Patent ID: 9637358
Date: 2017-05-02
CPC Classifications: B66C

Claim:
1. A mobile telescopic crane comprising: a movable undercarriage, wherein the telescopic jib has at least three part-jibs, wherein each of the at least three part-jibs is constructed from at least two part-jib portions that are telescopic in the longitudinal direction, wherein the part-jib portions are arranged at a spacing from one another transverse to the longitudinal direction to form a jib portion with at least one rigid connecting element, wherein respective adjacent jib portions are mechanically lockable with respect to one another in the longitudinal direction, wherein the jib has three part-jibs which are arranged triangularly and symmetrically with respect to the luffing plane, and wherein one part-jib of the three part-jibs is arranged in the luffing plane and has a larger part-cross-sectional area than the other part-jibs.