Bridge crane
AssigneeLiebherr-Werk Nenzing Ges.m.b.H.
InventorWalter Lange
Life of this patent
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Abstract
The invention relates to a bridge crane and more particularly ship's bridge crane, comprising a bridge, which has two transverse bearers extending parallel to one another and constituting a track for the travelling crane and folding lateral parts, respectively pivoted at the ends of the bearers, for the selective extension of the track. In accordance with the invention the lateral parts are able to be folded from a position, in which they are in alignment with the transverse bearers, through 90.degree. into their inactive position, in which tips thereof are directed towards the respectively other transverse bearer.
Claims16
A ship's bridge crane, comprising a bridge, said bridge having two transverse bearers extending parallel to one another and constituting a track for a travelling crane and said traverse bearers having folding lateral parts, respectively pivoted at the ends of the bearers, for the selective extension of the track,
- wherein the lateral parts are able to be pivoted from a position, in which they are in line with the transverse bearers through 90.degree. into a folded inactive position, the transverse bearers are arranged at different levels so that the lateral parts are arranged over each other in their folded, inactive position, and
- wherein the travelling crane has wall parts carrying a running gear, said running gear being so adapted in height to a height of the transverse bearers that the travelling crane is arranged substantially horizontally.
Dependencies are inferred from the claim text.