Hoist arrangement for a dragline rigging
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 24, 2003
Grant Date -
N/A
app pub date -
Nov 14, 2000
filing date -
Jun 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully