a pole gripping assembly for use in stabilizing ladders used to ascend a tree, utility pole or the like. The assembly comprises a yoke member having an arcuate shape which is connected between the side rails at an upper end of a ladder. The yoke member is connected by brackets to the side rails for pivotal movement about a transverse axis so as to pivot at least between a plane common with the lader and a plane perpendicular to the ladder. The assembly further includes a pair of arcuate gripping arms which are pivotally connected to the yoke member adjacent opposite ends thereof. The gripping arms are biased to an open position to receive a pole and pivot to a closed position when a pole moves into a pole receiving space generally between the opposite ends of the yoke member. In accordance with the invention the gripping arms hold the pole in the pole receiving space until the ladder is withdrawn from the pole.

Abstract: A device which may serve as a ridge hook for hooking a ladder unto a ridge of a roof includes two wheels mounted upon arms. A threaded rod extends through the hollow core of a ladder rung to secure the device to a ladder. An unhooking arrangement uses a pivot arm, normally biased to be parallel to the ladder, to lift an upper end of the ladder free of the ridge when a control line is pulled. A ladder rung lock is used to prevent relative movement between the upper and lower sections of an extension ladder.

Abstract: A mechanical connection element comprising a substantially rigid body having therein a cylindrical through cavity accessible via a channel to the outside of the body. This element (or anything attached thereto) can be secured simply, reversibly and perpendicularly to a cross-sectionally rectangular bar. Thus, in one orientation, the bar passes through the channel and into the cavity but in a second orientation, achieved by rotation of the bar, is retained in the cavity. Two such connection elements may advantageously be used atop a bunk-bed ladder for safe affixment to a horizontal bar of the bunk. The element ensures such a ladder be unremoveable when in operative mode.

Abstract: A deep water rescue platform incorporating a support frame with a pair of hanger arms for engagement with the side of a pool which are telescopingly adjustable with the frame, a pair of wheels attached to the bottom of the support frame for transportation and stabilizing engagement with the wall of the pool, and a platform hingedly attached to the lower end of the frame which folds into the plane of the frame during storage and a locking means for retaining the platform in its extended position.

Abstract: A ladder bracket for supporting a ladder on buildings during construction work has a pair of parallel side rails connected by transverse struts. Aligned end portions of the side rails are curved about a circular radius into hook members for engagement with a rung of a ladder to be supported. In a first embodiment, opposite ends of the side rails are each provided with three keyhole shaped apertures arranged in a triangular array. In use, the side rails are secured on an intended work surface by nails driven temporarily through the keyhole shaped apertures. In a second embodiment, a pair of securement tabs are connected by hinges to outer side edges of each of the side rails. Driven fasteners are captured within a cylindrical boss provided on each of the securement tabs. The securement tabs are pivotally mounted by the hinges and thus the driven fasteners may be secured to a variety of different intended working surfaces.

Abstract: A portable conveyor system comprises an extensible and retractable boom assembly mounted on a transportable stationary support. The boom assembly comprises a plurality of longitudinally spaced rungs defining a series of supporting surfaces for a primary load carrier of the type described in applicant's co-pending U.S. patent application Ser. No. 75,410, now U.S. Pat. No. 4,793,437. The improvements described herein include a vertically adjustable hitch mounted forwardly on a frame of the primary load carrier. The hitch is adapted for attachment to the end of the cable of a winch assembly to move the endless tracks of the carrier in full contact along the supporting surfaces of the rungs. Other improvements include modified boom and overhead bracket assemblies, a resilient suspension system for the primary load carrier and a platform assembly attachable to either end of the boom assembly to alternately function as a loading or unloading platform.

Abstract: A hook-on adjustable step and cargo platform for vehicles comprised of an upper rectangular load supporting platform member or step, two adjustable triangular support braces, and two readily interchangeable rectangular hooks. Each triangular support brace is adjustably retained in a parallel lengthwise channel on the bottom surface of the platform member. When the platform is in-use, one vertical surface of each triangular brace rest against the front of a vehicle bumper. The triangular braces can be readily adjusted forward or rearward in relative position to the two hooks. The two hooks are removably affixed to the front end of the platform member facing the bumper, one directly in front of each of the triangular braces, positioned to be hooked-over the back edge of the top surface of the bumper. The hooks are available in a variety of shapes, sizes, a lengths to accommodate a variety of styles and thicknesses of materials used in manufacturing bumpers.

Abstract: An escape ladder for side rails with multilevel dwellings comprising a pair of side rails inverted "J" hooks which are pivotal outward to engage a window sill and inward to fold. The side rails extend downward sufficiently to support two or three more steps. Extendable below the rigid portion of the ladder are a second set of steps supported by a flexible support means such as rope with intermediate spacers between steps. Upon applying pressure to the upper one of the second set of steps, the lower portion of the ladder is rigidified. The ladder, after use, may be folded and stored in a bag with the hooks used as handles.

Abstract: A flexible narrow rung rope escape ladder including a pair of parallel support ropes and a series of narrow rungs disposed between the support ropes, the support ropes being spaced from each other such that a user's foot placed on the rung cannot slip sideways during use and no more than one hand or one foot can be placed on a rung at a time.

Abstract: A sportsman's ladder for allowing convenient climbing of trees and the like includes a number of sections assembled together in telescoping relationship. Each section has secured thereto a plurality of spaced-apart steps extending laterally from opposite sides thereof in an alternating manner. The ladder further includes a tree engaging means for mounting the ladder to a tree.

Abstract: A boat platform ladder attaches at one end to the stern of a vessel and can be raised and lowered between stored and in use positions. A ladder is rotatably mounted to the opposite end of the platform. When the platform is lowered, locking mechanism fix the ladder in a perpendicular orientation relative to the platform. When the platform is raised, the ladder is unlocked so as to rotate into a parallel orientation relative to the platform.

Abstract: A mechanic's work platform for attachment to a front tire of a motor vehicle has an essentially rectangular support frame to be disposed and supported by a front tire of the vehicle. A depending framework is hingedly attached to the support frame and includes a horizontal frame covered with expanded metal or the like to provide a raised platform for the mechanic.

Abstract: Inclined telescopic booms actuated and regulated from the ground with detachable rungs forming a level track between the telescopic booms. A two-stacked load carrier, both stages on crawler type endless tracks, wherein the lower stage of the load carrier spans multiple rungs and is supported by the rungs, and is operable independent of the rungs. The chassis on the lower load carrier is comprised of two sections which are adjustable horizontally. The upper stage of the load carrier upon which cargo is hauled operates so that it can move independently on the ground, ride peggyback on the lower stage and then move independently through a window or similar opening on into the interior of a building. The load carrier and the telescopic booms are raised and lowered by a cable which is guided and supported by an overhead clamp which can be attached to the window frame of a building, to a construction platform, or to a shelf such as in a wharehouse.

Abstract: A ladder attachment consisting of 2 pair of bars with holes, connecting rods, locknuts and washers to an extension ladder it forms a frame on the outsides of the ladder that can be adjustably extended over the ridge of a roof.The attachment allows the ladder to conform to the roof's pitch and be secured to the roof's ridge, or to stabilize the ladder against a wall or over the eve of the roof avoiding damage to the gutters.

Abstract: A fire escape device for use in escaping from a structure through the screen of a screened-in area comprising in combination an elongate fire escape rope, a screen cutting knife, and a connector securing the knife to the rope adjacent one end of the rope.

Abstract: A device for retaining the upper end of a ladder to a building parapet wall or the like to securely, temporarily hold the ladder. The device is provided with a frame which is temporarily attached to the ladder and projects outwardly therefrom to extend over the building parapet wall. A clamp is attachable to the frame in various positions to entrap the parapet wall between the clamp and the ladder preventing a relative movement thereof.

Abstract: A sportman's ladder for allowing convenient climbing of trees and the like includes upper and lower sections assembled together in telescoping relationship. Each section has secured thereto a plurality of spaced-apart steps extending laterally from opposite sides thereof in an alternating manner. The upper section includes a tree limb engaging hook formed as a square, cornered structure having angled gussets at the corners thereof for structural bracing and for improved modes of engagement on the tree limb. The upper section also has a pair of cleats which receive and mount the lower section to the upper section in stacked relationship with respect thereto for convenient carrying of the upper and lower sections when unassembled.

Abstract: A foldable ladder having a plurality of rigid steps and inwardly folding arms pivotably secured to the steps so as to be rigid in use by capable of being folded for storage.

Abstract: An escape ladder at rest is an elongated cylindrical body divided lengthwise with a plurality of rung devices hingeably attached between rear quadrants and between front quadrants lockable in a horizontal position and foldable into the tubular body when left and right quadrants and mated together. Right quadrants and left quadrants are interlocked together to allow the interlocked quadrants to slideably move only lengthwise in relation to each other.

Abstract: A boarding ladder which may be mounted on a topsides surface of a boat to be swingable between a raised position where all parts of the ladder are above the waterline of the boat and a lowered position where at least one step of the ladder extends below the waterline is formed of a step unit and a mount unit. The step unit has a pair of spaced apart tubular siderails carrying flat tread steps so as to permit the angle of their flat treads to be varied relative to the siderails. A tubular cross member extends across the top ends of the siderails. The mount unit has a pair of spaced apart, tubular sections rotatably carried on the cross member of the ladder unit and which extend normally thereof. Mounting members into which such tubular sections fit permit the ladders to be mounted on the topsides surface of a boat while supporting the ladder in a proper operating posture.

Abstract: An extension ladder roof support attachment for a ladder that has side rails is provided and consists of a pair of base arms extending from upper portions of said side rails, a pair of angular arms extending from upper portion of said side rails above said base arms and attached to outer ends of said base arms, a cross brace extending diagonally between said angular arms and a stabilizing member extending between said base arms which can sit upon a roof of a building. In a modification the base arms and angular arms are adjustable to various roofs and buildings.