Hoist arrangement for a dragline rigging
AssigneeCaterpillar Commercial SARL
InventorOswald Cornelius Dannhauser Zaayman
Life of this patent
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Abstract
The invention relates to a hoist arrangement (10) for a dragline rigging. The hoist arrangement includes a triangular framework comprising a hollow fibreglass spreader bar (14) and two fibreglass ties (12) which are attachable to the spreader bar. The fibreglass ties (12) are connectable to a pick-up link on a dragline rigging, and a pair of lower hoist members in the form of wire-reinforced, synthetic rubber belts (16) depend from the spreader bar (14) and include attachment formations (42) at lower ends thereof for attaching the hoist arrangement (10) to trunnions on a dragline bucket.
Claims7
A hoist arrangement for a dragline rigging comprising:
- a pair of lower hoist members which are attachable to trunnions on a dragline bucket, each lower hoist member including a wire-reinforced, synthetic rubber belt;
- and
- an upper hoist member in the form of a triangular framework which includes first attachment formations for attachment to the lower hoist members so as to hold these members apart from one another and at least one second attachment formation for attachment to a pick-up link dragline rigging.
Dependencies are inferred from the claim text.