Matches 1 - 50 out of 136 1 2 3 >


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8991029 Beam structure  
A beam structure of the present disclosure includes a baffle plate. A plurality of lap strips are attached around outer edges of the baffle plate. An adhesive layer is applied to outer surfaces of...
8919586 Hoisting crane with hybrid portions  
Hoisting crane (20), comprising a substantially hollow jib (24,-124; 324) having a longitudinal axis, and comprising one or more hoisting cable guides (47, 48, 49; 147; 347). The jib comprises at...
8839966 Folding jib main strut and transportable reeved strut caps  
A method of assembling a mobile lift crane that includes, during operation, i) a rotating bed having attached thereto a luffing jib hoist drum and line, and a rigging winch drum and line, ii) a...
8777026 Crane jib transition structure  
Provided is a crane jib transition structure, including a jib section, a transition section and a supporting structure. The jib section matches with the transition section, and they fixedly...
8739988 Pinned connection system for crane column segments  
A crane includes first and second column segments. At least a first, third and fifth connector are located on the first segment, respectively mating with at least a second, fourth and sixth...
8739987 Method and device for attaching and removing an additional device to the main boom of a mobile crane  
A method and a device for attaching and removing an additional device having individual elements to and from a main boom of a mobile crane using no auxiliary crane is provided. In the method, a...
8689986 Telescopic crane with self-mounting bracing device and method of mounting a bracing device  
The invention relates to a system for bracing a telescopic crane, in particular a mobile crane, with a bracing unit which can be mounted on the jib. The bracing unit comprises erectable bracing...
8678210 Telescoping boom assembly with base section having primary shell and secondary formed shell  
A mobile crane includes a boom extension assembly having a base boom section with a primary shell and a secondary formed shell attached thereto, which allows for selective strengthening along the...
8534474 Connection system for crane boom segments  
A crane column segment connection system includes first and second column segments with a connector on the second end of the first segment mating with a connector on the first end of the second...
8479933 Removable truck-mounted crane  
A truck-mounted crane is disclosed. The truck-mounted crane may include an elongated pole member, a pivoting arm pivotally attached to the elongated pole member, a support member secured to the...
8438713 Pin changing device and method  
A pin removal assembly for use with an upper block of a crane includes a sheave support and a pin support. The upper block includes a frame, a plurality of sheaves, and a removable sheave pin that...
8414214 Element for connecting a lattice system  
An element is provided for connecting the chords of a lattice system, which consists of upper chords and lower chords, between which struts and/or stays are arranged, to a telescopic boom head....
8366373 Collapsible, lightweight mount to support a cargo loading device  
A fully collapsible lightweight mount to support a cargo loading apparatus. The mount has releasably attached horizontal and vertical arms, with a bracket to adjustably attach a cargo loading...
8177081 Lattice mast crane and lattice mast boom  
This invention relates to a lattice mast crane with a lattice mast boom to be luffed up in a vertical luffing plane, which comprises a pivot piece, a plurality of lattice pieces releasably...
8176611 Pin changing device and method  
A pin removal assembly for use with an upper block of a crane includes a sheave support and a pin support. The upper block includes a frame, a plurality of sheaves, and a removable sheave pin that...
8083461 Boom with guard  
A boom configured to maneuver large objects, such as sections of pipe, which comprises a machine guard assembly having a support member. The support member includes an outer support surface with a...
7954657 Connection system for crane boom segments  
The boom includes at least a first and second boom segment each with a longitudinal axis and a first and second end, the second end of the first segment being coupled to the first end of the...
7810659 Boom component display apparatus  
A boom component display apparatus 1 of the present invention is provided with processing units 4, connector assemblies 6 and a display unit 5. The processing units 4 are installed on each of a...
7753640 Boom foot pin attachment and detachment apparatus for construction machine  
A bifurcated connection portion is formed on one of an upper rotating body and a boom foot, a flat plate connection portion inserted into the bifurcated connection portion is formed on the other,...
7703615 Lattice piece for a large mobile crane and method of erecting the same  
This invention relates to a lattice piece for a large mobile crane, comprising four corner posts and null bars and diagonal bars connecting the same. In accordance with the invention, the lattice...
7422123 Crane boom for transport as container freight and a transport apparatus for transport of the boom parts of a crane boom of this type  
The present invention relates to a crane boom for transport as container freight which can be assembled from a plurality of boom parts which each have coupling pieces at the front face end for the...
7367461 Movable girder mounted jib  
A portable jib for movably mounting to a crane girder includes a base frame configured for traveling along a girder and a support member coupled to the base frame, wherein the support member...
7293668 Manual boom lift method and apparatus  
Manual boom lift apparatus and method involve a base having three support legs, a fulcrum configured to fixedly mount the legs, a boom member detachably mounted on the fulcrum, the boom member...
7290671 Crane  
A crane performs a self-assembling/disassembling operation using a hoisting winch, a hoisting rope, and a hanging hook, and includes a sheave device for guiding the hoisting rope on an upper...
7223061 Boom  
A boom for a telescopic loader, is described. It is proposed that the boom be configured with a carrier arrangement having one end fastened to a frame of the loader vehicle, free to pivot, and...
7156245 Device for demountable assembly of the jib elements of a tower crane  
The invention is concerned with the demountable assembly of latticework jib elements comprising upper and lower chords connected to one another by means of triangulation bars. In the region of the...
6702132 Crane self-assembly system  
A method of assembling a heavy duty mobile crane having a load handling boom that has a boom base section and other component parts. The method includes positioning the component parts adjacent...
6616397 Hoist system and method of use  
A portable hoist system and method of use in combination with the rear bed and ball hitch of a pick-up truck. All of the system components may be contained in a portable bag about four feet long....
6502292 Apparatus and method for preparing an excavator stick for transport  
An apparatus for preparing an excavator stick for transport includes a base supporting two symmetrically spaced platforms for use by a mechanic. The base comprises a saddle at one end for holding...
6422408 Method and device for mounting the masthead of tower cranes  
The invention relates to the mounting of the revolving part of a tower crane, at the top of the mast. A first assembly, formed by the counterjib (8), its tie rod (19) and a rear part (22) of the...
6279764 Hoisting device  
A hoisting device (1) comprises at least a hoisting mast (7), a foot (4) arranged on the underside and connected to the hoisting mast, and a lifting device (6) connected at least to the top of the...
6269944 Channeled beam extruded of aluminum alloy for crane or conveyor  
A beam extruded of aluminum alloy for use in cranes and conveyors is formed with a channel having runs that straddle an open bottom and are strengthened by pin receivers formed in C-shapes with...
6250629 Mailpiece stacking system and method  
In a mailpiece stacking system, a pressure pad is used to direct incoming mailpieces from a mailing machine used with the system onto a feed deck, where the mailpieces are stacked against a...
6213318 Rotatable connection system for crane boom sections  
A crane has a boom with a rotatable boom section connection system. The crane has an upper works rotatably mounted on a lower works, the upper works including a load hoist winch. The boom...
6131750 Connection system for boom extension  
A connecting system for aligning the fly lug of a strut on a boom extension for connection to the boom head shaft of a crane boom. The apparatus includes an offset jack screw extending through a...
5971177 Pickup crane  
A portable truck crane which mounts in the hitch receiver of a vehicle, and lifts objects. The crane is guyed so that the crane beam is subjected only to compressive forces, not rotational forces....
5842587 Offsetting link assembly for folding luffing jib  
A crane boom and luffing jib assembly have an offsetting link to allow the luffing jib to fold back and under the main boom for assembly of the boom and luffing jib assembly on a construction site...
5695082 Crane having a readily removable outer boom section  
A crane apparatus includes an upstanding mainframe and a boom unit supported for pivoting movement on the mainframe about a horizontal axis. The boom unit includes a base boom, an outer boom...
5655676 Chord protector  
A chord protector employs a resilient covering affixed to an appropriate crane element, extension, lattice structure or headache ball, to protect a chord from damage during a collision with a...
5649635 Easily removable sheave assembly  
A crane boom top is disclosed in which a sheave assembly having a number of sheave sets is supported on the crane boom top by boom sheave supports. Each sheave set is mounted on an individual...
5642821 Mobile crane with improved boom construction  
A mobile crane includes an undercarriage or lower crane carrying chassis, an upper load lifting and carrying chassis pivotally mounted on the lower chassis, a cab located on the upper chassis for...
5597078 Mobile crane  
The invention relates to a mobile crane comprising a lower vehicle and an upper vehicle turningly mounted thereon and bearing a telescoping boom with a luffing cylinder for the pivoting thereof....
5487479 Method for nesting longitudinally divisible crane boom segments  
A longitudinally divisible crane boom segment includes at least a first and a second section that are easily nested together for transport. The sections each include at least one chord member, at...
5484069 Process for self-disassembling a crawler crane  
A method and apparatus for self-assembling and self-disassembling a large capacity crawler crane. The method uses the load hoist line of a crane to remove the equalizer from the boom. The method...
5412913 Self-aligning beam joint suited for use in modular construction  
An improved joinder method and system which allow either individual vertical columns or prefabricated module assemblies which incorporate a plurality of said vertical columns to be quickly and...
5292016 Luffing jib backstop assembly  
A luffing jib backstop assembly for limiting rotation between a luffing jib and a boom to which the luffing jib is attached is disclosed. The assembly comprises at least one backstop pendant...
5265741 Boom extension for gantry cranes  
An apparatus and method for providing a boom extension for retractable booms of gantry cranes which does not require lowering the boom during attachment of the extension, or increasing the lift...
5240129 Heavy duty crane with self-retracting/erecting live mast  
A traveling crane incorporates a self-retracting/erecting live mast or the like, pivotally mounted on the base unit and capable of moving to and from a flipped, stowed position on the opposite...
5199586 Quick-connect sectional boom members for cranes and the like  
A quick-connect system is disclosed for sectional boom members for cranes and the like. The sectional boom members comprise chords for carrying compressive loads, each chord terminating in an end...
5140929 Handling boom comprising a main boom and an additional boom  
The invention relates to a handling boom comprising a main boom and an additional boom which is pivotally mounted relative to the main boom about a first axis, the additional boom comprising a...

Matches 1 - 50 out of 136 1 2 3 >