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| Number | Title | Issue Date |
| 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 second segment, and at least one first connector on the second end of the f... | 06/07/2011 |
| 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 plurality of unit booms 11a... | 10/12/2010 |
| 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 putting together of the boom parts, wherein the boom parts each have ... | 09/09/2008 |
| 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 extends substantially upward from the base frame. A boom is coupled to a fr... | 05/06/2008 |
| 7309080 | Extendable arm for a motor vehicle An extendable arm that extends from a police vehicle towards a pulled over vehicle. The arm allows for two-way communication or document transfer. The police officer can position the extendable arm while seated in the vehicle. The extendable arm includes a main shaf... | 12/18/2007 |
| 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 including on either end a counterbalance arm configured for detachably mo... | 11/13/2007 |
| 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 portion of a lower boom. The sheave device includes a first sheave on a rea... | 11/06/2007 |
| 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 |
| 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 having a second free end defined by an attaching flange. A front piece in... | 05/29/2007 |
| 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 |
| 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 |
| 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 said crane, such as on a truck, raising the parts from the tr... | 03/09/2004 |
| 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. The system components include plural boom sections, plural ... | 09/09/2003 |
| 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 the back portion of the excavator stick which has been deta... | 01/07/2003 |
| 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 jib bearer (5), made in two separable parts, is pre-built on... | 07/23/2002 |
| 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 hoisting mast (7). The hoisting device (1) is assembled fr... | 08/28/2001 |
| 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 material integrally extruded under the runs. An upper region ... | 08/07/2001 |
| 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 stacking wall in the system. To properly handle mailpieces includ... | 06/26/2001 |
| 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 at least a first and second boom section each with a long... | 04/10/2001 |
| 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 |
| 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. A support leg allows the lifting of heavier loads, and a w... | 10/26/1999 |
| 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 where the entire length of the boom and luffing jib cannot... | 12/01/1998 |
| 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 section of one or more outer booms, and a fluid-actuated piston-... | 12/09/1997 |
| 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 headache ball or other weighty object. The chord protector can ... | 08/12/1997 |
| 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 and connectors connect the individual shafts to the boom ... | 07/22/1997 |
| 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 operating the crane, a base section that can be swivelled a... | 07/01/1997 |
| 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. The telescoping boom comprises two parts able to be bolted t... | 01/28/1997 |
| 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 least one bracket attached to the section, and a plurality ... | 01/30/1996 |
| 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 also uses a hydraulic cylinder to support, raise and lower t... | 01/16/1996 |
| 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 accurately lowered into position on top of one or more similar... | 05/09/1995 |
| 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 attached at a first end to the luffing jib and at a second end t... | 03/08/1994 |
| 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 capacity of the boom hoist machinery, nor does the boom exten... | 11/30/1993 |
| 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 of vertical from the positions of the normal operating mo... | 08/31/1993 |
| 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 configured to abut against an end of a chord of an adjacent... | 04/06/1993 |
| 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 support frame pivotally mounted on the main boom about a first... | 08/25/1992 |
| 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 is pivotally connected to the turret and includes a plura... | 08/18/1992 |
| 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 support pendant secured to a boom point of a boom and the... | 08/11/1992 |
| 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 boom section, an upper hook member with its concave portion ... | 01/21/1992 |
| 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 cam disposed thereon which rigidly clamps the lower tooli... | 02/19/1991 |
