A device includes a climbing frame configured for connection to a support. The device also includes a hydraulic piston connected, at least indirectly, to the climbing frame. The hydraulic piston is oriented to urge, under a tension load, a mast of a crane upwardly against a force of gravity.
METHODS AND DEVICES FOR LIFTING BUILDING CONSTRUCTION CRANES
2023-05-11
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
METHODS AND DEVICES FOR LIFTING BUILDING CONSTRUCTION CRANES
European Patent Office | 2023
|Engineering Index Backfile | 1940
Engineering Index Backfile | 1952
|Engineering Index Backfile | 1937
|Engineering Index Backfile | 1937
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