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| Number | Title | Issue Date |
| 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 connectable with each other, and a head piece. In accordance with the inventi... | 05/15/2012 |
| 7878348 | Robotic-movement payload lifter and manipulator A payload lifter/manipulator module includes a rotatable joint supporting spreader arms angularly spaced with respect to one another. A rigid arm is fixedly coupled to the joint and extends out therefrom to a tip. A tension arm has a first end and a second end with ... | 02/01/2011 |
| 7537126 | Crane A crane includes a boom and boom pivoting mast connected to a swivel body so as to be pivotable, a boom pivoting winch for pivoting the boom, and a main hoisting winch and auxiliary hoisting winch for hoisting up and hoisting down a hanging load. The main and auxili... | 05/26/2009 |
| 7516858 | Crane boom The present invention relates to a crane boom, in particular a telescopic boom of a mobile crane, comprising a boom guying which has at least one guy rope which is guided from an inner articulation point in the region of a boom articulation point to an outer articul... | 04/14/2009 |
| 7441670 | Derrick crane The invention relates to a derrick crane having a main boom and having a derrick boom which are connected to one another by a stay cable to guy the main boom, having an auxiliary tip adjoining the main boom and a stay cable for its guying. In accordance with the inv... | 10/28/2008 |
| 7370769 | Hoist for retrieving and lifting loads A hoist for retrieving, lifting and positioning a light load of up to about 1000 lbs, is described. The hoist comprises a boom support column having an attaching lower end and a boom support upper end. The boom support upper end has a boom assembly connector and a t... | 05/13/2008 |
| 7357263 | Articulating jib An improved boom-mounted jib unit (10) is provided having an increased range of motion and work envelope, which allows a user to lift heavier loads an otherwise work with less jib interference, as compared with prior jib units. The jib unit (10) includ... | 04/15/2008 |
| 7341158 | Traveling crane and assembling/disassembling method thereof A traveling crane according to the present invention includes a hook hoisting guide sheave for guiding a hook hoisting rope from the top of a boom toward the end of a jib, and the hook hoisting guide sheave is arranged on the top of the boom in a state that the guid... | 03/11/2008 |
| 7337912 | Automatically deployable boom extension and method of deploying same A crane including a telescoping boom has a base boom member and an inner member slidably mounted in the base boom member with a first end projecting from the base boom member. The inner member includes first and second connector elements. A boom extension has a firs... | 03/04/2008 |
| 7331476 | Lifting appliance A machine for lifting and handling loads with an orientable articulated placing jib, comprising a mast with a rotating pivot, an articulated jib (16) comprising a jib foot (19), articulated at its first end on the top of the mast by a horizontal rotati... | 02/19/2008 |
| 7311213 | Crane A crane including a cabin provided on the left or right side, a boom raised and lowered around a pair of boom feet provided on the left and right sides of the base of the boom, and a gantry provided behind the boom. The boom foot on the side of the cabin is located ... | 12/25/2007 |
| 7270243 | Method for erecting an at least two-piece main boom for a lattice-boom crane and lattice-boom crane built accordingly The present invention substantially relates to a method for erecting and disassembling an at least two-piece main boom for a lattice-boom crane. The erecting and disassembling procedure results in that the geometric kinematic properties of the main boom (1, 2... | 09/18/2007 |
| 7270346 | Vehicle frame A vehicle frame assembly includes first and second generally parallel chassis rails. At least one of the first and second chassis rails has a first portion defining an internal cavity and at least a second portion defining an enclosed passageway extending along the ... | 09/18/2007 |
| 7258242 | Mobile crane boom having an autarchic hydraulic power unit mounted thereon The present invention relates to a mobile crane boom having a self-sufficient energy supply arranged on it for supplying hydraulic energy to at least one hydraulic load arranged on the mobile crane boom. The supply of the hydraulic load arranged on the mobile crane ... | 08/21/2007 |
| 7243753 | Carrier vehicle for drilling or rockbolting machine The invention relates to drilling or rockbolting machines, for the execution of underground works, in particular in mining operations. The carrier vehicle comprises a chassis and four wheels, all driving wheels, with two wheels situated on the right-hand side of the... | 07/17/2007 |
| 7219810 | Mobile crane with elongated boom The invention concerns a mobile crane with a long main boom. According to the invention, the main boom is in two parts linked at a swivel point in such manner that the boom can bend when raised and can be positioned in extended or quasi-extended final erection posit... | 05/22/2007 |
| 7213717 | Telescopic boom The within invention concerns a telescopic boom of a crane with a pivot section, telescopic sections that can telescope out of the pivot section, and a guying that has at least one guy stand housed to pivot on one of the sections, and at least one guy cable supporte... | 05/08/2007 |
| 7165877 | Slurry mixing apparatus The invention is an apparatus for mixing fluent material. A hopper is pivotably mounted to a frame on a pivot axis that is substantially spaced from the axis of rotation of a mixing paddle. Because the pivot axis is substantially spaced from the axis of rotation, th... | 01/23/2007 |
| 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 upper chords, there is provided an assembly by shackle, tenon and a c... | 01/02/2007 |
| 7131548 | Folding pinnacle bending device A folding pinnacle bending device for a mobile crane (20) comprises a joint area (9) which is bent in order to adjust the angle of the folding pinnacle (10) and which comprises a joint (8) in its upper or tensile load area, wherein the jo... | 11/07/2006 |
| 7097133 | Articulated folding wing structure and method An articulated wing (20) is readily deployable from a stowed configuration that occupies minimal volume to an extended configuration for flight. The wing (20) includes a frame (24) having a pair of beams (30) spaced by one or more ribs ( | 08/29/2006 |
| 7093730 | Tower crane with collapsible counter-jib The auto-erection tower crane possesses a tie-free jib, mounted at the summit of a mast and extended, toward the rear of its connection point to the summit of the mast, by a counter-jib, the end of which is connected, by a rear tie, to a bogie truck element of the c... | 08/22/2006 |
| 7077617 | Vehicle equipped with lift device and lift device A vehicle is provided having a lift device comprising: a carrier; a swing arm with one end fixed to a shaft and another end coupled the carrier; and a drive for swinging the swing arm on top of the vehicle. The carrier is lowered from the top of the vehicle at an in... | 07/18/2006 |
| 6991120 | Device for raising and unfolding the mast and for raising the jib of a crane The device applies to a crane having multiple functions, with a modifiable configuration, which comprises a foldable mast, composed of two elements, and a distributing jib, composed of a plurality of successive elements. This device comprises a double-acting jack co... | 01/31/2006 |
| 6960056 | Geometry for a sugar cane loader boom including a top-supported swivel mast A loader boom of a sugar cane loader includes a swivel mast having a vertical axis located to intersect the mid-point of a furrow located between first and second cane rows that would respectively pass centrally beneath the loader vehicle and outside wheels at one s... | 11/01/2005 |
| 6860396 | Loader A loader includes a base equipped with a turning device, for attaching the loader to a carrier machine, a telescopic main boom including a frame pivoted on the base, and a telescopic component arranged to move linearly in relation to it and pivoted on the base, a hi... | 03/01/2005 |
| 6655539 | Tower crane with composite structure, self-assembling, with folding and telescoping tower, and arm made up of several sections A tower crane with composite structure, self-assembling, with sections which are hinged together with the use of horizontal hinges, the whole comprising a load-bearing arm (50) made up of several sections (23), (24), (25), (26) hinged together, and a towe... | 12/02/2003 |
| 6550625 | Boom arrangement for work machine A boom arrangement for moving a work head, which boom arrangement comprises a pillar mounted on a bearing around the vertical axis in a rotating manner, with mounting and rotational members; a lifting boom; a transfer boom; a lifting cylinder arranged bet... | 04/22/2003 |
| 6488161 | Boom mechanism A boom mechanism that is cooperable with a lift vehicle or base structure includes a tower boom and an upper boom liftable in a dependent relationship by a single lifting mechanism. The tower boom and the upper boom are respectively pivotally secured to a... | 12/03/2002 |
| 6439408 | Crane with jib having multiple functions The crane comprises a mast (6), mounted on a chassis (1, 3), and a distributor jib (7) composed of successive elements (14, 15, 16) articulated on one another about horizontal axes (24, 29), the first jib element (14) being articulated about a horizontal ... | 08/27/2002 |
| 6405492 | Mobile working apparatus In order to be able to shift a leader (18), which is disposed on a travelling chassis (10) via a carrying mechanism (16), both towards the front and also towards the rear into a substantially horizontal position, the carrying mechanism (16) has at least o... | 06/18/2002 |
| 6390312 | Lift structures and lifting arrangement therefor Load-bearing apparatus, such as a boom lift, including first and second arm portions, in which at least one element, such as a hydraulic cylinder, is provided for selectively imparting a predetermined dependent relationship as well as a predetermined inde... | 05/21/2002 |
| 6290078 | Device for folding a crane jib with nesting elements This device for independently controlled motorized unfolding/folding, is applicable to a crane jib, two consecutive elements of which are articulated to one another about a horizontal axle located approximately mid-way up the jib, and which have respectiv... | 09/18/2001 |
| 6276541 | Device for simultaneously unfolding or folding crane jib tip elements The device applies to a tower crane jib comprising a succession of elements articulated one to the next, comprising at least two relatively long main elements, and two relatively short tip elements. Connecting members, particularly in the form of a link-r... | 08/21/2001 |
| 6260720 | Two arms system Unit cranes consist of three hinged arms (13-15), the middle arm (14) being in the form of a polygon comprising a number of units jointed together, the flexibility of the units being arranged by influencing the units internally. The object of the inventio... | 07/17/2001 |
| 6193087 | Two arms system Unit cranes consist of three jointed arms (13-15), the middle arm (14) being in the form of a polygon comprising a number of units jointed together, the mobility of the units being arranged by influencing the units internally. The object of the invention ... | 02/27/2001 |
| 6186346 | Multi-position low profile boom nose A multi-position boom nose includes a support structure disposed at one end of a boom. The support structure supports at least a first sheave set, and the first sheave set includes at least one sheave. A pivot arm has a first end pivotally connected to th... | 02/13/2001 |
| 6186347 | Mobile crane with a telescopic jib A mobile crane including an inclinable telescopic jib having a base case, a plurality of telescoping segments which can be extended and retracted, at least an inner-most one of the telescoping segments being pivotable in a direction of the inclinable jib ... | 02/13/2001 |
| 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 threaded aperture in the boom head shaft parallel to the str... | 10/17/2000 |
| 6129226 | Vehicle mounted mini hoist In connection with a pair of pivotally connected articulating booms there is a pair of double-acting hydraulic cylinders which control the vertical pulling of well pipe, such that a boom assembly in conjuction with an improved winch assembly willgenerate ... | 10/10/2000 |
