Abstract: A control device and system for controlling a suspended load of a container crane with a trolley, a spreader and load lines arranged in a four point suspension for lifting a load and an optical sensor for sensing a deflection position of an orthogonal axis of a container suspended under the spreader. Two or more actuators are arranged attached to at least one load for moving at least one said suspension point closer to or farther away from an imaginary center line by shortening and/or lengthening the at least one load line.

Abstract: A gantry crane (10) is configured in a panel turner application. The gantry crane (10) generally includes a gantry crane structure (14) having a first cross-beam (28) and a second cross-beam (30). A first main hoist mechanism (40) and a first auxiliary hoist mechanism (42) are coupled to the first cross-beam (28), and a second main hoist mechanism (44) and a second auxiliary hoist mechanism (46) are coupled to the second cross-beam (30). The crane (10) includes a hydraulic system configured to reduce the lift capacity of the first and/or second main hoist mechanism (40, 44), and to equalize the hoist capacity between the first and second main hoist mechanisms (40, 44) or the first and second auxiliary hoist mechanisms (42, 46) in certain applications. The auxiliary hoist mechanism (42, 46) are configured for powered movement along the respective cross-beams (28, 30).

Abstract: An industrial truck has a lifting mast (1) with a fixed mast (1a) and at least one movable mast (1b) that can move vertically in relation to the fixed mast. A load lifting device (2) can be moved up and down on the movable mast (1b). Located on the movable mast (1b) and/or on the load lifting device (2) is at least one electrical component which is connected with at least one electrical cable (3). The cable (3) is guided through a cable storage device (4) which is constructed according to the pulley block principle.

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 instant invention enables the personnel basket to be 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.

Abstract: A sealing device for an elevator door includes a doorway member, doors, a movable member, a push-down mechanism and a sealing mechanism. The doorway member is provided for a gate. The doors open or close along the doorway member. The movable member is set horizontally and provided to be movable in a vertical direction in the doorway member, and it is urged upwards by an urging unit. The push-down mechanism pushes down the movable member against the force of the urging unit just before the doors are closed. The sealing mechanism is kept non-contact with the doors while they are moving, and seals the gap between the doors and the doorway member as it is brought into contact with upper section of the doors when the movable member is pushed down by the push-down mechanism.

Abstract: In an elevator apparatus, a second car is disposed below a first car. The second car is suspended within a hoistway by a second suspension body and a third suspension body to be raised/lowered by a second hoisting machine. The second suspension body has a second car end connected to the second car on a first lateral surface side thereof. The third suspension body has a third car end connected to the second car on a second lateral surface side thereof. A looping angle adjusting pulley for increasing the looping angle of the second suspension body with respect to a second drive sheave is disposed in an upper portion of the hoistway.

Abstract: The invention is a container lifter which is able to lift two 40 foot containers at a time. It includes two sets of the crane main lifting mechanisms with the wire rope winding systems being separate. Pulleys arranged at the crane upper frame cooperate with two lifting pulley groups arranged on the carrier. The first crane lifting mechanism and the second crane lifting mechanism are equipped with a barrel, a crane lifting mechanism motor, a brake and a crane lifting reduction gear box respectively The two sets of the crane lifting mechanisms are synchronously operated. By using the container lifter of the invention, the efficiency of the load and unload is increased, high repayment is obtained with less increasing the equipment cost, the larger beneficial result is occurred, also it has the wider applicable prospect.

Abstract: A gantry crane (10) is configured in a panel turner application. The gantry crane (10) generally includes a gantry crane structure (14) having a first cross-beam (28) and a second cross-beam (30). A first main hoist mechanism (40) and a first auxiliary hoist mechanism (42) are coupled to the first cross-beam (28), and a second main hoist mechanism (44) and a second auxiliary hoist mechanism (46) are coupled to the second cross-beam (30). The crane (10) includes a hydraulic system configured to reduce the lift capacity of the first and/or second main hoist mechanism (40, 44), and to equalize the hoist capacity between the first and second main hoist mechanisms (40, 44) or the first and second auxiliary hoist mechanisms (42, 46) in certain applications. The auxiliary hoist mechanism (42, 46) are configured for powered movement along the respective cross-beams (28, 30).

Abstract: An elevator installation is arranged in a building with at least two elevators, wherein the building is divided into building zones and each elevator has at least one elevator car, each elevator car is independently movable by an associated drive in an associated car zone and each car zone has at least one transfer floor. A first elevator has at least three elevator cars arranged vertically one above the other in a shaft. In addition, at least three car zones are allocated to a building zone.

Abstract: A method of controlling noise noticeable within an elevator car (22) includes intentionally introducing noise into the elevator car (22) at a noise level that depends on the position of the car within a hoistway (24). A disclosed example includes using existing elevator system components for generating compensating noise at different levels corresponding to different positions of the car within the hoistway. One disclosed example includes increasing introduced noise as the car descends further away from a machine responsible for moving the car. The introduced noise reduces or eliminates changes in noticeable noise within the elevator car as the car moves relative to the machine. The disclosed examples have particular usefulness in machine roomless elevator systems although they are not necessarily limited to such systems.

Abstract: A crane mounting system to be used for mounting a crane onto a truck frame utilizes at least two shear plates with an L-shape profile. One part of each shear plate is interposed between a respective frame rail of the truck chassis and a respective end of a transverse mounting bar, while the orthogonal part of each shear plate is welded, at least partially, to the outer side of the respective frame rail. Interior holes on the transverse bars are threaded to accept inner tie down bolts while outer holes are drilled through to accept tie down studs. The shear plate acts as a wear plate/surface as the crane base sits on the transverse bars that in turn nests on the bent plate rather than directly on the chassis frame rail.

Abstract: Embodiments of the present invention generally relate to a pipelayer and a method for of loading a pipelayer or excavator for transportation. One embodiment includes a method for transporting a pipelayer or excavator from a first work site to a second worksite via a public road. The method includes acts of: raising the pipelayer or excavator off of track shoes of the pipelayer or excavator; removing a first track assembly from the pipelayer or excavator using a boom of the pipelayer or a boom assembly of the excavator; loading the first track assembly onto a first trailer of a first tractor-trailer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator; removing the second track assembly from the pipelayer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator; and loading the second track assembly onto the first trailer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator.

Abstract: The present invention, in one embodiment, is a system for receiving and delivering into a base the radial loads imposed on a crane where the crane has a center post operably connected to the base with a generally cylindrical outer bearing surface and the crane rotates in at least a partial circle around the axis of the center post. The system comprises three or more radial load rollers arranged in a linked sequence in an arc at the outer bearing surface of the center post. Each radial load roller includes an axle and an axis of rotation that is generally parallel to the axis of the center post. The system also comprises a means for anchoring a first radial load roller at one end of the arc and anchoring a second radial load roller at the other end of the arc. The system also comprises links connecting each roller between the first and the second radial rollers to its adjacent rollers to form a flexible chain of said rollers.

Abstract: An apparatus for use in carrying a load particularly in theatrical performances comprising a supported guide rail, with a first and second carriage movably mounted on the guide rail, the first carriage being adapted to carry a movable lift line for carrying the load, and a compensator system linking the first and second carriage and being arranged such that on movement of the first carriage or the second carriage, the other carriage moves in the same direction and the second carriage moves a shorter distance than the first carriage. Lifting and lowering of the load may be achieved independently of travel along the rail and a load may be transported at a constant height.

Abstract: An elevator installation is arranged in a building with at least two elevators, wherein the building is divided into building zones and each elevator has at least one elevator car, each elevator car is independently movable by an associated drive in an associated car zone and each car zone has at least one transfer floor and at least one further transfer floor. A first elevator has at least three elevator cars, which are arranged vertically one above the other and which comprise a middle and two adjacent elevator cars, wherein the middle elevator car is independently movable in a middle car zone and the two adjacent elevator cars are independently movable in two adjacent car zones. The middle car zone and an adjacent car zone serve at least one common floor. In addition, at least one of these car zones is allocated to two building zones.

Abstract: A mobile crane includes a boom extension assembly carried alongside a telescoping boom assembly in a stowed position. The boom extension assembly includes a fly section with a first portion adapted for being connected to the head end of the boom assembly in an operative position while a second portion of the fly section adapted for being connected to the first portion remains in the stowed position. The first portion of the fly section may: (1) be shorter in length than the corresponding second portion of the fly section; (2) include sheaves for supporting a hoist line; (3) include a tapered end; or (4) be used in combination with two additional sections of the boom extension assembly. A related method includes connecting a first, shorter portion of a fly section to a head end of a telescoping boom assembly while a second portion remains in a stowed position.

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 crane jib for a crane, having a longitudinal axis and an imaginary contour line that extends in a transversal plane relative to an axis of symmetry in an at least approximately mirror-symmetric manner. The contour line has an at least approximately arcuate section between a center that is equally interspaced from the first and second point of intersection on the axis of symmetry and the first point of intersection, and a first straight section is tangentially contiguous thereto in the direction of the second point of intersection. The imaginary extension of the first straight section in the direction of the second point of intersection intersects the axis of symmetry and forms an acute angle therewith.

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: An overhead crane adapted to be supported by at least one main support beam includes a bridge adapted to travel in a substantially horizontal direction along the at least one main support beam, a trolley adapted to travel in a substantially horizontal direction along the bridge, a jib rotatably coupled to a bottom surface of the trolley, and a hoist adapted to travel in a substantially horizontal direction along the jib.