Abstract: A fall protection system includes a base assembly, a mast assembly, and a locking assembly adapted to lock the mast assembly with the base assembly. The locking assembly includes a first plate and a second plate. The locking assembly also includes a fixed member fixedly coupled to the second plate. The locking assembly further includes a locking pin including an elongate portion at least partially received within the fixed member and a first tab, the locking pin being movable relative to the fixed member between an engaged position and a disengaged position. In the engaged position, the first tab is at least partially received within a first groove such that the locking pin is engaged with the first plate. Further, in the disengaged position, the first tab is at least partially received within a second groove such that the locking pin is spaced apart from the first plate.

Abstract: A confined-space davit, including a vertical, elongate mast provided by at least one annular tube; and, a boom that is pivotally connected to an upper end portion of the mast and that extends forwardly from the mast. The tube comprises a forward wall and an opposing rearward wall and comprises left and right opposing lateral sidewalls that each connect the forward wall to the rearward wall.

Abstract: An apparatus and method that enables a single person to remove and replace a part, for example a burner housing, from an industrial piece of equipment such as oilfield equipment. A base of the apparatus attaches, either removeably or permanently, to a portion of the equipment such as an exhaust stack, that is above the part. The apparatus has a plurality of arms which swing out from the base, including a beam which is rotated to be aligned with the part. Straps attached to the beam are tightened around the part, and the arms are then extended to remove the part from the equipment.

Abstract: A lifting apparatus for a facility combining magnetic resonance imaging apparatus and radiotherapy apparatus inside a purpose-built structure having a fixed wall, the lifting apparatus comprising a wall-mounted articulating jib crane which is selectively moveable between a stowed state and a free state in which it is operable as a crane, in which substantially all of the load-bearing parts of the crane are made of non-ferromagnetic metal, and in which guides are mounted to the wall to receive and to releasably hold the crane in a fixed position relative to the wall when the crane is in the stowed state.

Abstract: A confined-space davit, including a vertical, elongate mast provided by at least one annular tube; and, a boom that is pivotally connected to an upper end portion of the mast and that extends forwardly from the mast. The tube comprises a forward wall and an opposing rearward wall and comprises left and right opposing lateral sidewalls that each connect the forward wall to the rearward wall.

Abstract: A system for lifting and lowering a roof of a vehicle. The system includes a lifting device secured to an external structure; a plurality of pulley selectively positioned above the roof of the vehicle, the plurality of pulleys includes a first and second pulley positioned at a rear section of the roof; a third and fourth pulley positioned at a front section of the roof; a fifth and sixth pulley positioned between the first and second pulley and the third and fourth pulley; and a center pulley positioned between the first and sixth pulley and the third and fourth pulley. The system further includes a line secured to the lifting device, the line includes a first section passing through both the first and second pulley for lifting the rear section of the roof; a second section passing through the center pulley and through the fifth and sixth pulley for lifting the front section of the roof.

Abstract: A lifting device, configured to attach to a lifting head and sling to move a disabled person from one location to another including a support column, a first arm, a second arm, and a friction brake. The support column includes an axis and is configured to attach between two stationary surfaces. The first arm is fixedly connected to the support column. The second arm is pivotally connected to the first arm at a pivot joint. The second arm is configured to connect to the lifting head. The support column and first arm are configured to rotate around the axis, and the second arm is configured to pivot around the pivot joint such that the second arm second end rotates three hundred and sixty degrees around the axis.

Abstract: A crane monitoring system is for determining crane service conditions is disclosed. The crane monitoring systems includes a sensor for measuring acceleration, a processing unit operably coupled to the sensor and a data store storing computer executable instructions. The computer executable instructions, when executed by the processing unit, cause the processing unit to perform a plurality of functions including determining at least one crane service condition dependent upon a signal from the sensor.

Abstract: A hoisting crane that comprises a male shaft, a female shaft, a locking shaft, a tightening spring, a hoisting arm, a pressure arm, a top shoe, a bottom shoe, a top bearing, and a bottom bearing. The crane is portable and collapsible and is equipped with an automatic adjusting tightening mechanism that fixes and secures the crane to the work room floor and ceiling using a spring and in a way that the greater the load on the crane, the more the pressure arm increases the tightening force that the crane applies to the work room floor and ceiling.

Abstract: An electric swiveling type construction machine includes a lower travelling body, an upper swivel body which is turnably mounted on the lower travelling body, a boom in which one end is rotatably attached to the upper swivel body, an arm in which one end is rotatably attached to the other end of the boom, a working element which is rotatably attached to the other end of the arm, a brake mechanism which holds the upper swivel body, a swiveling motor which swivels and drives the upper swivel body, a state monitoring unit which monitors the state of the brake mechanism, and a controller which detects releasing of braking performed by the brake mechanism based on the monitor by the state monitoring unit. The swiveling motor does not generate a force until the controller detects the releasing of the brake.

Abstract: A jib crane includes a first arm configured for cooperation with a hoist, and a second arm hingedly connected to the first arm. A mounting bracket is hingedly connected to the second arm, and the mounting bracket is configured for attachment to a wind turbine. The first arm is configured to swing along a first horizontal arc and the second arm is configured to swing along a second horizontal arc. The jib crane is configured to pick up a load outside the wind turbine and move the load to a location inside the wind turbine.

Abstract: Crane arm, preferably to be employed on pillars, comprising a plurality of connecting links, each connecting link exhibiting a predetermined height, preferably being oriented in the direction of the force of gravity, whereby each connecting link in a longitudinal direction, preferably rectangular to the direction of the force of gravity, exhibits a first end portion and a second end portion, and at the first end portion provided with at least one first means for providing a rotary connection with a successive connecting link and at the second end portion provided with at least one second means for the receiving of the first means for providing a (the) rotary connection with the preceding connecting link enabling rotation in a direction around the pillar preferably being oriented rectangular to the direction of the force of gravity.

Abstract: A remotely-operable cleaning device having a claw assembly that can manipulate tools and instruments within a vessel. The cleaning device has collapsible tracks allowing it to be placed into small openings and to be expanded once it is passed through the small openings. The claw assembly may include opposing fingerlike projections. The cleaning device may be configured to handle forces from high pressure water lines. The cleaning device may be configured to assembly and disassembly via locking pins. The cleaning device may be transported and/or lowered into a vessel via a lift box or crane of the present invention. The crane may be configured for assembly at a location of interest.

Abstract: Universal component lift apparatus for moving components of electronic device manufacturing systems is described. The universal component lift apparatus includes a track, a truck moveable along the track, and a lift apparatus adapted to couple to the truck, the lift apparatus including a wheeled base, a lift portion, and a boom adapted to couple to the component. Electronic device processing systems and methods of moving components thereof are described, as are numerous other aspects.

Abstract: A jib crane includes a first arm configured for cooperation with a hoist, and a second arm hingedly connected to the first arm. A mounting bracket is hingedly connected to the second arm, and the mounting bracket is configured for attachment to a wind turbine. The first arm is configured to swing along a first horizontal arc and the second arm is configured to swing along a second horizontal arc. The jib crane is configured to pick up a load outside the wind turbine and move the load to a location inside the wind turbine.

Abstract: An improved knuckle boom crane apparatus provides a supportive base with an attached frame including a cabin with an interior. A prime mover is supported upon the frame. A main boom is pivotally attached to the frame at a first boom end portion, the main boom having a second end portion. A jib boom is provided having first and second end portions, the jib boom first end portion being pivotally attached to the main boom second end portion, the jib boom second end portion being free. A main block is attached to the main boom, depending from the main boom second end portion. An auxiliary block is attached to the jib boom, depending from the jib boom second end portion. A main block parking area is provided next to the connection of main boom and jib boom that enables the main block to be parked when using the auxiliary block.

Abstract: The invention relates to a method for conducting service on a wind turbine after the wind turbine is erected and after the hub (1) of the wind turbine is mounted on the main shaft (3) of the wind turbine. The method comprises mounting of servicing equipment a crane (8) on the hub (1) of the wind turbine and lowering and hoisting wind turbine appliances from and to the hub. Thereby, it is possible to lower from and to lift to the hub, the appliances which is to be replaced or repaired without using the hatch constituting the escape way and without having to transfer the appliances through the nacelle and along the tower. The invention also relates to means (5, 6) for primarily securing the equipment to the hub of the wind turbine.

Abstract: A portable lifting system includes a moveable base component including a scissors lift assembly, and a crane assembly coupled the movable base component, the crane assembly including a support member and a boom coupled to the support member.

Abstract: In a vehicle having a stationary frame and a rotating upper body, and wherein the frame includes a plurality of outriggers with pads, a safety barrier is provided, comprising a barrier support member attached to each of the pads, and extending away from the vehicle, wherein the support member includes an upper section adapted to retain a flexible barrier; and a flexible barrier attached across the upper sections of the support members to establish a safety perimeter around the vehicle. A storage rack is also provided for retaining the support members when not attached to the pads, wherein the rack includes a upper bracket having a U-shaped portion adapted to attach to the vehicle; and a frame adapted to carry all of the support members, wherein the frame includes a retention member to retain the support members within the frame in a secured position.

Abstract: The present invention relates to a crane, in particular a tower crane, with a boom rotatable about an upright slewing gear axis and an out-of-service brake which permits and slows down the rotary movements of the boom in the out-of-service condition. According to the invention, the out-of-service brake is formed to operate in a rotational-speed-dependent manner such that with a greater rotational speed of the crane the applied braking torque is greater than with a smaller rotational speed of the crane.

Abstract: The present invention relates to a tower crane with a tower of at least one tower element, in particular lattice piece, and a structural guying with at least one guy rod for the horizontal anchorage of the tower at a structure, wherein the at least one guy rod of the structural guying is attached or attachable to an attachment point of the tower element.

Abstract: The invention relates to a jib-bracing system for a revolving tower crane, in the case of which the length of a jib (2) and the length of a bracing means (5) for the jib can each be changed. The bracing means comprises at least part of a cable (6) of which one end can be connected to the jib at at least two different fixed points (8, 9) arranged on the jib, wherein a deflecting element (7), over which the cable can be guided, is arranged on the jib, and wherein the one end of the cable can be fastened at at least one of the fixed points when the cable has been guided over the deflecting element.

Abstract: In a glassware forming machine, a mold is moved to and from a work position by a device having a supporting structure connected to an overhead frame of the machine; a gripping head for engaging the mold; a cable transmission having a cable operated by a winch and connected to the gripping head to move the gripping head to and from the supporting structure in a substantially vertical direction; and a powered articulated arm connected to the gripping head and to the supporting structure to exert substantially horizontal forces on the gripping head.

Abstract: The present disclosure relates to a lifting assembly such as a jib crane or similar apparatus having an articulated arm assembly and a flexible means for connecting a load to an actuator. The lift arm assembly forms an articulated cantilever boom, which is extensible so as to traverse a suspended load within a work cell area. The lift arm assembly further includes a first and second member pivotally connected to one another whereby an inclined plane (e.g., a cam) at the pivot point of the articulating arms provides a vertical displacement of the secondary arms thereby moving the distal end of the secondary arm to counterbalance inherent forces acting thereon.

Abstract: The invention relates to a crawler crane comprising two crawler supports (9) with rotating crawlers (8). Both crawler supports (9) are connected by a transversal bridge (10). A superstructure (3) of the crawler crane comprises at least one crane jib that can pivot about a vertical axis and is connected to the transversal bridge (10). A pivotable articulation connects the transversal bridge (19) in a pivotable manner to the crane superstructure (3). At least one of the crawler supports (9) is connected to the transversal bridge (10) by means of a double link (11). A lower link (12) of the double link (11) is articulated on the crawler support (9) by means of a crawler support lower pivotable axis (13) and on the transversal bridge (10) by means of a transversal bridge lower pivotable axis (14).

Abstract: A boom assembly comprising: a base anchored to a structure/ground. A boom is rotatably mounted to the base at a connected end so as to be rotatable about a generally vertical axis, the boom having a device to support loads at a free end. An orientation clutch is provided between the base and the boom. The orientation clutch has a mechanism for locking a rotation of the boom with respect to the generally vertical axis so as to selectively adjust an orientation of the boom. The orientation clutch has a release configuration to allow the boom to self-adjust its orientation to align with a load pulled by the device.

Abstract: The method is used for handing a gas turbine engine during packaging. The method comprises receiving the engine at a handling apparatus pivotally secured to the floor, removably connecting the engine to the handling apparatus, pivoting the engine while supported on the handling apparatus, lowering the engine into a container, and then removably connecting the engine to the container.

Abstract: A large manipulator with an articulated mast (22) is pivotally connected to a mast base (21) that is rotatable about a vertical axis. The mast (22) comprises at least three mast arms (23 to 27) which are pivotable to a limited extent about horizontal articulated axis (28 to 32) that are located parallel to each other, the pivoting movement being relative to the mast base (21) or an adjacent mast arm (23 to 27) and being performed by means of a respective drive unit (34 to 38). A control unit is provided with coordinate transformer (74, 76) which responds to a given guiding parameter (r) and measured angular values (??) that are determined by means of angle sensors (44 to 48) located on the mast arms (23 to 27). The coordinate transformer (74, 76) does a conversion into movement signals (??v) for the drive units (34 to 38) in accordance with predefined path/slew characteristics, the movement signals being related to the articulation axis.

Abstract: A portable crane and trailer system is disclosed. In a particular embodiment, the system includes a trailer, a crane post, and a crane. A first pair of outriggers is secured to a rear portion of the trailer and a second pair of outriggers is configured to be swung out rearward from the trailer to further increase the stability of the trailer, where the second pair of outriggers is deployed at approximately a 45 degree angle relative to the trailer. In addition, the system includes a removable A-frame removably connected between the rear portion of the trailer and the boom, where a first end of the A-frame is mounted to the rear portion of the trailer forming a base of the A-frame and a second end of the A-frame is connected at approximately the same location on the boom forming an apex of the A-frame.

Abstract: An LPG tank insertion apparatus for automobiles includes a rotary column with a lift body, a support arm mounted to the lift body, an actuating cylinder hingedly connected to the support arm, and a kingpin connected to the support arm. The actuating cylinder and the kingpin are both attached to a rotating plate that rotates in response to the actuating cylinder. The rotating plate is connected to a clamping device that selectively clamps an LPG tank which, in turn, rotates in response to the actuating cylinder so that it can be inserted in an automobile trunk whose opening is smaller than the length of the tank.

Abstract: A self-propelled forage harvester has a chassis, an operator's cabin arranged on the chassis, a chopper drum, an ascending lower discharge chute extending from the chopper drum inside the chassis to a level above the chassis, and a working element arrangement, the operator's cabin being movable from a street operating position into at least one chopper operating position and vice versa and the cabin embracing the at least one working element arrangement during movements between the positions.

Abstract: The present invention relates to a method and system for the continuous preparation of gasoline, kerosene, and diesel oil from waste plastics. The method comprises the steps of: subjecting a melt of the waste plastics to a first catalytic reaction in which the waste plastic melt is in contact with a nickel or nickel alloy catalyst to be dehydrogenated while being decomposed; subjecting the dehydrogenated and decomposed waste plastic melt to a fluid catalytic cracking, as a second catalytic reaction to produce a gasoline-based fraction at a high fraction; fractionating the cracked material into a gasoline-based fraction, a kerosene fraction, and a diesel oil fraction; and reforming the gasoline-based fraction to produce a high octane number gasoline. The present invention can apply to a small scale facility, not to apply to a large scale facility.

Abstract: An assembly and method is disclosed for moving a load into and out of an enclosure such as the enclosure of a van. The assembly may include an upright shaft rotatably mounted within a side portion of the enclosure. A boom assembly extends from the shaft. The boom assembly includes a beam to which an arm is pivotally mounted. An extension member is also pivotally attached to the arm such that as the shaft rotates the angular orientation of the arm with respect to the beam is controlled by the extension member whereby the load may be moved in a substantially straight direction into or out of the enclosure in response to rotation of the shaft. A length of the extension member may be adjusted to move the line of movement of the load closer or nearer to the shaft. A motorized winch is preferably mounted to the end of the arm to lift the load.

Abstract: A device which comprises first calculating means for calculating a lower-limit time Tmin of swiveling control on the basis of dynamic characteristics of a swiveling angular velocity control system, second calculating means for determining a swinging period T of the suspended load, third calculating means for selecting a smallest natural number n for which nT.gtoreq.Tmin, and braking and stopping control means for braking and stopping the rotary body with an angular acceleration .alpha. indicated by the equation .alpha.=-.OMEGA.O/nT (where .OMEGA.O is the swiveling angular velocity of the rotary body immediately prior to the initiation of automatic swiveling stopping control), and which eliminates influences of elastic vibrations so as to insure an excellent stopping accuracy.

Abstract: A jib gantry is disclosed which has a connection between the upper end of a mast and a horizontally extending boom which allows tilting adjustment, which is secured in any adjusted position. The boom is hollow and slotted so as to be fixed at any point along the slot to the upper end of the mast. The lower end of the mast is rotatable within an upright pipe to be rotated to swing the boom through complete revolutions.

Abstract: An inverted kingpost crane is disclosed, the crane including an upperworks supporting a crane boom, the upperworks supported on a rotating kingpost, the kingpost supported in a sleeve, an upper radial bearing structure intermediate an upper section of the kingpost and the sleeve, a lower bearing structure comprising a thrust bearing and a radial bearing disposed intermediate a lower section of the kingpost and the sleeve. The upper bearing and the lower bearing structure are constructed of a relatively soft bearing material, the bearing material providing a sacrificial wearing surface between the rotating kingpost and the stationary sleeve.

Abstract: A lift mountable in a transporting vehicle for loading and unloading objects such as small motorized carts. The lift includes an adjustable stand and pivotal boom assembly. An electric motor selectively operates a drum on which is wound a lifting cable or strap which terminates at a lifting hook or claw which is attachable to the cart or object. The adjustability of the stand and boom make the lift highly versatile and adaptable for convenient mounting in different vehicle configurations.

Abstract: An apparatus for transferring leaking drums to a salvage drum utilizing a liftgate assembly having a vertical rail for supporting a liftgate and a drive mechanism for raising and lowering the vertical rail, the apparatus including a lift boom assembly having a chain mounted thereon with a drum lifting clamp secured to the chain for engaging the leaking drum and a pair of tubular pocket assemblies mounted in a vertically spaced relation on the vertical rail and a pair of pin assemblies mounted on the lift boom assembly for matingly engaging the pocket assembly whereby the lift boom assembly can be pivoted with respect to the liftgate assembly and removed for storage in the vehicle.

Abstract: An apparatus and method for raising, moving and lowering a massive coker chute cover are provided. One embodiment of the invention comprises engaging the cover with a lift plate, raising the lift plate, and, moving the lift plate, the course of the movement being in the arc of a circle, lowering the lift plate, and releasing the cover from the plate.

Abstract: The present invention provides a pole member organization, wherein a plurality of vertical posts are fixedly secured together joined at their upper terminal end to an "L" shaped junction. The "L" shaped junction includes a first horizontal post telescopingly receiving a second and third horizontal post. The first and second horizontal posts include guide slots that are longitudinally aligned, with the guide slots receiving an alignment eye and leg within each slot to guide each post in a telescoping relationship. A winding reel is mounted within the "L" shaped junction, with the "L" shaped junction including an aperture aligned with each eye to effect a winding and reeling of the associated crab trap to the post structure.

Abstract: A display case having a framework and a plurality of panels forming an enclosure for the displaying of merchandise is provided with a light fixture for highlighting the merchandise therein. The light fixture is positively mounted to the framework through fastening means which are accessed from the interior of the enclosure. Furthermore, the panels are mounted upon extruded supports which reduce manufacturing costs and ease reinstallation of the panels.

Abstract: A hoist for use over a man hole includes a H shaped base part defining two side struts and a cross strut offset toward one end of the side struts. The base part has four legs arranged at the ends of the side struts, adjustable in height and terminating in a flat pad for engaging the ground. A vertical sleeve part extends upwardly from the cross strut for receiving a swivel arm which is a separate item and can be inserted into the sleeve part for swivelling movement about a vertical axis. A swivel arm includes a jib portion extending out over the larger area defined forwardly of the cross-strut. Swivelling movement is limited to the forward area.

Abstract: The invention is a self-contained chimney cleaning apparatus. A winch operated wire brush is attached by cable to a winch pulley, which is in turn mounted to a pivoting housing. The pivoting housing is suspended over the opening of the chimney flue, and remotely controllable. The remote control allows the housing to be pivoted away from the chimney flue opening when the cleaning operation is complete. During the cleaning operation, the housing is positioned over the chimney flue opening and the winch operated brush is lowered and raised through the chimney flue.

Abstract: A jib crane system comprising a horizontally extending load beam rigidly attached to the upper end of a vertically extending mast. The lower part of the mast is positioned inside a hollow structure such as a pipe and is rotatably associated therein, and spaced from the inside surface of the pipe. A bearing boot is rigidly secured to the mast and in frictional contact with the inside surface of the pipe. The bearing boot slides around the inside circumference of the pipe in a circular or arcuate path as the mast and load beam revolve around the central axis of the mast. The bearing boot includes an outer arcuate concave contacting plate having substantially the same radius as the inside convex surface of the pipe. A ring of foil may be secured on the inside of the pipe for providing the sliding surface for the bearing boot. The mast may comprise a flanged beam having a pair of side walls with a web portion therebetween.

Abstract: A load handling apparatus for a vehicle has a mounting frame with a mast movable between a lowered travelling position and a raised working position. A boom carrier on the mast pivotally supports an articulated boom, which has a winch at its distal end. The winch cable is attached to a load carrying cradle which has handle bars to be gripped by the operator and the switch controls for the winch. The mast is counter-balanced by a spring and turnbuckles connect the boom carrier to the mounting frame and the mast to tilt the boom carrier in two directions if the vehicle is on uneven ground.

Abstract: There is disclosed a hoist adapted to be mounted on a conventional sectional scaffold structure in which the hoist apparatus consists of a boom assembly to be mounted near the top of a scaffold structure and a winch assembly to be mounted near the bottom of such structure. The winch assembly includes a cable drum and a cable, a worm gear drive for the drum and a two-speed pulley drive from the motor to the worm gear. The cable runs upwardly in proximity to a column of the scaffold structure and through a short hollow vertical mast section on top of which is mounted a rotatable boom having a pair of pulleys to guide the cable out of the top of the mast section to the end of the boom and downwardly to receive a load. The mast section supporting the boom may be only about six feet long and is removably attached to a column of the scaffold structure so that the scaffold structure effectively supplies the mast for the boom of the hoist.

Abstract: A jib crane system comprising a horizontally extending load beam rigidly attached to the upper end of a vertically extending mast. The lower of the mast extends inside a hollow pipe and is rotatably associated with a base plate assembly or rotatably secured in the foundation at the site of the crane. Roller bearings are rigidly secured to the mast and positioned in frictional contact with the pipe. The roller bearing revolves around the circumference of the pipe as the mast and load beam rotate around the central axis of the mast. The roller bearings are adjustable for varying the frictional contact of the rollers with the pipe.

Abstract: In waist articulated terrain vehicles, especially forest machines, with a wheeled forward section (1), a rear section (5), and a driver's cab (11), driver comfort can be substantially increased by the cab (11) being so mounted on the vehicle that it is substantially unaffected by the tilting movements of the forward section about an axis in the travelling direction thereof, simultaneously as it is adapted for accompanying the forward section in its steering movements.

Abstract: In a working vehicle including a crane (21) for handling loads and a driver's cab (11), both crane and cab are rotatably mounted on the vehicle, each about its vertical axis, and controlled such that a turning angle .beta. of the crane results in a turning angle .alpha. of the cab, .alpha. being an optional function of .beta., e.g. half of .beta.. The driver can thus carry out all the working operations desired for the crane without having to turn his head uncomfortably.

Abstract: Supplementary equipment for use with a self-propelled crane with a telescopic jib to increase the possibilities of use of the crane on the ground comprising a support having a structure connected to the head of the jib and pivotally mounted on a platform of the crane, and an auxiliary jib articulated on the head of the jib. A strut is articulated at one end to the foot of the auxiliary jib and connected at its outer end to reeving articulated on the crane and controlled by a first winch and by a cable to the head of the auxiliary jib. A lifting hook is suspended by reeving from pulleys at the head of the jib and controlled by a cable connected to a second winch on the crane. The inclination and height of the auxiliary jib are controlled by the reeving and the first winch connected thereto, and angular movement of the jib about the vertical axis or pivotal movement of the structure on the platform is controlled by movement of the crane about that vertical axis.