The bridge chief directs the operation by managing the movements of the crane hook and stabilizer lines.

Using 2 adjustable links on the same crane hook helps eliminate the need for 3- or 4-leg slings.

A sling (13), having one end put around the hook of the crane, that is capable of engaging a heavy article, has the other end releasably put around the link lever.

The crane hook, used as an alternative to the winch in conventional systems, is integrated in the turn head and is always ready to use.

The vessel immediately moved off the rig about 15 to 20 m, and the crew disconnected the pipe slings from the crane hook.

The crane is disposed with a hook (42).

09 Vehicles fitted with hook lift

A load hook intended to be attached to the outer end of a crane jib, a crane wire or corresponding device.

Preferably, the advertisement (1, 25) is suspended from a crane hook (6) and the advertisement system is attached to the jib (4) of the tower crane (3) only when the crane is not in normal use.

Also disclosed are a hook deviation angle monitoring apparatus and a crane.

Hook: the hook (or hooks) is used to connect the material to the crane.

Rail mounted crane, per hour—with light hook $511.37

A base (16) has a crane engaging portion (27) adapted to have the hook of a crane engaged with the upper end thereof.

Disclosed are a crane hook deviation angle detection apparatus and a crane having the apparatus.

A sectional component (5) is serial-connected between a lifting pulley set of the crane at a crane hook positioning point (4) and a hook (2).