US 12,240,738 B2
Telescopic jib with swing-out mast
Christian Moritz Urban, Zweibrücken (DE)
Assigned to Tadano Demag GmbH, Zweibrücken (DE)
Appl. No. 17/635,233
Filed by Tadano Demag GmbH, Zweibrücken (DE)
PCT Filed Aug. 11, 2020, PCT No. PCT/EP2020/072451
§ 371(c)(1), (2) Date Feb. 14, 2022,
PCT Pub. No. WO2021/032529, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10 2019 122 071.8 (DE), filed on Aug. 16, 2019.
Prior Publication US 2022/0219952 A1, Jul. 14, 2022
Int. Cl. B66C 23/70 (2006.01); B66C 23/42 (2006.01); B66C 23/82 (2006.01)
CPC B66C 23/701 (2013.01) [B66C 23/42 (2013.01); B66C 23/828 (2013.01); B66C 2700/0371 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A telescoping jib comprising:
a plurality of boxes comprising a basic box and at least one inner box; and
at least one mast that is configured to be folded out into a folded-out position and to be folded in into a folded-in position;
wherein in the folded-in position the at least one inner box together with the at least one mast is pushed into an adjacent box in a retracted position, and wherein in the folded-in position the at least one mast extends with its longitudinal direction parallel to a longitudinal direction of the at least one inner box and the at least one mast in the folded-in position and in the retracted position does not protrude beyond a cross-section of the adjacent box.