Patent ID: 8251095

Claim:
An articulated mast for a thick-matter delivery installation comprising at least a first mast section and a second mast section, said second mast section having first and second ends, said first and second mast sections both extending along a longitudinal axis and connected by means of a first swivel joint wherein the second mast section immediately preceding the first mast section, may be swiveled from a folded transport position of the articulated mast, into an unfolded working position, wherein, the second mast section is mounted by its first end to the immediately preceding first mast section via a longitudinal axis-centered male/female joint forming a first inclined swivel joint axle, such that the first and second mast sections when in the unfolded working position of the articulated mast are essentially aligned in a vertical reference plane that is plumb with the first mast section, and when in the folded transport position the second mast section is deflected from the first mast section under a defined angle of spread (α); and wherein said articulated mask has a first working position and a second transport position, said first working position having a concrete delivery line associated with said mast.