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US 11,208,120 B2Granted
Mobile crane systems and methods
OwnerPaul Markelz, William Kenneth Quastinventors
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Abstract
Systems and methods for a mobile crane are provided. In particular, systems and methods are provided for a mobile crane that is designed to enable easy transportation on a railcar to and from a job site. The mobile crane facilitates quick changing between a transport configuration and a work configuration to enable increased productivity. The mobile crane is configured to be modular and thereby be configured to include various lifting and object manipulating features, as required by a specific application.
Claims47
A crane apparatus comprising:
- a first truss assembly comprising a first main truss having a longitudinal axis, the first main truss being coupled to a first rail car end assembly at a first end of the first main truss;
- a second truss assembly comprising a second main truss spaced apart from and extending approximately parallel to the longitudinal axis, the second main truss being coupled to the first rail car end assembly at a first end of the second main truss, the first main truss and the second main truss spaced apart from one another to define an interior space;
- and
- a truss extension pivotally coupled to the first end of the first truss assembly and rotatable between a deployed configuration and a stowed configuration, wherein the truss extension extends coaxially with the longitudinal axis in the deployed configuration and wherein the truss extension is contained within the interior space and extends approximately parallel to and spaced apart from the longitudinal axis in the stowed configuration.
1 more element
Dependencies are inferred from the claim text.