Disclosed is a knuckle boom crane for offshore application, wherein the crane includes a knuckle boom, carried by a support structure and equipped with an operating unit. The knuckle boom includes a main boom and a terminal boom. The operating unit of the knuckle boom include at least one downstream linear actuator, arranged between the main boom and the terminal boom, for the rotational operation of the terminal boom about a downstream articulation axis. And the at least one downstream linear actuator is fastened to one of the lateral faces of the main boom and to one of the lateral faces of the terminal boom, in order to provide an improved lever arm between the main boom and the terminal boom.

An automated collapsible tower crane comprising a mast with telescopic portions, a boom with boom sections articulated with each other by respective rotary joints, a boom folding system to unfold and fold the boom by the rotary joints wherein each proximal and distal rotary joint is associated with at least one hydraulic actuator to unfold and fold boom sections, a mast folding system to fold the mast down, wherein in the transport position the boom sections are folded down one on top of the other and on the mast, and the boom folding and unfolding system acts independently of the folding and telescoping system of the mast, and comprises hydraulic actuators to fold and unfold the boom sections.

An automated collapsible tower crane comprising a mast with telescopic portions, a boom with boom sections articulated with each other by respective rotary joints, a boom folding system to unfold and fold the boom by the rotary joints wherein each proximal and distal rotary joint is associated with at least one hydraulic actuator to unfold and fold boom sections, a mast folding system to fold the mast down, wherein in the transport position the boom sections are folded down one on top of the other and on the mast, and the boom folding and unfolding system acts independently of the folding and telescoping system of the mast, and comprises hydraulic actuators to fold and unfold the boom sections.

A transportable lifting device (10) comprising: an upright (12); an arm (13) connectable to the upper end of said upright (12); a diagonal (14) for connecting said arm (13) and said upright (12); characterized in that said arm (13) is fixed to said upright (12) by means of a first joint (30, 35); said diagonal (14) is fixed to said upright (12) by means of a second joint (32, 41); said diagonal (14) is fixed to said arm (13) by means of a third joint (36, 40); said first joint (30, 35), said second joint (32, 41) and said third joint (36, 40) are of the type with double tenon and mortise; said first joint (30, 35) comprises: two hooks (35) placed at the end of the arm (13); two vertical slots (30) placed on the upright (12).

A transportable lifting device (10) comprising: an upright (12); an arm (13) connectable to the upper end of said upright (12); a diagonal (14) for connecting said arm (13) and said upright (12); characterized in that said arm (13) is fixed to said upright (12) by means of a first joint (30, 35); said diagonal (14) is fixed to said upright (12) by means of a second joint (32, 41); said diagonal (14) is fixed to said arm (13) by means of a third joint (36, 40); said first joint (30, 35), said second joint (32, 41) and said third joint (36, 40) are of the type with double tenon and mortise; said first joint (30, 35) comprises: two hooks (35) placed at the end of the arm (13); two vertical slots (30) placed on the upright (12).

Provided is a crane with a main boom and a back mast, of which at least one comprises a first mast upper part comprising at least one mast section and a first mast lower part comprising at least one mast section, and a first mast tilting. The first mast tilting member is arranged between the first mast upper part and the first mast lower part, and has a straight hoisting state wherein the first mast upper part and the first mast lower part are essentially in line with each other, and a tilted hoisting state wherein the first mast upper part is tilted with respect to the first mast lower part.

Provided is a crane with a main boom and a back mast, of which at least one comprises a first mast upper part comprising at least one mast section and a first mast lower part comprising at least one mast section, and a first mast tilting. The first mast tilting member is arranged between the first mast upper part and the first mast lower part, and has a straight hoisting state wherein the first mast upper part and the first mast lower part are essentially in line with each other, and a tilted hoisting state wherein the first mast upper part is tilted with respect to the first mast lower part.

A crawler type crane having a base carrier unit having a control unit associated therewith and an upper portion assembly having a boom portion coupled at end to the base carrier unit and to a jib portion at an opposed end. The boom portion includes one or more selected boom sections that are articulatable relative to each other. The crane also includes a multi-function attachment unit that is coupled to the jib portion and has a grappling unit for grasping a work piece and a saw attachment unit for cutting the workpiece. The crane can also include a first fluid regulating device coupled to the jib portion for regulating a fluid to the jib portion and to the multi-function attachment unit and a second fluid regulating device coupled to the boom portion for regulating a fluid to the winch element and to the multi-function attachment unit.

A crawler type crane having a base carrier unit having a control unit associated therewith and an upper portion assembly having a boom portion coupled at end to the base carrier unit and to a jib portion at an opposed end. The boom portion includes one or more selected boom sections that are articulatable relative to each other. The crane also includes a multi-function attachment unit that is coupled to the jib portion and has a grappling unit for grasping a work piece and a saw attachment unit for cutting the workpiece. The crane can also include a first fluid regulating device coupled to the jib portion for regulating a fluid to the jib portion and to the multi-function attachment unit and a second fluid regulating device coupled to the boom portion for regulating a fluid to the winch element and to the multi-function attachment unit.

A crane, in particular a loading crane, includes an arm system that has a plurality of arms. The crane also has a crane controller that is configured, in a coordinate control operating mode, to control the coordinates of the arm system. The crane controller has a user interface, and the user interface has at least one function which can be selected by a user and by way of which at least one of the degrees of freedom of the arm system can be restricted or is restricted in the coordinate control operating mode.