Abstract: A vehicle crane having a superstructure with a jib system including a main jib mounted in a luffable manner on the superstructure, with a jib head and a luffable additional jib and at least one luffing support supported in the region of a luffing axis of the additional jib. At least one guying support of the jib system is arranged in such a manner that a tensioner starting on the one hand from the superstructure and/or from a counterweight and connected on the other hand to the additional jib is guided via the at least one guying support and the at least one luffing support. A main jib extension is incorporated between the jib head and the additional jib with the at least one guying support supported at the main jib extension to obtain a longer design of the jib system with the highest possible permissible bearing load.

Abstract: A connection of a bicycle derailleur to a bicycle frame is presented. A mounting element with a retaining bolt is used. The mounting element may be configured with an insertion sheath. At least one element of the insertion sheath and the retaining bolt may be configured with at least one engagement formation adapted for this purpose, together with at least one counter-engaging element, which is separate from the insertion sheath and the retaining bolt, or a counter-engaging formation of the respective other element from the insertion sheath and the retaining bolt, to produce an elastic snap-in retaining connection or a bayonet-type retaining lock, which realizes a positive retaining engagement between the insertion sheath and the retaining bolt.

Abstract: A combination including a crane and a load guiding arrangement arranged for mounting to the crane for controlling the orientation of a load suspended in a crane boom from a bearing wire about the bearing wire is provided. The load guiding arrangement includes: —two winches placed on the crane, —two taglines connected with the winches and two attachment brackets attached in a top zone of the crane boom and being connected to the load for applying a controlled torque to the load about the bearing wire. The load guiding arrangement furthermore includes: —for each winch a winch frame, which is arranged for mounting directly on the crane next to or on the crane counterweight in positions at each side of the crane and —two tagline redirection devices, for example snatch blocks which are connected with the load.

Abstract: A central lubricating station for lubricating one or more machine part(s), having a container base adapted for holding at least two replaceable containers. Each replaceable container holds at least one type of lubricant; and one or more pump(s) is configured for pumping at least one type of lubricant interchangeably from the at least two replaceable containers to the one or more machine part(s); and a motor is configured for driving the one or more pumps.

Abstract: To provide a simple-structured chain guide assembly frame capable of reliably maintaining a correct positional relationship between a driven sprocket and a sprocket holding portion without the possibility of driven sprocket detachment. The chain guide assembly frame includes a main body having a fixed-guide-side sprocket holding portion and a pivoting-guide-side sprocket holding portion. The fixed-guide-side sprocket holding portion includes a first fixed-guide-side support portion that supports a driven sprocket at a first contact point, and a second fixed-guide-side support portion that supports the driven sprocket at a second contact point located more outside than the first contact point. When the driven sprocket is in an erected state in which the driven sprocket is supported at the first contact point and second contact point, the vector of gravity acting on the gravity center of the driven sprocket points between the first contact point and second contact point.

Abstract: A system includes a crane and an exchangeable tool. The crane and the tool respectively, include an upper tool connector with tool retainers and a lower tool connector which can be interconnected, e.g. a male and female connector, e.g. the lower tool connector of the tool being embodied as a shank provided with a shoulder and the upper tool connector as a tool clamp with a female, open-centered body. A tool suspension device includes the upper tool connector and a travelling block member. The tool clamp has multiple mobile tool retainers adapted to—in a non-operative position—allow introduction of the shank of the tool from below into the shank receiving passage and—in an operative position—engage below the shoulder of the shank that has been introduced into the passage so as to suspend the tool. The upper tool connector may include a bearing allowing for swivelling of the open-centered body, and e.g.

Abstract: To provide a chain guide assembly frame capable of efficiently collecting the oil that adhered to various parts of the chain guide assembly, and guiding the collected oil to predetermined locations, to allow efficient use of oil, with a simple structure. The chain guide assembly frame includes driven sprocket holding portions, a fixed chain guide, and a pivoting chain guide holding portion on a main body. A drive sprocket holding portion is provided at a position lower than the driven sprocket holding portions. The main body includes a concave and/or convex oil passage that extends from an upper part toward a lower part to guide the oil toward above the drive sprocket holding portion.

Abstract: The invention relates to a crane, in particular a rotary tower crane (1), comprising a crane boom (3), from which runs a hoisting cable (6) connected to the load hook (7), as well as comprising a load hook positioning device (8) for determining the load hook position, wherein the load hook positioning device (8) has at least three electromagnetic radio modules (9) exchanging radio signals with one another, of which at least one radio module is attached to the load hook and at least two further radio modules are attached to the crane structure and/or in the environment of the crane in a spaced apart manner, as well as an electronic evaluation device for evaluating the radio signals and determining the position of the load hook from the radio signals.

Abstract: A rope guiding device used in connection with the rope hoist to guide a hoisting rope. The inventive rope guiding device of a rope hoist for guiding a hoisting rope on a rope drum which rope drum may be adapted to rotate in order to wind the hoisting rope around the rope drum or off the rope drum to hoist and lower a load adapted on the hoisting rope, the rope guiding device comprising at least one guiding element to guide the hoisting rope of the rope hoist, and a screw to move said at least one guiding element, is characterized in that wherein the rope guiding device is supported to the body of a trolley of the rope hoist by means of a support arrangement which support arrangement comprises first pivotings and second pivotings adapted to a substantially 90-degree angle in relation to said first pivotings.

Abstract: The present specification provides a device and method for controlling a winch parcel delivery system through an uncrewed aerial vehicle (UAV) or drone. The example apparatus contemplates the use of a winch that will attach to a hook with active and passive release mechanisms through a winch line. The apparatus is enabled to attach to a parachute recovery system. The apparatus can detect when the ground has been reached to enable safe delivery of parcels. The apparatus can removably attach to various types of drones.

Abstract: A drive device includes a gear unit, which is able to be driven by a motor and includes a pressure-lubrication system. The pressure-lubrication system has a distributor block, having a continuous longitudinal bore and continuous transverse bores. The distributor block is arranged as a single piece, in particular from metal such as steel or aluminum.

Abstract: A lubricant or fluid distributor may have a housing made in one piece and comprising an inner wall and an outer wall. The inner wall encloses an inlet chamber fluidly connected with an outside of the housing through a fluid inlet. A main chamber may be formed in between the outer wall and the inner wall, the main chamber fluidly connected with the inlet chamber and fluidly connected with the outside of the housing through one or more fluid outlets. A lubricant fitting member may be encapsulated within the inlet chamber. A system with the lubricant or fluid distributor may have a part to be lubricated.

Abstract: A method for securing an angular position of a crane jib displaceable in lifting and in lowering by a winch integrating a motor driving a drum on which is wound a rope and secured to a platen provided with arcuate oblong locking holes, the method including measuring a speed parameter representative of an angular speed of the jib, controlling the motor to displace the jib with a limitation of the speed parameter to a first maximum value and a limitation of a motor torque to a first limit value, until reaching an angular position in which a lock is aligned with and locked into the locking hole, and controlling the motor to displace the jib in lowering with a limitation of the speed parameter to a second maximum value and a limitation of the motor torque to a second limit value, until the speed parameter is null for a predetermined time period to stop the motor.

Abstract: A system for lubricating a wire rope includes a housing configured to be mounted adjacent a wire to be lubricated. A cartridge for housing lubricant is disposed on the housing. At least two nozzles are in fluid communication with the cartridge and configured to dispense the lubricant onto a respective wire at a position adjacent a weight bearing portion of the wire.

Abstract: The present invention relates to a power-transmitting friction belt having a compressed layer and a knitted fabric. The surface of the compressed layer is covered with the knitted fabric. The knitted fabric has an overlapping section in which one end and the other end of the knitted fabric overlap each other. The overlapping section has a bonding region containing a bonding component for bonding the end and the other end of the knitted fabric together.

Abstract: A vehicle arm adapter that includes a base member, a platform assembly coupled to the base member, and an adjustable frame retaining assembly coupled with the platform assembly. The base member can selectively couple with a lifting arm of a vehicle lift. The platform assembly includes a vehicle engagement surface. The platform assembly can engage and lift a vehicle in coordination with the vehicle lift. The adjustable frame retaining assembly includes a first retractable assembly and a second retractable assembly that are both capable of actuating between an extend configuration and a retracted configuration. The first and second frame retaining assemblies can cooperate to contain a first subset of vehicle frames in the extended configuration. The first and second frame retaining assemblies are prevented from retaining a second subset of vehicle frames in the retracted configuration.

Abstract: A line roller assembly is provided including a base assembly including a clamping assembly configured to clamp the base assembly to a parapet wall surrounding a roof of a structure or other installation, a carriage assembly slidably mounted on the base assembly, said carriage assembly including at least one arm including a roller at a distal end, said carriage assembly movable between at least one extended position and a medial position, and said at least one roller includes a groove configured to receive a line for aiding the line over the parapet wall, wherein in the at least one extended position the at least one arm extends a pre-determined distance over an edge of an outer wall of the structure or the at least one arm extends a pre-determined distance over an inner edge of the parapet wall of the structure over the roof.

Abstract: A V-ribbed belt in which a frictional power-transmission surface is formed from a weft knitted multilayer knitted fabric is provided, in which the weft knitted multilayer knitted fabric contains cellulose based natural spun yarn, polyester based composite yarn, and polyamide based yarn, and in that at least the cellulose based natural spun yarn and the polyamide based yarn are disposed in a layer on the frictional power-transmission surface side.

Abstract: The present disclosure relates to a lifting device, in particular a mobile crane or a cable-operated excavator, that comprises a superstructure, a main boom that starts from the superstructure, a luffing boom that starts from the end of the main boom remote from the superstructure, a winch arrangement, and a tilting moment detection unit for determining the tilting moment acting on the lifting device by the position of the main boom and the luffing boom. The disclosure is characterized by an apparatus for assisting or for fully automatic carrying out an erecting and/or placing down procedure of a boom system comprising the main boom and the luffing boom that is configured to carry out the steps for erecting and/or placing down the boom system in dependence on the tilting moment detected by the tilting moment detection unit.

Abstract: A bicycle front shifting system includes operable to transmit a wireless signal, a crank assembly with two crank arms and a pedal on each of the two crank arms. The crank assembly is rotatable about a rotation axis. A front shift unit is coupled to the crank assembly and is rotatable about the rotation axis. The front shift unit includes a chain ring component with a big chain ring and a small chain ring. The small chain ring has a small diameter and the big chain ring has a big diameter that is larger than the small diameter. A shift mechanism is coupled to and rotatable with the chain ring component about the rotation axis. The shift mechanism is configured to receive the wireless signal from the shifter and to shift a chain between the big chain ring and the small chain ring according to the wireless signal.