Patent ID: 11912542
Assignee: LIEBHERR-WERK NENZING GMBH
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 3:
4. The lifting device in accordance with claim 3, wherein the apparatus for assisting or for fully automatically carrying out the erecting and/or placing down procedure is furthermore configured:
a) to pivot the luffing boom with respect to the main boom in the lifting direction simultaneously with a lifting of the main boom on an erection procedure; and/or
b) to pivot the luffing boom with respect to the main boom in a lowering direction on a placing down procedure simultaneously with a lifting of the main boom; and/or
c) to pivot the luffing boom with respect to the main boom in a lowering direction on a placing down procedure simultaneously with a lowering of the main boom.