Hook block base body
AssigneeLiebherr-Werk Ehingen GmbH
InventorBernd BOOS
Life of this patent
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Abstract
The invention relates to a hook block base body for fastening to a pulley set of a hoisting apparatus having a plurality of deflection pulleys comprising a means for installing the hook block base body at the pulley set and a load suspension means for suspending a load, characterized by at least one projection element that is configured to cooperate with a deflection pulley on an installation of the hook block base body at the pulley set and only to permit an installation of the hook block base body at the pulley set when the deflection pulley cooperating with the projection element is rope-free.
Claims20
A hook block base body for fastening to a pulley set of a hoisting apparatus having a plurality of deflection pulleys comprising:
- a means for installing the hook block base body to the pulley set;
- a load suspension means for suspending a load;
- and
- at least one projection element that is configured to cooperate with a deflection pulley of the plurality of deflection pulleys on an installation of the hook block base body at the pulley set and only to permit an installation of the hook block base body at the pulley set when the deflection pulley cooperating with the projection element is rope-free.
A hook block comprising:
- a pulley set of a hoisting apparatus including a plurality of deflection pulleys;
- and
- a hook block base body for fastening to the pulley set, the hook block base body comprising:
- a recess for installing the hook block base body to the pulley set;
- a load suspender for suspending a load;
- and
- at least one projection element that is configured to cooperate with a deflection pulley of the plurality of deflection pulleys on an installation of the hook block base body at the pulley set and only to permit an installation of the hook block base body at the pulley set when the deflection pulley cooperating with the projection element is rope free.
A crane comprising:
- a hook block base body for fastening to a pulley set, the hook block base body comprising:
- a recess for installing the hook block base body to the pulley set;
- a load suspender for suspending a load;
- and
- at least one projection element that is configured to cooperate with a deflection pulley of the plurality of deflection pulleys on an installation of the hook block base body at the pulley set and only to permit an installation of the hook block base body at the pulley set when the deflection pulley cooperating with the projection element is rope free.
Dependencies are inferred from the claim text.