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Match Document Document Title
8876058 Hoisting systems and methods  
Embodiments of the present disclosure generally pertain to hoisting methods for vehicles, such as UH-60 Black Hawk helicopters (“Black Hawks”). An external hoist arm system in accordance with an...
8770347 Rigging system safety device  
Disclosed herein, amongst other things, is a system for providing added safety for workers using rigging systems. In an embodiment, the invention includes a safety device for a roof rigging system...
8499945 Crane, in particular mobile crane with a narrow track and enlarged supporting base  
A mobile crane includes an undercarriage with a middle section and two parallel crawler carriages; a superstructure on which a boom is mounted, the superstructure being connected to the...
8225947 Crane, in particular mobile crane with a narrow track and enlarged supporting base  
A mobile crane includes an undercarriage with a middle section and two parallel crawler carriages; a superstructure on which a boom is mounted, the superstructure being connected to the...
7997432 Trunnion transportation system and crane using same  
A mobile lift crane includes a carbody and at least four crawlers attached to the carbody, each crawler having a crawler frame attached to the carbody by a trunnion having an axis. The crawler...
7828163 Lattice boom crane for lifting heavy loads  
The invention concerns a lattice boom crane, which is composed of at least two individual lattice boom cranes (1, 11), which each comprise a luffing lattice boom (4, 14), whose luffing angle is...
7789253 Combination crane  
A combination crane A is formed by connecting two crawler cranes 1L and 1R. Each crawler crane is provided with at least a lower propelling body 3 which can be propelled by crawlers 2, an upper...
7766176 Mobile lift crane with lift enhancing attachment  
A mobile lift crane includes a central crane unit, a boom unit and a counterweight unit. The central crane unit has a carbody, moveable ground engaging members and a rotating bed mounted to the...
7686561 Remotely operated self-loading/unloading railroad gondola car-top material handler  
A material-handler adapted for locating on top of an open topped railroad car includes a chassis mounted on tracks, and a first and second pair of outriggers extending from the chassis. Wheels and...
7543671 Vehicle with variable-length wheelbase  
A vehicle with a variable-length wheelbase is disclosed. The vehicle of one embodiment has a first body portion coupled to a first set of wheels and a second body portion coupled to a second set...
7331748 Assembly for mounting various work tools to a construction vehicle  
An assembly for mounting various work tools, e.g., a backhoe, to a pair of parallel frame members (28) of a vehicle (20). A pair of parallel main beams (26) extend transversely across the frame...
7328810 Crane supporting apparatus  
A crane support consisting of a steel square tubing pedestal having an apertured mounting plate fixedly attached to its upper end, and having an enlarged base fixedly attached to its lower end; an...
7210590 Transportation cart primarily for use in an animal barn  
A transportation cart primarily for transporting deceased animals through the alleyways of a barn has a swivelling mast and boom mounted on the front section of a frame driven by powered wheels...
6799778 Vehicle with frame support  
In a vehicle with a superstructure having at least one swiveling mast on a slewing gear and a frame support with the aid of front and back movable telescopes disposed on each side of the long...
6679394 Ring lift crane  
The invention is directed to a ring lift crane with a liftable ring forming a circular traveling path and having a plurality of segments which can be connected to one another. Within the ring,...
6631817 Re-configurable crane carrier  
A mobile crane includes a chassis having first connection features located on a rear end thereof. An outrigger includes second connection features for mating with the first connection features. A...
6607347 Backhoe stabilizing leg  
A stabilizing leg for a backhoe is formed with a tubular outer member, a stabilizer rod connected telescopically to the tubular outer member, and a clearance adjusting mechanism for adjusting the...
6564955 Mobile harbor crane for the combined handling of containers and bulk materials  
A mobile harbor crane for the combined handling of containers and bulk materials, having an undercarriage and an upper carriage which is mounted rotatably on the base frame of the undercarriage...
6516961 Ringlift crane  
A ringlift crane having a ring which can be elevated, forms an annular track and has a plurality of segments which can be connected to one another, there being arranged within said ring an...
6474487 Ring lifting crane  
A ringlift crane having a ring which can be elevated and forms an annular track. Arranged within the ring is a standardized undercarriage from a first crane class and a standardized upper...
6386586 Mobile equipment stabilizer foot pad  
A shaped interior stiffener is molded into a polymeric material pad, forming a cushioning pad that can be affixed to a stabilizer leg foot on mobile equipment such as a crane or excavator. A...
6305560 Multiple pedestal ring for ringer crane  
A system of multiple concentric annular support pedestal rings for providing load and counterweight support for a ring supported crane. The pedestal rings are fabricated from uniform sections of...
6202013 Articulated boom monitoring system  
A monitoring system is provided for monitoring positioning and stability of an articulated boom system The articulated boom system includes an articulated boom, having one or more boom sections,...
6138796 Reach truck  
A reach truck with two horizontal support legs supporting the reach truck by load wheels and the end of the legs. Simple means are provided to manufacture such trucks with varying spaces between...
6119882 Self-propelled boom with extendible axles  
A self-propelled boom vehicle has an extendible axle and an extendible steering mechanism which has an automatic steering synchronization system. The extendible axle has a hollow central support...
6113356 Hydraulically liftable mobile pumping apparatus  
A placement and orienting apparatus for a pump and water passing pipe assembly includes a wheeled trailer supporting the pump and water passing pipe assembly; an upper frame structure; a lower...
6065621 Portable and towable lift mechanism  
An improved lift mechanism that is portable and towable, and has a telescopic and angularly adjustable load carrying boom, four telescopic support legs with pivotable wheels thereon, and a low...
6039194 Mobile roof crane  
A compact mobile crane for lifting or lowering a load to or from a roof or other location of a building, and for raising, lowering, and supporting a load along the sides of a building. Elements of...
5934490 Combination engine hoist and stand  
A combination engine hoist and stand for lifting and supporting an engine includes a variably oriented "H" shaped multi hinged base with frame extension capability mounted on casters and a...
5862926 Pickup loading hoist  
A pickup loading hoist for loading and unloading heavy cargo to and from a bed of a pickup without requiring physical exertion by the user and which can be easily disassembled into a compact...
5671932 Camera crane  
A camera crane for use in motion picture and television productions, has a mast on a wheeled chassis. A weight bucket on the chassis around the mast securely holds counterweights used to balance...
5667245 Stabilizer pad for vehicles  
A reversible stabilizer pad for use with stabilizer arms of vehicles. The reversible stabilizer pad has a plate with first and second ground contact faces pivotally coupled to the stabilizer arm...
5547220 Stabilizer pad for vehicles  
A reversible stabilizer pad for use with stabilizer arms of vehicles. The reversible stabilizer pad has a plate with first and second ground contact faces pivotally coupled to the stabilizer arm...
5488788 Groundworking attachments for an outrigger stabilizer pad  
Flexibility of operation is added to a vehicle (10) having a vehicle frame (12) with an operator area (18) and front and rear wheels (14), (16), a power tool (32), a pair of outrigger arms (48)...
5388857 Operator controlled vehicle stabilizer  
An apparatus for stabilizing a material handling vehicle which enables or disables a vehicle's suspension system. Pilot-to-open check valves are mounted on hydraulic cylinders secured between the...
5348172 Industrial carrying machine  
A mobile crane has a triangular wheel arrangement with a steerable front wheel and a frame for carrying an operator and a boom which is adjustable both as to vertical angle and azimuth. Shock...
5337908 Patient hoist  
Disclosed is a patient hoist for use in a room having a floor and at least one pair of parallel spaced walls at opposite sides of the floor. The hoist includes a frame having a pair of track beams...
5289780 Material handling railroad freightcar-mounted gantry and crane with toppling prevention and supplemental support upon derailment  
A gantry adapted for operation along rails attached to the top of a railroad car includes two pairs of wheels, each pair operating on a respective rail. A base support member is positioned above...
5224612 Portable crane  
A portable crane operable between a first, extended position for lifting loads and a second, collapsed position for transportation includes a handle having first and second ends. A boom having...
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...
5082127 Collapsible lift trolley  
The invention relates to a collapsible lift trolley capable of occupying a compact collapsed position and a deployed in-use position. In accordance with the invention, the collapsible lift trolley...
5076448 Portable hydraulic crane  
The crane having a generally trapezoidal frame with a caster wheel at each corner. A mast is mounted on the front of the frame with a brace between each rear corner and top of the mast. Spring...
5018630 High-capacity lift crane assembly  
A high-capacity lift assembly consisting essentially of a multipurpose platform and a pair of commercially available truck cranes or crawler cranes wherein the lifting capacity of the respective...
4801117 Portable support boom for window washer  
A portable support boom for window washers is provided on a support frame which has extendable boom sections that can be folded into a collapsed position and includes transporting wheels and...
4729486 Lift enhancing beam attachment with movable counterweights  
An attachment for increasing the lifting capacity of a crane having a mobile lower works with an upper works including a rear portion rotatably mounted thereon and having a pivotally mounted boom...
4712697 Lightweight tower crane boom for conveying pumped concrete  
A lightweight boom supported by a rotatable jib of a tower crane for introducing flowable concrete mix to form systems has a concrete conveying conduit which functions also as a structural member...
4708251 Method and apparatus for removing a crashed aircraft  
Crane for lifting and removing aircraft wreckage that is immobilized on a landing strip. Two twin beams are provided bevel-hinged at one of their ends. A gantry including legs which are affixed to...
4705295 Material handling vehicle stabilizer  
Apparatus for stabilizing a material handling vehicle during implement manipulation is provided. Dual hydraulic cylinders are provided on each side of the vehicle intermediate the vehicle's frame...
4700851 Lightweight, self-powered, transportable crane assembly  
A lightweight, self-powered, transportable crane assembly is disclosed which includes a frame that can be selectively coupled to and uncoupled from the bed of a transport vehicle or carrier, such...
4653974 System for transporting and erecting very large and heavy construction equipment  
A system for transporting and erecting very large, very heavy construction equipment such as cranes, earth augers or the like. Basically, the system consists of three components. The first...

Matches 1 - 50 out of 143 1 2 3 >