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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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6279764 |
Hoisting device
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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...
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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...
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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 comprises...
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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...
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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....
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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...
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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...
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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...
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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 shaft...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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 side...
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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...
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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...
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5139157 |
Concrete placing boom assembly for ready-mix concrete
The invention is directed to a concrete placing boom assembly for use with two trucks. The assembly includes a base frame and a rotatable turret rotatably mounted on the base frame. A foldable boom...
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5137161 |
Boom support assembly
A boom support assembly for an earth working machine, which includes a winch, a pair of tension members and a pendant pin link interposed between tension members. The first tension member is a boom...
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5082128 |
Crane having a multi-section boom
Cranes having multisection booms have an apparatus for interconnecting boom sections mounted at the ends of the boom sections. The apparatus for interconnecting the boom sections has: on a first...
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4993564 |
Quick disconnect tooling mount
A quick disconnect tooling mount having integral fluid conduits for use with lower tooling nests having changeable tooling assemblies. The coupling uses a rotary locking member, having an eccentric...
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4905850 |
Quick disconnect boom mount
A quick disconnect boom mount having integral fluid conduits for use with master part transfer booms having changeable part handling spider booms. The coupling utilizes a rotary locking member,...
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4880123 |
Method for converting a digging boom to a lifting boom
A method for converting the angulate form boom of a digging machine such as a backhoe or the like into a substantially straight lifting boom. The original angulate form boom is separated into two...
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4856662 |
Pedestal crane and method of assembling and erecting it
A method of installing a boom on the top of a high vertical tower comprising vertically positioning a first tower section and securing the tower section to a base; installing a plurality of...
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4653655 |
Crane boom having variable angle offset capability
A mobile crane having a boom and a boom extension connected thereto with a toggle linkage for connecting the boom extension to the boom to allow the boom extension to be offset from the boom by one...
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4621742 |
Boom extension storage means and mechanisms
A mobile crane comprises a multi-section telescopic main boom and a boom extension pivotally connected to the point end of the main boom. The boom extension can be manually swung horizontally...
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4558791 |
Furnace delining apparatus
A furnace delining apparatus has a telescopic jib mounted about a horizontal pivot axis on a turntable. The distal end of the jib carries a tool on a carrier swingable about an axis transverse to...
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4540096 |
Truss boom
A truss boom having an extension member equipped with a pulley and a hook, comprising a pyramidal support frame is disclosed.
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4524873 |
Method and apparatus for disassembling sectional boom of tower crane at terminal heights
An apparatus for the safe, cost-efficient disassembling of a sectionalized tower crane boom is provided that enables disassembling of the boom while the boom is at terminal heights. The...
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4512482 |
Multiple offset crane boom extension
A crane boom extension or jib is held on the nose of the boom by a single fixed length self-adjusting cable loop which extends around an arcuate guide attachable at several different locations to...
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4491229 |
Boom extension stowage system
A multi-section crane boom is provided with a fly section and a jib section which may be erected and supported by a mast and pendants on the end of the boom to extend the effective length of the...
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4484686 |
Multiple offset boom extension
A side stowable swing-around boom extension is pinned on the nose of a telescoping crane boom in a first use position nearly coaxial with the center line of the boom but tilted or offset therefrom...
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4483447 |
Safety mounting for side stowable boom extension or jib
A swing-around side stowable jib for crane booms is safely supported at all times during movement from its use position to its stowed position, and vice versa. In the short transitional movement of...
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4318488 |
Method of extending a jib of a telescopic crane
Method for extending a jib of a telescopic crane which jib may be stored alongside a base section when not in use. The crane boom comprises at least the base section, a second section with linearly...
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4293269 |
Conversion or extension beam
An extension beam is provided to convert a hydraulic excavator to a crane-type hoisting vehicle or to extend the length of a boom.
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4290731 |
Apparatus for picking up overturned vehicles
An apparatus for righting or picking up overturned vehicles is provided. In the illustrated embodiment, the apparatus is a truck-mounted turntable able to rotate in either direction supporting a...
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4276985 |
Truck mounted railroad crane
Apparatus for substantially increasing the load lifting capacity of mobile vehicles, such as truck mounted railroad cranes and the like, without a proportionate increase in the weight thereof,...
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