Abstract: An illustrative example embodiment of an elevator system includes a platform and a plurality of supports configured to selectively engage a nearby structure. The plurality of supports include at least a first support and a second support. The first and second supports alternate between engaging the nearby structure to support the platform while the other one of the supports is disengaged from the nearby structure. At least one of the first and second supports is configured to move relative to the platform while engaging the nearby structure to cause vertical movement of the platform.

Abstract: A modular hunting blind with individual components configured to be stored in the base with the top and roof serving as a container top to store and ship the modular hunting blind. The components may be readily assembled on site for placement on the ground or on a stand or platform with minimal tools.

Abstract: A smart luggage system includes a piece of luggage configured to store items for transport and a handle coupled to the luggage. The handle includes a pull rod coupled to a connecting rod. One or more cameras are disposed in a top portion of the pull rod and configured to take a photograph and/or video. One or more cameras are coupled to the luggage and/or the handle and configured to take a photograph and/or video.

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: An adjustable platform assembly for supporting workers and supplies about an elevated work site, the platform assembly being movably supported on an articulable support, the platform comprising a stationary rear bridging panel arrangement having an elongated side platform member comprising a floor and railing assembly at each end thereof, wherein each elongated side platform member floor and railing assembly is independently movable on support members forwardly, rearwardly, transversely and angularly with respect to the bridging panel arrangement, to change the platform assembly back and forth between a generally “H” shape to a generally “U” shape, or any skewed combination thereof, as required.

Abstract: A hydraulic control valve, a dual-cylinder extension system and an aerial work engineering machine. The control valve comprises a flow distributing and collecting valve, and control valve body is provided with a first oil opening, a second oil opening and a third oil opening. A first oil opening, a second oil opening and a third oil opening of said flow distributing and collecting valve are respectively communicated with the first oil opening, the second oil opening and the third oil opening of the valve body. The control valve has two working states, wherein, in the first working state, the oil path between the second oil opening and the third oil opening of the valve body is blocked; and in the second working state, the oil path between the second oil opening and the third oil opening of the valve body is opened.

Abstract: A crawler undercarriage configured for modular attachment of work tools wherein the crawler undercarriage operates on at least two endless crawler tracks. Each crawler track extends around and is driven by a crawler sprocket at one extremity of its travel and extending around an idler roller at its other extremity of travel. The crawler undercarriage configured for modular attachment of work tools comprising a longitudinally extending center channel for securing a modular tool. The crawler undercarriage also includes at least one substantially vertical support member extending upwardly from the center channel. The crawler undercarriage also includes at least one mounting bracket secured to extending upwardly from the substantially vertical support member, wherein the modular member is secured to the at least one lower mounting bracket on the substantially vertical support member.

Abstract: A combination front end loader and man lift. The front end loader includes an adjustable frame with front and rear portions that extend or retract with respect to each other. The front portion is supported by a first pair of wheels and said rear portion is supported by a second pair of wheels. Each wheel is independently driven and steered. The front end loader also includes an engine mounted on the rear portion of the frame. Incorporated into the vehicle is an electro-hydraulic assembly which enables extension and retraction of the adjustable frame. The assembly includes a sensor-responsive microprocessor controller, at least one hydraulic pump, at least one hydraulic drive motor and at least one valve network. The hydraulics control a man lift which attaches to the front of the loader. The man lift can be moved by the loader to a desired location and then raised.

Abstract: A self-propel accessory provides an easily attachable optional drive function for a platform device. The platform device is supported by a device frame including a wheel at a rear end and a post at a front end. The self-propel accessory includes an accessory frame attachable to the device frame via a bracket, a driving wheel connected to the accessory frame, a motor operatively coupled with the driving wheel, and a handle connected to the accessory frame. The accessory frame is pivotable between a disengaged position and an engaged position, and a weight of the platform device biases the accessory frame toward the disengaged position.

Abstract: An aerial lift comprises a chassis equipped with movement means for moving on the surface of the ground, a platform, means for elevating the platform relative to the chassis, and a cell for measuring the weight of the load supported by the platform, said cell having a body supporting at least one sensor and extending along a longitudinal axis. A geometric enclosure surface of the body, around the longitudinal axis, converges toward that axis, and the force measuring cell is embedded, along an embedding axis, in a housing defined by a surface with a shape complementary to the geometric enclosure surface, provided in a support structure of the platform.

Abstract: A self-moving operating machine with an axle having variable wheel gap, includes a chassis (1) to which a first axle (2) and a second axle (3) are bound respectively, and by which an operating arm (4) is supported, which is hinged with its base to the chassis (1) and carries a tool (5) at its free end. The first axle (2) and the second axle (3) are parallel to each other and provided with a pair of wheels (12) and with a pair of wheels (13) respectively. The first axle (2) has a length that varies upon command and includes at least two half-axles (2a, 2b) which are co-aligned and coupled to each other in axially sliding way. At least one of the half-axles (2a, 2b) is coupled in axially sliding way in a seat (10) made in a body (11) integral with the chassis (1) along a direction parallel to that of relative axial sliding between the two half-axles (2a, 2b).

Abstract: A deck deployment system is adapted to facilitate transfer of personnel between spaced elevations. The deck deployment system includes a deck defining a substantially flat and continuous deck surface for supporting personnel. A convertible stairway is hinged to the deck and adapted for movement between a stowed condition and a deployed condition. The convertible stairway includes an adjustable frame assembly and a series of articulating horizontally-disposed foot treads carried by the frame assembly. The foot treads remain substantially horizontal upon movement of the stairway between the stowed condition and the deployed condition. When the stairway is in the stowed condition, the foot treads integrate with the deck to form a substantially flat and continuous portion of the deck surface. When the stairway is in the deployed condition, the foot treads cooperate to form steps extending from the deck to an elevation spaced from the deck surface.

Abstract: A vehicle-attached lifting device and tool support is provided. The device comprises a dual-rail frame supported in an upright configuration by the vehicle tow hitch, wherein an internal subassembly support frame is positioned between the rails for the purposes of supporting different lifting and tool support subassemblies. Along the sides of the upright frame is a pair of ground support members that extend downward towards the ground to support the frame during operation, preventing the load from compressing the vehicle suspension or damaging the same. A winch controls the vertical positioning of the support frame within the dual-rail frame, which controls the position of a lifting or tool support subassembly. Many subassemblies are contemplated for use with the present invention for the purposes of assisting a user without requiring manual input therefrom. The device can also adjust with relation to the vehicle using different trailer hitch attachments.

Abstract: A control system optimized for low-power operation includes an electronic valve controller for controlling a hydraulic valve and a control interface for receiving operating commands from a user and communicating the operating commands to the electronic valve controller. The control interface includes a multi-function single hand control with a plurality of position indicating elements for detecting actuation of the single hand control, a master enable associated with all of the position indicating elements, and a plurality of individual enable elements each associated with one of the position indicating elements. A controller directs operation of the control interface and is configured to sample a position indicating element only if the master enable is asserted and the corresponding individual enable element is asserted. Other aspects of the control system minimize power consumption, including fast sampling that allows the controller to spend more time in a low power mode.

Abstract: An extension boom apparatus provides a pair of orthogonally connected extension booms and a distal mounted personnel basket adapted for leveraged connection to an excavator.

Abstract: A lift system is coupled between a work platform and a mast on a mast lift. The lift system includes an overload clutch that slips upon an overload on the lift system, an overrun brake that prevents the lift system from running beyond a fully lowered position and that prevents the lift system from running if the platform is hung up, and an emergency brake. The lift system is safe and lightweight and is effective for controlling a position of the work platform on the mast.

Abstract: A work platform for a personnel lift includes a floor structure, a safety rail coupled with the floor structure and defining a personnel work area, and a control panel area. A protection envelope surrounds the control panel area and enhances protection for an operator from an obstruction or structure that may constitute a crushing hazard. In one arrangement, the protection envelope includes protection bars on either side of the control panel area extending above the safety rail relative to the floor structure. In another arrangement, the protection envelope includes a platform switch that is configured to trip upon an application of a predetermined force.

Abstract: A joystick controller is disclosed for controlling speed of a boom lift platform, the controller having motors or the like that provide tactile feedback that is intuitively interpreted and adjusted by the user of the joystick speed control, the joystick being neutrally-biased to effect a null velocity when the joystick is positioned in a neutral position, but the tactile feedback forcing the joystick away from neutral to a degree that represents the platform's actual speed.

Abstract: A hunting blind is disclosed for use with a utility trailer that includes a rectangular base, each side thereof having a different relative height than the others. The base is adapted for removable attachment with the frame of the utility trailer. Four walls are fixed with the base each with at least one hinge and are selectively fixed together in a deployed position. A roof may be included and fixable with a top edge of at least two of the walls. The walls may be folded down over the trailer in turn to achieve a collapsed configuration suitable for towing. The trailer frame may include both a vehicle platform fixed above the walls when collapsed for transporting an ATV, and a game platform for holding caught game thereon.

Abstract: A lift platform includes a base unit (4), a lifting mechanism (8) and an operator cage (14) attached to the lifting mechanism, a set of wheels (16) and a set of static support elements (18). The base unit (4) is constructed and arranged for conversion between a static configuration in which it is supported by the static support elements (18) and a mobile configuration in which it is supported by the wheels (16).

Abstract: A selectable flow divider drive system includes a hydraulic fluid reservoir and a plurality of drive motors in fluid communication with the hydraulic fluid reservoir. A hydraulic pump is connected between the hydraulic fluid reservoir and the plurality of drive motors and directs hydraulic fluid from the hydraulic fluid reservoir to the plurality of motors. The hydraulic pump is operable in a high flow condition and a low flow condition. A flow divider component is interposed between the hydraulic pump and the plurality of motors. The flow divider component selectively divides hydraulic fluid flow to each of the plurality of drive motors, where a flow divider of the flow divider component is sized for the low flow condition of the hydraulic pump. A bypass valve is disposed upstream of the flow divider that selectively bypasses the flow divider when the hydraulic pump is operated in the high flow condition.

Abstract: A ladder safety device, systems and methods of arresting falls from ladders are provided. The ladder safety device includes a safety guide that extends along the length of an extension ladder. The length of the guide along the length of the ladder extends and contracts in unison with the extension and retraction of the extension ladder, and a tension is maintained on the guide to maintain a load during use of the ladder for climbing.

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 collapsible hunting stand includes an observation platform preferably having a seat rotatably attached thereto. A first auxiliary support structure may be pivotally connected to the observation platform. A second auxiliary support structure may further be pivotally connected to the first auxiliary support structure and adapted to be statically affixed to the vehicle respectively. A first pair of support leg members may be pivotally mated to the observation platform and adapted to be removably attached to the vehicle respectively. A second pair of support leg members may be pivotally mated to the observation platform and removably attached to the first auxiliary support structure respectively. The first and second auxiliary support structures may be vertically aligned along a vertical axis while the first and second pairs of support leg members are obliquely offset relative to the vertical axis when the observation platform is biased to the associated raised erect position respectively.

Abstract: A carriage frame includes first and second side members supporting a floating fork pin, where the floating fork pin is movably mounted in respective fork pin slots in the first and second side members and is adapted to receive load carrying forks. The first and second side members each includes a locking aperture positioned spaced from the fork pin slots. A pair of lock plates are secured to ends of the floating fork pin, respectively, where each of the lock plates includes a lock pin slot and a lock pin hole positioned in substantial alignment with the locking apertures in the first and second side members. A pair of fork pin locks extend through the locking apertures of the first and second side members and are selectively extended through one of the lock pin slot and the lock pin hole.

Abstract: This implement attaches to the hydraulic system of a front-end loader for a tractor or similar vehicle. It has two planar surfaces, a deck and a back, that are fastened together at an approximately 90 degree angle. The deck is constructed primarily of wooden or synthetic boards or sheets, supported below or above by two or more steel angle irons or channel irons bolted to the boards or sheets. The back consists of a similar combination of boards or sheets, irons, and bolts, with a grill or strips possibly replacing some boards or sheets in the upper part. Each deck support is fastened to a back support using one or two steel braces or gussets, bolted or welded to the supports. Two steel yokes are fastened to the back, suitable for attaching the carrier to the front-end loader hydraulics. The carrier can be lifted and tilted by the front-end loader system, just as the system would do with its normal bucket attachment.

Abstract: A vehicle-mounted personnel access platform assembly is designed for mounting on a tactical vehicle. The platform assembly includes at least one mounting brace, and at least one access platform carried by the mounting brace. The access platform defines a raised horizontal surface for supporting personnel at an elevated location adjacent a body of the tactical vehicle. A protective wall adjacent the access platform is adapted for residing a spaced distance from the body of the tactical vehicle to protect personnel staged on the access platform.

Abstract: A material support assembly (21) for use on an aerial lift work platform (12) surrounded by a safety barrier (17) with a kick plate (14) adjacent the platform (12), the assembly (21) having at least one leg (22 or 23) mounted on a foot (24) which rests on the platform (12), the leg and foot having a first coupling means (31) for securing the assembly (21) to the kick plate(14) on one side of the platform and a further coupling means (32) for engaging the kick plate (14) on the opposite side of the platform, the further coupling means (32) preferably being located at the end of an arm (25) extending away from the foot (24) and resting against the platform.

Abstract: A service platform (1), typically for servicing (including cleaning) wind turbine blades (200), comprising a cradle (2) having at least one mounting point (6) by means of which the cradle (2) can be lifted, and a plurality of elongate brushes (3) mounted from the cradle (2) so as to extend vertically from the cradle (2) when the service platform (1) is lifted using the or each mounting point (6). Typically, the service platform (1) will be lifted on an extendable boom (100).

Abstract: A platform lift for use with a vehicle includes a platform assembly having a plurality of support legs, and a lift mechanism having a support portion moveable between at least a first position and a second position. The platform assembly may be configured to be supported by the support portion when the support portion is in the first position, and further configured to be supported by the support legs substantially independent from the lift mechanism and the vehicle when the support portion is in the second position.

Abstract: An outrigger is disclosed for stabilizing a wheeled vehicle having an extensible service equipment mounted to a chassis thereof. The outrigger is deployable between a stowed and a deployed position where a foot of a telescopic leg assembly comes into contact with the ground thus stabilizing the vehicle. The telescopic leg assembly is mounted to the chassis of the vehicle such that travel of the foot is initially in a horizontal direction with no downward component followed subsequently by travel in a substantially vertical direction with limited horizontal movement such that when the foot comes into contact with the ground, lateral forces are limited. There is also disclosed a stabilized wheeled vehicle comprising opposed pairs of outriggers.

Abstract: An aerial work platform assembly includes: a) a platform shaft retaining assembly; b) a mounting bracket connected to the platform shaft retaining assembly; and c) a platform connected to the mounting bracket. The platform shaft retaining assembly includes two concentric apertures for installation of a pivot shaft therein; the mounting bracket having an upper gusset member and a center gusset member that are bonded together and that include horizontal portions to which the pivot shaft is bonded; upper and lower platform pins; a valve bracket; a platform bracket; and upper platform pins that provide for pivoting on a lower platform pin and tilting down of the platform thereby. At least one of the platform shaft retaining assembly, the mounting bracket, the platform, the upper and lower platform pins, and the valve bracket are molded from at least one monomer having at least one norbornene functionality, such as polydicyclopentadiene.

Abstract: An elevatable platform system for mounting on a vehicle having an elevatable platform elevatable by a collapsible support structure. The support structure is adapted to move the elevatable platform between a lowered position in which the elevatable platform is positioned at a height proximate to or below the height of the vehicle and an elevated position in which the elevatable platform is elevated above the vehicle. Support legs integrated into the support structure can be deployed from the support structure when the elevatable platform is elevated to further stabilize the elevated platform.

Abstract: A portable observation tower and system of raising and lowering the tower is disclosed. The tower has a tower box with two fixed sectioned front legs and two hinged sectioned back legs. To raise the tower front legs are pulled toward back legs with a winch system mounted on a trailer hitch system. Rolling landing gear is lowered and drawn by winch to a front most locking position. This raises the mid section of tower box reducing the angle of front legs to back legs. Once complete the winch line can be attached to an axle of back legs to draw back legs to front legs. This process elevates tower to its full upright position. Wheels are provided on back legs and on trailer hitch system for movement of the tower. The lowering process occurs in reverse order of the raising process.

Abstract: Ladder set (10) for hoisting rescue vehicles with a plurality of telescopically extendable ladder parts, including a base part (12) mounted on a vehicle, an end part (18) and a number of connecting parts (14,16) disposed inbetween, an extension cable (22) for extending ladder parts (12,14,16,18), a traction device (28) mounted in the region of base part (12) for extension cable (22) and a roller arrangement for guiding the cable, with roller pairs (32,34) mounted on connecting parts (14,16), of which each front roller (36,38) of pairs (32,34) is disposed on the end of a connecting part (14,16) pointing in the direction of extension, and a rear roller (40, 42) of pairs (32,34) is disposed on the opposite end of this connecting part (14,16), and a deflecting roller (44) on the end of base part (12) pointing in the direction of extension, via which extension cable (22) is guided in the direction of the traction device (28), characterised in that extension cable (22) is secured to end part (18) by its end opposit

Abstract: A bell crank and a mechanical link are included in an aerial lift system to mechanically constrain motion of a two-boom aerial lift mechanism to prevent the aerial lift system from accessing unstable positions. Typically an aerial lift is coupled to a vehicle via a turntable. The turntable includes a counterweight on a rearward side of the turntable to balance the booms and associated hardware as they are extended in a forward direction. If the booms are in certain rearward, or even vertical positions, the counterweight can cause the vehicle to tip and such unstable positions are to be avoided. By providing the bell crank proximate the pivot joint between upper and lower booms, with the bell crank coupling at pivot joints with: the lower boom, the mechanical link, and an upper hydraulic cylinder, the booms of the aerial lift system are mechanically constrained to avoid vehicle tipping.

Abstract: A system attaches a hunter's tree stand to an ATV in order to allow the ATV to easily tow the tree stand. A bracket is removably attached to the rear deck of the ATV, the bracket having a receiver/. A coupler is removably attached to the tree stand and is removably received within the receiver, the coupler being able to pivot both up and down and side to side. A pair of wheels are each attached to a respective one of the bottom of the legs of the tree stand.

Abstract: This elevating platform comprises a chassis equipped with a motor drive unit and with ground-engaging means, a platform, elevator means for elevating the platform relative to the chassis, sensors, each delivering a signal representative of the configuration of the elevating platform or of its environment, and a control unit for controlling the elevator means as a function of a plurality of parameters, including parameters corresponding to the signals delivered by the sensors. The elevating platform further comprises selector means for selecting at least one priority parameter and a threshold value for said parameter. The control unit is suitable for determining operating conditions for the elevating platform under which the threshold value for the priority parameter can be reached, and for controlling at least the elevator means within the limit of these operating conditions.

Abstract: A vehicle for lifting a load with respect to a support surface includes a load carrying member configured to carry the load, a frame, and a support assembly coupling the load carrying member and the frame. The support assembly is configured to move the load carrying member between stowed and deployed positions with respect to the flame. The vehicle further includes a plurality of motion devices that support the frame relative to the support surface, and the motion devices are configured to move the frame along the support surface. In addition, the vehicle includes a control system associated with the motion devices and configured to determine contact forces between the motion devices and the support surface. The control system is further configured to determine stability of the vehicle based on the contact forces.

Abstract: A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacle is mounted on the arm of the support at a position located over the base for attachment to a personal fall arrest system including a harness for one or more persons, with the receptacle, base and support being designed and arranged to receive a loading from the personal fall arrest system sufficient to accommodate a fall of the person from the elevated structure.

Abstract: A tactical vehicle incorporates a line deployment tower adapted for use by personnel transferring between an elevated location on the vehicle and a remote target location. The line deployment tower includes a base mounted to the vehicle at the elevated location. An elongated line boom has a proximal end attached to the base, and an opposite distal end. A flexible line is secured to the distal end of the line boom, and is adapted for extending downward from the elevated location when deployed.

Abstract: An adjustable platform assembly for supporting workers and supplies about an elevated work site, the platform assembly being movably supported on an articulable support, the platform comprising a stationary rear bridging panel arrangement having an elongated side platform member comprising a floor and railing assembly at each end thereof, wherein each elongated side platform member floor and railing assembly is independently movable on support members forwardly, rearwardly, transversely and angularly with respect to the bridging panel arrangement, to change the platform assembly back and forth between a generally “H” shape to a generally “U” shape, or any skewed combination thereof, as required.

Abstract: A towable elevatable stand includes a platform that is always elevated above a trailer bed to at least a minimum elevation, but can be easily raised to selected elevations up to almost double the minimum elevation. This allows for carrying ATV, supplies, etc. on the trailer bed under the platform. Telescoping corner posts with latch pins for securing the platform at selected elevations can be combined with a simple winch, pulleys and cables for raising/lowering the platform. Commercially available parts, light weight materials, and a simple elevating apparatus produce a light weight, cost effective stand that is easy to use, tow and maintain, and which minimizes wind resistance. The platform is perforated for drainage and light weight, and the blind is a pop-up tent that is stowed for towing.

Abstract: An aerial work platform assembly is provided, comprising a platform shaft retaining assembly; a mounting bracket connected to the platform shaft retaining assembly; and a platform connected to the mounting bracket; wherein the platform shaft retaining assembly, mounting bracket, and platform are constructed from the same or differing composite materials comprising a fabric-reinforced resin. Optionally, the fabric-reinforced resin includes a perform fabric having a conformable three-dimensional weave, and the resin is a dielectric resin selected from either epoxy, epoxy vinyl ester, vinyl ester, polyester, or phenolic.

Abstract: A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacle is mounted on the arm of the support at a position located over the base for attachment to a personal fall arrest system including a harness for one or more persons, with the receptacle, base and support being designed and arranged to receive a loading from the personal fall arrest system sufficient to accommodate a fall of the person from the elevated structure.

Abstract: A method for erecting a platform is presented. The method includes providing a selectively liftable platform mechanism wherein the platform mechanism generally includes a platform, a trailer, at least one support bar, and a ladder. The at least one support bar and the ladder provide structural support for the platform when the platform is raised above the trailer. The at least one support bar has a proximal end pivotally connected to a first end of the trailer, and a distal end pivotally connected to the platform. The ladder has a distal end pivotally connected to the platform, and a proximal end pivotally and slidably connected to the trailer. The proximal end of the ladder is movable along a longitudinal axis of the trailer in order to level the platform in its raised position. The platform mechanism also includes a cable operatively connected to the platform.

Abstract: A mobile hunting blind includes a platform that may be raised and lowered to accommodate handicapped persons in a vehicle for transportation of the hunting blind and the person. The platform has a hunting blind wrapped around it and has a turntable that allows a person to spin within the hunting blind.

Abstract: A multiple task mobile working platform having a generally rectangular platform frame is provided. An adjustable scaffold leg member support allows for attachment of a variety of scaffolds of different dimensions. An angled tubular bracket allows for attachment of legs members in different positions to allow for maximum stability where there is sufficient space and for a more compact foot print when the working platform must be placed close to a building or object. Precise leveling of the working platform, removable safety side rails and an optional trailer are also disclosed.

Abstract: A portable hunting stand that can be elevated is described. The hunting stand may be trailer mounted for towing to a desired site. The trailer may have multiple jack stands or similar devices to level the trailer on uneven ground. The hunting stand can be raised from ground level without requiring the user to climb steps or a ladder. The hunting stand can use various types of motors or mechanical devices to raise the stand above the ground surface, including hydraulic pumps and motors.

Abstract: A device is provided which can be converted from a transporting cart to an erecting hoist for a hunter's tree ladder stand. The device includes components which can be assembled into the cart, disassembled, and re-assembled into the hoist which allows one person to transport the ladder stand, and to raise and lower the ladder stand to and from a position against a tree. The hoist includes a clamp with jaws which can be operated by the hunter on the ground so as to secure the hoist to the tree. A rope or cable extends through a pulley on the hoist so that the ladder stand can be raised into position by a hunter, single-handily. The hunter can then climb the ladder stand, which is secured to the hoist, which is secured to the tree, and further attach the platform of the ladder stand to the tree with one or more straps.