Locking head
AssigneeLiebherr-Components Kirchdorf GmbH
InventorsMarkus Schuster, Jürgen Bopp, Hans-Peter Lavergne
Life of this patent
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Abstract
The present invention relates to a locking head for telescoping cylinders of a telescopic boom, which has a plurality of telescopic boom portions, and a housing which comprises at least one bolt-like cylinder locking body, which can be moved in and out of the housing in order to lock the locking head with a telescopic boom portion, and at least one bolt-like telescope locking body, which can be moved in and out of the housing in order to release the telescopic boom portion for a telescoping movement. The locking head has at least one electric actuator which is designed to actuate the at least one cylinder locking body and/or the at least one telescope locking body.
Claims16
A locking head for telescoping cylinders of a telescopic boom having a plurality of telescopic boom portions, comprising:
- a housing,
- at least one cylinder locking body, configured to move in and out of the housing in order to lock the locking head with a telescopic boom portion of the plurality of telescopic boom portions,
- at least one telescope locking body oriented perpendicular to the at least one cylinder locking body, the at least one telescope locking body configured to move in and out of the housing in order to release the telescopic boom portion of the plurality of telescopic boom portions for a telescoping movement,
- at least one electric actuator which is designed to actuate the at least one cylinder locking body and/or the at least one telescope locking body in a retraction direction towards an interior of the housing, and
- a spring element or a magnet element configured to exert a force outwards on the at least one cylinder locking body and/or the at least one telescope locking body in an extension direction, the extension direction opposite to the retraction direction.
Dependencies are inferred from the claim text.