Class / Patent application number | Description | Number of patent applications / Date published |
182630100 | HAVING TRANSPOSITIONING BASE AND ERECTING MEANS | 64 |
20080230312 | Vehicle Supported, Portable Scaffold System - A vehicle-supported, portable scaffold system. The scaffold system includes a frame structure having a vertical tower and a base. The vertical tower operably supports a platform assembly vertically movable along a length of the vertical tower between a lowermost position and an uppermost position. An actuator is operably disposed to selectively move the platform assembly along the length of the vertical tower between the lower most position and the uppermost position. A vehicle mount is adapted to securely but removably attach the scaffold system to a vehicle, wherein during use, the vehicle remains attached to the scaffold system for stability. | 09-25-2008 |
20090071751 | PORTABLE AERIAL PLATFORM - The invention is directed to a vertically and horizontally-controlled, retractable aerial platform mountable on the bed of a vehicle for supporting a person or materials. The aerial platform includes a base, at least one support arm, a first support member, a second support member, a platform, and actuation means. The aerial platform may further include a collapsible frame. The aerial platform is vertically and horizontally-controlled, allowing a workman to adjust both the height and extension distance of the platform so that work functions can be readily performed. The aerial platform is portable, compact and suitable for use in a variety of commercial vehicles. | 03-19-2009 |
20090107762 | Selectively Liftable Platform Mechanism, and Method for Erecting a Shooting House - 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. The method includes turning a winch in order to apply tension to the cable; further turning the winch so as to raise the support bar to an angle of approximately 45° relative to the trailer, and thereby elevating the platform; and still further turning the winch so as to raise the support bar and the ladder to an angle greater than 45° relative to the trailer and producing a tilt to the elevated platform. The method then includes sliding the proximal end of the ladder along the trailer so as to level the platform into a horizontal orientation in its raised position. | 04-30-2009 |
20090229914 | DEVICE FOR TRANSPORTING AND ERECTING A HUNTING LADDER STAND - 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. | 09-17-2009 |
20090236179 | PORTABLE AND MECHANIZED ELEVATED HUNTING STAND - 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. | 09-24-2009 |
20100276227 | Tactical vehicle with line deployment tower - 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. | 11-04-2010 |
20100276228 | Mason's adjustable chimney-platform arrangement - 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. | 11-04-2010 |
20110168490 | Articulated Boom Lifting Arrangement - 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. | 07-14-2011 |
20110203872 | LADDER SET FOR HOISTING RESCUE VEHICLES - Ladder set ( | 08-25-2011 |
20120211304 | VEHICLE MOUNTED ELEVATABLE PLATFORM SYSTEM - 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. | 08-23-2012 |
20120305332 | Material support assembly - A material support assembly ( | 12-06-2012 |
20120318612 | VEHICLE-MOUNTED PERSONNEL ACCESS PLATFORM ASSEMBLY - 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. | 12-20-2012 |
20130025971 | FRONT-END CARRIER FOR TRACTOR - 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. | 01-31-2013 |
20130037348 | Carriage Frame and Fork Pin Lock Assembly - 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. With the fork pin locks extending through the lock pin slots, the floating fork pin is movable in the fork pin slot, and with the fork pin locks extending through the lock pin holes, the floating fork pin is prevented from moving in the fork pin slot. | 02-14-2013 |
20130068558 | Personnel basket - 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. | 03-21-2013 |
20130087410 | LIFT PLATFORM - A lift platform includes a base unit ( | 04-11-2013 |
20130087411 | SELECTABLE FLOW DIVIDER DRIVE SYSTEM - 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. | 04-11-2013 |
20130220734 | Tactile Feedback for Joystick Position/Speed Controls - 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. | 08-29-2013 |
20130240296 | MAST LIFT AND MAST LIFT SYSTEM - 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. | 09-19-2013 |
20130313044 | EXTENSION BOOM APPARATUS - 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. | 11-28-2013 |
20130341124 | Vehicle-Attached Lifting and Tool Support Device - 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. | 12-26-2013 |
20140041962 | SELF-MOVING OPERATING MACHINE WITH VARIABLE AXLE WIDTH - A self-moving operating machine with an axle having variable wheel gap, includes a chassis ( | 02-13-2014 |
20140246270 | AERIAL LIFT COMPRISING A WEIGHT MEASURING CELL - 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. | 09-04-2014 |
20140311825 | SELF-PROPEL ACCESSORY - 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. | 10-23-2014 |
20140360811 | Tracked Undercarriage Adapted For Modular Reconfiguration - 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. | 12-11-2014 |
20150075904 | Mason's adjustable chimney-platform arrangement - 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. | 03-19-2015 |
20150316079 | CONTROL VALVE AND SYSTEM WITH PRIMARY AND AUXILIARY FUNCTION CONTROL - A method of controlling a hydraulic system having a hydraulic lift function and an auxiliary function includes disabling the hydraulic lift function and the auxiliary function by routing pump flow to tank and opening the lift function and auxiliary function to tank with a single valve; enabling the lift function by closing pump flow to the auxiliary function and routing pump flow to the lift function with the single valve; and enabling the auxiliary function by closing pump flow to the lift function and routing pump flow to the auxiliary function with the single valve. | 11-05-2015 |
20160016771 | MODULAR MAN-LIFT APPARATUS - A modular man-lift apparatus includes a receiver unit having a trailer attachment along one end, a power winch, and an articulating connector along a distal end. A main shaft assembly is secured to the articulating connector, and a sliding unit having a plurality of opposing wheels is secured to the shaft assembly. A lift basket is secured onto the sliding unit, and a stabilizer unit extends outward from the receiver unit. | 01-21-2016 |
20160046455 | MOBILE ACCESS UNIT AND CAGE - Fall restraint equipment comprising a mobile access unit having a mobile platform portion, a ladder portion, and a cage portion. The components of the fall restraint equipment are formed from butterflying, lasering, cutting, bending, and/or stamping continuous pieces of tubular and sheet metal. The components of the mobile access unit are modular and include adapters of varying height that cause the mobile access unit to exhibit varying height. Also, the mobile access unit is adaptable so that it can roll in a first direction of orientation of the ladder or a second direction perpendicular to the first direction. | 02-18-2016 |
20160046471 | Communication Assembly - A communication assembly includes a crane structured to elevate a platform coupled to the crane. A remote unit is held by a first user in the platform of the crane. A remote processor is coupled to the remote unit. A remote transceiver is coupled to the remote unit. A pair of sticks is coupled to the remote unit. The sticks are manipulated by the first user to issue a selected one of a plurality of movement commands with respect to the platform of the crane. A base unit is positioned within a cab of the crane. A base processor is coupled to the base unit. A base transceiver receives the movement commands from the pair of sticks. A display is coupled to the base unit and displays indicia relating to the movement commands. The second user manipulates the platform of the crane to correspond to the movement commands. | 02-18-2016 |
182640100 | Ladder pivotably mounted on transpositioning base (e.g., on vehicle) | 10 |
20090301813 | ELEVATOR WORK PLATFORM ASSEMBLY - The elevator work platform assembly comprises a base movable over ground, an intermediate platform, a first stairway pivotally linked to the base and the intermediate platform and leading from one to the other, a work platform, a second stairway pivotally linked to the intermediate platform and the work platform and leading from one to the other, a linkage pivotally linked to the base and the first and second stairways, and an actuator capable of actuating the linkage and first and second stairways to move the work platform between a collapsed position in which it is adjacent to the base and a deployed position in which it is located away from the base. The stairways have self-levelling steps to allow access to the work platform in all positions thereof between the collapsed and deployed positions. | 12-10-2009 |
20120261213 | VEHICLE OUTRIGGER AND STABILIZED VEHICLE USING SAME - 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. | 10-18-2012 |
20140041963 | Deployable Hybrid Mobile Elevating Access Platform - The invention is a mobile maintenance stand that combines the function of an adjustable stairway and hydraulic scissor lift that independently elevates and descends an access work platform to support maintenance tasks on commercial and military aircraft. The elevating access work platform has an extended reach of 144′ and is initiated by a secondary hydraulic scissor lift that promotes upward extension beyond the parameters of the adjustable stairway reach, to provide further maintenance access. The additional extension range of the access work platform with a hydraulic scissor device, provides vertical movement to the work deck at all check levels. Further, this invention is self-contained that collapses to a compact dimension and be transported on an air cargo pallet. Thus, the invention's mechanical scheme of the scissor lift to extend access work platform beyond the adjustable stairway is novel and, is unlike any existing articulating stairway and, or scissor embodiments. | 02-13-2014 |
20160108672 | VEHICLE ACCESS SYSTEM - A vehicle access system and method with retractable access means, e.g., ladder or stairs and a retracting mechanism therefor. Force applied to the access means is sufficient to retract the access means from a fully deployed position to a partially retracted position but not sufficient to not be physically resisted by a user during at least part of the retraction. With the access means in a fully retracted position, force exerted on the retracted access means can be sufficient to hold the access means in a retracted position without the need for auxiliary restraining means. | 04-21-2016 |
182650100 | About vertical axis | 6 |
182660100 | Extension ladder (i.e., ladder having sliding section) | 5 |
20130206507 | LADDER SAFETY DEVICE, SYSTEMS AND METHODS OF ARRESTING FALLS FROM LADDERS - 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. | 08-15-2013 |
20150129358 | LADDER SAFETY DEVICE, SYSTEMS AND METHODS OF ARRESTING FALLS FROM LADDERS - A ladder system is provided. The system includes an extendable ladder and a ladder safety device. The extendable ladder includes at least a first section and a second section. The ladder safety device includes a first guide rail secured to the first section, a second guide rail secured to the second section, an a guide rail intersection portion that merges the first guide rail into the second guide rail at a point of intersection. The guide rail intersection portion allows the first guide rail to slide with respect to the second guide rail such that the point of intersection changes as the second section extends or retracts with respect to the first section. | 05-14-2015 |
20160145941 | OUTRIGGER ASSEMBLY FOR A FIRE APPARATUS - A quint configuration fire apparatus includes a chassis, a body assembly coupled to the chassis and configured to receive a ground ladder, a fire hose, a pump, and a water tank, a ladder assembly including a plurality of extensible ladder sections, the ladder assembly having a proximal end that is coupled to the chassis, a single front axle coupled to a front end of the chassis, a single rear axle coupled to a rear end of the chassis, a single set of outriggers coupled to the chassis and positioned forward of the single rear axle, and a stability foot coupled to the chassis and positioned rearward of the single rear axle. The ladder assembly is extensible to provide a horizontal reach of at least 100 feet. | 05-26-2016 |
182660200 | Motor operated | 2 |
20150096835 | Aerial Ladder Truck - The present invention relates to an aerial ladder truck to allow the height of a rear end of an extensible ladder, which is a connection end thereof connected at the rear of a bed of the truck, to be freely adjusted so that articles may be loaded in a space below the extensible ladder and above the truck bed. The aerial ladder truck includes a vehicle having a bed at the rear thereof, a ladder turret provided to the bed to pass therethrough, an extensible post fixedly passing through the ladder turret and standing upright, the height of the top thereof being adjustable, an extensible ladder having a rear end connected to the top of the extensible post by means of a first hinge shaft so that the angle thereof is changeable, and a moving bucket provided at the top thereof, and an angle adjusting cylinder for changing the angle of the extensible ladder, the cylinder having a rear end connected at the front of the top of the extensible post by means of a second hinge shaft and a front end connected to the bottom of the extensible ladder by means of a third hinge shaft. | 04-09-2015 |
20150361721 | Aerial-Ladder Truck with Bed Extensions - This disclosure pertains to industrial trucks, and in particular to aerial-ladder trucks with bed extensions. An aerial-ladder truck consistent with the present disclosure includes a cab at a front thereof and a truck bed at a rear thereof. The back end portion of the truck bed includes bed extensions that are slidably coupled in a transverse direction to the back end portion of the truck bed. When the bed extensions are engaged, the width of the truck bed increases by a length that the bed extensions extend from the truck bed. The aerial-ladder truck further includes a ladder turret provided to the truck bed to pass there through. The aerial-ladder truck further includes an extensible post fixedly passing through the ladder turret, an extensible ladder connected to a top portion of the extensible post, and a carrier provided at the top thereof. | 12-17-2015 |
182670400 | Folding ladder | 1 |
20150345220 | SET OF LADDERS, IN PARTICULAR FIRE LADDER AND VEHICLE EQUIPPED THEREWITH - The invention relates to a set of extendable ladders, in particular firefighting ladders, consisting of at least two ladder parts, each part being formed from side rails and rungs running between the side rails, and the uppermost ladder part is formed from at least two ladder sections interconnected by an articulated link, the articulation axis of which runs substantially parallel with the rungs, and when the uppermost ladder part has been fully retracted into the ladder part lying below, the first ladder section and the second ladder section overlap the ladder part lying below. In order to increase flexibility and the range of use of the set of ladders, at least the ladder part lying directly below the uppermost ladder part has a gap which, in the head region of the ladder part between the side rails, is open towards the tip of the ladder and is continuous between the front face and rear face of the ladder part, such that when the articulation axis overlaps the ladder part lying directly below the uppermost ladder part, the second ladder section can be tilted through the gap about the articulation axis. | 12-03-2015 |
182690400 | Telescopic erecting means | 9 |
20080302601 | LIFT ASSEMBLY - A portable lift assembly that moves between a retracted position and an extended position when operatively connected with a drive mechanism. The portable lift assembly comprises a first telescoping assembly, a second telescoping assembly, a support assembly and a pulley assembly. The first telescoping assembly has a first stationary leg and a first movable leg, the first movable leg being movable with respect to the first stationary leg. The second telescoping assembly has a second stationary leg and a second movable leg. The second movable leg is movable with respect to the second stationary leg, wherein the support assembly slidably engages with the second movable leg. The pulley assembly operatively connects to the first telescoping assembly and to the support assembly wherein the pulley assembly, when activated by the drive mechanism, simultaneously moves the first movable leg and the support assembly from the retracted position to the extended position to raise the platform to an elevated position. | 12-11-2008 |
20080302602 | Mobile Hydraulic lift - A mobile hydraulic lift comprises a trailer having a frame configured for towing behind a vehicle. The frame includes a longitudinally extending frame member with telescoping end portions on front and rear ends of the frame member. The front end telescoping portion includes a ball hitch connector and a jackstand for supporting the front end of the longitudinally extending frame member when it is disconnected from the vehicle. The rear end telescoping portion also includes a jackstand. The frame also includes a transversely extending frame member with telescoping end portions on opposing ends of the transversely extending frame member. Each telescoping end portion of the transversely extending frame member carries a wheel. The frame defines one footprint when the telescoping end portions of the longitudinally extending frame member and the transversely extending frame member are retracted within the respective frame members and a larger footprint when the telescoping end portions are extended from the respective frame members. The frame carries a single, multi-stage hydraulic cylinder that has one end secured to the frame. A plurality of legs connect to the housing of the hydraulic cylinder and the frame to support the hydraulic cylinder in a generally perpendicular position relative to the frame. A second end of the hydraulic cylinder is connected to a main support beam of a platform. | 12-11-2008 |
20090101436 | Telescopic aerial ladders; components; and methods - Truss arrangements utilizable in ladder sections of extendible ladder arrangements are described. Also described are ladder arrangements utilizing in the truss arrangements, and methods designed in use. | 04-23-2009 |
20120043158 | Mast Lift with Screw Drive and Gas Strut - A mast lift includes a base, a platform, and a lifting assembly connected between the base and the platform. The lifting assembly moves the platform between a lowered position and a raised position. A threaded driving rod is connected between the base and the lifting assembly, and a gas strut acts between the base and the lifting assembly and biases the lifting assembly and the platform toward the raised position. | 02-23-2012 |
20140202792 | LIFT FOR ALL TERRAIN VEHICLES - The lift for all terrain vehicles has a plurality of telescoping box-shaped frame members, each frame member having top and bottom rectangles made of square tubing, the rectangles being spaced apart by posts at each of the corners. The inner telescoping box-shaped member has a standing platform mounted on the bottom rectangle. A plurality of telescopic support and leveling legs are attached to the outer telescoping box-shaped member. The legs, when extended, provide stability when raising and lowering the standing platform. A plurality of vertically disposed elongated legs extend from the outer telescoping generally box-shaped member, and are adapted for attachment to an ATV or other vehicle. | 07-24-2014 |
20140251726 | INTERNALLY SUPPORTED POWER TRACK - A boom assembly for a lift device includes a plurality of telescoping boom sections. The plurality of telescoping boom sections include a base boom section, a mid boom section, and a fly boom section. The plurality of telescoping boom sections define an inner volume. The boom assembly also includes a push tube coupled to the base boom section and a support member positioned within the inner volume. The support member includes sidewalls having an inner surface and an outer surface. The boom assembly also includes a power track positioned within the inner volume that includes a plurality of movable links, a first supported portion that interfaces with at least one of the inner surface of the support member and a surface of the push tube, and a second supported portion that interfaces with the outer surface of the support member. | 09-11-2014 |
20150060199 | ORDER PICKERS - An order picker has a body section with a pair of ground engaging wheels and a first lift mechanism pivotally mounted to one end of the body section about a vertical pivot and one or more ground engaging wheels is/are provided on the first lift mechanism. A mechanism is provided for pivoting the first lift mechanism relative to the body section whereby the order picker may be steered. An open cab is provided on the body section whereby an operative may have access to stacks on either side of the order picker. The cab is mounted to the body section on a second lift mechanism by which the cab may be raised and lowered with respect to the body section independently of the first lift mechanism. A receptacle onto or into which picked items may be placed, the receptacle is mounted on the cab on the end thereof remote from the end of the body section to which the first lift mechanism is mounted. | 03-05-2015 |
20160032649 | Telescopic Ladder Comprising Ladder Sections Of Different Densities - A telescopic ladder includes a proximal end adapted to be fixed on a support, the ladder including between the proximal end and a distal end a plurality of sections displaceable relative to each other for deploying the ladder, the section arranged at the level of the proximal end of the ladder being made of material having a density greater than the density of the material of which at least one other section of the ladder is made. | 02-04-2016 |
20160052761 | TRACK ROLLER ASSEMBLY FOR SUPPORTING TELESCOPING BOOM SECTIONS - A track roller assembly for supporting telescoping boom sections of aerial devices. The track roller assembly is positioned in an interior channel of a hollow first boom section. The track roller assembly supports a majority of the weight of a second boom section and facilitates the second boom section telescoping in and out of the first boom section. The track roller assembly comprises a bracket to securely couple the track roller assembly to the interior channel of the first boom section, a plurality of rollers rotatably connected to the bracket, and a continuous track engaging the plurality of rollers on an interior surface and adjacent to the second boom section on an exterior surface. | 02-25-2016 |
182690500 | Erecting means actuated by lazy tong | 6 |
20100193290 | Compact scissors lift - The compact scissors lift includes a chassis having a body, a pair of wheels disposed at one end and a pair of steering wheels at the opposite end; a lifting linkset assembly disposed substantially within the base, the linkset assembly shaped to form space for the steering wheels; a steering system operatively connected to the steering wheels in front of the linkset assembly; and a deployable safety guard mechanism. on at least one side of the chassis. Having the linkset assembly within the chassis body reduces the overall stow height of the lift to thereby increase access to work areas, decrease physical expenditure on the user, increase stable steering and increase safe operation on potentially hazardous terrain. | 08-05-2010 |
20120186908 | AERIAL WORK APPARATUS WITH LATERALLY OFFSET WORK PLATFORM - An aerial work apparatus comprising a mobile chassis having a longitudinal centerline, a lift mechanism such as a scissors lift having a lower end connected to the chassis and an upper end which supports a work platform. The work platform has a longitudinal centerline which is laterally spaced from and parallel to the longitudinal centerline of the chassis such that the platform is laterally offset relative to the chassis and lift mechanism for substantially stabilizing the apparatus when handling heavy loads positioned at one side of the platform. | 07-26-2012 |
20140345970 | METHOD AND APPARATUS COMBINING FRONT END LOADER AND MAN LIFT - 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. | 11-27-2014 |
20160096714 | Articulating Enclosed Lift Apparatus and a Method of Operating the Same - A multi-articulating enclosed lift assembly is described having an adjustable work platform, a guardrail system on the platform, and a flexible enclosure. The work platform generally includes a base, a lift, and an operator platform supporting the guardrail system. The flexible enclosure includes an extendible frame and a flexible containment material. The material may be disposed proximate to sides of the extendible frame and sealed to the base of the adjustable work platform and along a top of the extendible frame. The flexible enclosure and the base define a working space below a ceiling as the top of the extendible frame engages an opening in the ceiling. As such, the lift selectively moves the operator platform within the working space to place it in a desired vertical position within the flexible enclosure and allow a configuration of at least a portion of the guardrail system to extend through the opening. | 04-07-2016 |
20170233232 | COLLISION AVOIDANCE SYSTEM FOR SCISSOR LIFT | 08-17-2017 |
20180022591 | HYDRAULIC STEERING SHEAR-FORK TYPE AERIAL WORK PLATFORM | 01-25-2018 |
182690600 | And platform elevatable relative to its support | 9 |
20110253476 | MOBILE ELEVATING WORK PLATFORM - There is provided a mobile height-adjustable platform that includes a chassis with ground engaging wheels. A mast is pivotally connected to the chassis and is movable between a transport position where the mast is parallel to and disposed over the chassis, and an operative position where the mast is perpendicular to the chassis and extends upwards. A conveyor moves along the mast and a work platform is pivotally connected to the conveyer. The work platform is movable between a transport position where the platform is parallel to the mast and an operating position where the platform is perpendicular to the mast. | 10-20-2011 |
20120043159 | APPARATUSES AND METHODS FOR STEERING A VEHICLE - A vehicle is provided with a chassis having a footprint, a load carrying structure, and a support assembly coupling the chassis and the structure. The support assembly is adapted to move the structure relative to the chassis between a stowed position and a deployed position outboard of the footprint of the chassis. A plurality of wheels is configured to roll on the support surface and a plurality of axles coupling the wheels to the chassis are provided. Each axle includes at least one spindle supporting an individual wheel for rotation on a spindle axis. A steering system is adapted to position the wheels between driving and rotation arrangements with respect to the chassis such that in the rotating arrangement each of the plurality of wheels rotate relative to the chassis whereby the chassis, the platform and the support assembly may rotate in unison about the steer axis. | 02-23-2012 |
20120205194 | LADDER WITH VERTICAL ELEVATOR FOR ACCESS TO AIRCRAFTS - Ladder with vertical elevator for access to aircrafts, including a platform (in compliance with NBR 15.655) provided with a vertical elevator having proper size, adapted with special adjustments to ensure accessibility to the aircraft for people with special needs, being this platform attached to a ladder that enables varying the lifting height according to the access height of the aircraft. The ladder has a system that allows varying the height of the steps, so that it becomes leveled with the access to the aircraft, within the height parameters according to which it was designed. | 08-16-2012 |
20130001012 | Portable Modular Lift System - A portable modular lift system that may be easily transported to a lifting location and compactly stored when not in use. The portable modular lift system generally includes a support base having a plurality of base wheels, a plurality of mast sections connectable to one another to form a vertical mast, a support platform movably positioned upon the vertical mast, and a drive unit connected to the support platform to elevate and lower the support platform upon the mast sections. The mast sections include a plurality of receiver apertures within a first end and a plurality of locking pins extending from a second end that are catchably received within the corresponding receiver apertures. | 01-03-2013 |
20130001013 | Lift Safety System - 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. | 01-03-2013 |
20130186708 | PERSONNEL LIFT VEHICLE - The present disclosure relates generally to lift vehicles that include a carriage having at least three wheels, a lift and a load carrying frame. The load carrying frame is connected to the lift, which is connected to the carriage. A selectively deployable platform is disclosed that is pivotably connected to the carriage and movable between a stowed position and a support position. At least two rollers may be spaced apart and configured to engage and slidably support a battery above the carriage. | 07-25-2013 |
20140144724 | SELF-CONTAINED, PORTABLE AND SELF-SUPPORTING SCAFFOLDING KIT - A self-contained portable self-supporting scaffolding kit for mounting adjacent an elevated structure and allowing a user to reach the elevated structure to work thereon. The kit includes a movable base assembly that supports a tower assembly along which a platform assembly moves, in a use configuration. In a portable configuration, the kit is partially disassembled, folded and secured on the base assembly for transportation thereof, with all required equipment pieces. | 05-29-2014 |
20150014093 | Hydraulic Control Valve, Dual-Cylinder Extension System and Aerial Work Engineering Machine - 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. | 01-15-2015 |
20150034417 | Lift Safety System - 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. | 02-05-2015 |