Crane
AssigneeEPSILON Kran GmbH
InventorJohannes STEINDL
Life of this patent
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Abstract
A crane, in particular a vehicle crane, comprising a first crane arm and at least one second crane arm which are connected together by way of a joint and which are pivotable relative to each other by way of a drive having a piston-cylinder unit, in each case starting from one of the two end positions in which the crane arms are in substantially mutually parallel relationship until reaching a dead point when the longitudinal axis of the piston-cylinder unit is substantially on a line with the joint, wherein there is provided at least one further drive by which it is possible to go beyond the dead point position of the piston-cylinder unit relative to the joint.
Claims17
A crane, in particular a vehicle crane,
- comprising a first crane arm and at least one second crane arm
- which are connected together by way of a joint and
- which are pivotable relative to each other by way of a drive having a piston-cylinder unit, in each case starting from one of the two end positions in which the crane arms are in substantially mutually parallel relationship until reaching a dead point when the longitudinal axis of the piston-cylinder unit is substantially on a line with the joint,
- wherein there is provided at least one further drive by which it is possible to go beyond the dead point position of the piston-cylinder unit relative to the joint.
Dependencies are inferred from the claim text.