Matches 1 - 15 out of 15


Match Document Document Title
US20130284688 PORTABLE DERRICK SYSTEM, APPARATUS & METHODS  
A portable derrick system for use in hoisting and lowering loads at a plurality of job sites, comprising, in combination: a boom subassembly, a boom head subassembly, a mast support subassembly, a...
US20150083887 MODULAR SET-UP WINCH FOR A CRANE  
A set-up winch for a crane, in particular for a mobile crane is designed as a transportable, modular unit. Characteristically, the winch's mounting element for mounting the winch to the crane...
US20100072155 Carbody Connection System and Crane Using Same  
A mobile lift crane includes a carbody made from two side members and two end cross members connected to each other with a carbody connection that can be disconnected such that the side members...
US20110147328 LIFTING DEVICE FOR REPLACING DYNAMIC OR STATIC COMPONENTS OF HELICOPTER-TYPE AIRCRAFT  
The present invention concerns a lifting device for replacing dynamic or static components of helicopter-type rotary wing aircraft. The device in one embodiment comprises a lifting means to move...
US20100044330 WIND TURBINE ERECTOR  
A wind tower erection device and method for erecting wind turbine towers which avoid the need for using expensive cranes. The device and method employs a stacker unit for anchoring to the wind...
US20060043041 Portable crane  
A portable crane having a boom with a mid-section disposed between a load section and a counter-weight section. An operator seat assembly is connected to the counter-weight section. A sheave is...
US20070056922 Multi-configuration crane  
A kit for use in alternatively assembling a bridge crane and a jib crane, the kit being usable with a lifting equipment. The includes a support beam for supporting the lifting equipment; first and...
US20100224583 COUNTERWEIGHT BLOCK AND ASSEMBLIES FOR CRANES  
A counterweight block apparatus includes a pair of interconnecting counterweight blocks having top and bottom surfaces, the counterweight blocks forming a plane of interconnection along adjacent...
US20070084813 Support device for a mobile crane  
The present disclosure relates to a support device for a mobile crane comprising a telescopic boom which has a coupling section and at least one telescopic section which can be telescoped out of...
US20120138559 MODULAR LOAD BEARING DEVICE INCLUDING COMPOSITE COMPONENTS  
A modular structural load bearing device including light-weight composite structural members each including an elongated body having at least one internal recess for a cable in the recess or...
US20100170865 Structural members for forming various composite structures  
Structural members widely adaptable for use to build various composite structures and assemblies having horizontal and vertical supports, such as columns, beams and rails, are shown and described....
US20170081044 LOAD ASSEMBLY AND METHOD FOR LIFTING A LOAD INTO AN AIRCRAFT  
A load assembly for use with an aircraft includes a support sub-assembly and a lifting sub-assembly. The support sub-assembly is configured for removable coupling to a structural member of the...
US20170073200 Cylinder Retraction System, Boom Device and Crawler Crane  
A cylinder retraction system causes a crawler side frame hoisting hydraulic cylinder, swingably suspended on a ventral surface side of a lower boom, to swing between a retracted attitude, in which...
US20170066632 PORT CRANE  
A port crane, such as a mobile port crane, comprising an undercarriage and a superstructure that is attached onto the undercarriage, such as in a rotatable manner. The undercarriage has a modular...
US20160159622 PORTABLE DERRICK SYSTEM, APPARATUS & METHODS  
A portable derrick system for use in hoisting and lowering loads at a plurality of job sites, comprising, in combination: a boom subassembly, a boom head subassembly, a mast support subassembly, a...

Matches 1 - 15 out of 15