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US 11,040,860 B2Granted
Crane having a collapsible jib
AssigneeLiebherr-Werk Biberach GmbH
InventorEric Konijn
Life of this patent
Estimating the term…
Abstract
The invention relates to a crane comprising a tower and a jib, wherein the jib rests on the tower and is fixed on the tower when the crane is in an inoperative position.
Claims16
Crane, comprising a tower (11) and a jib (9), wherein
- the jib (9) rests on the tower (11) and is fixed on the tower (11) when the crane is in an inoperative position, and
- in the inoperative position, the jib (9) is locked against rotation to the tower (11) by a frame (12).
Crane comprising a tower (11) and a jib (9), wherein
- the jib (9) rests on the tower (11) and is fixed on the tower (11) when the crane is in an inoperative position,
- an auxiliary support (4) is provided between a jib retaining support (2) and an adjustment winder (3) for adjusting the jib (9), which auxiliary support is coupled to the jib retaining support (2), by at least one guy rod (5), when in a working position, and
- the auxiliary support (4) and the jib retaining support (2) are uncoupled from one another in the inoperative position.
Crane comprising a tower (11) and a jib (9), wherein
- the jib (9) rests on the tower (11) and is fixed on the tower (11) when the crane is in an inoperative position,
- in an installation position, the jib (9) is coupled to a transmission platform (1), by a stay (10), at a jib articulation part (91), and
- in the inoperative position, the stay (10) is uncoupled from the jib articulation part (91) and/or from the transmission platform (1).
Crane comprising a tower (11) and a jib (9), wherein
- the jib (9) rests on the tower (11) and is fixed on the tower (11) when the crane is in an inoperative position,
- in an installation position, the jib (9) is coupled to a transmission platform (1), by a stay (10), at a jib articulation part (91),
- the jib articulation part (91) is hinged, and
- a front part (911) and a rear part (912) of the jib articulation part (91) are rotatably coupled together by a pivot point (913).
1 more element
Dependencies are inferred from the claim text.