Bucket dredger
AssigneeIHC Holland N. V.
InventorsJacob Brand, Cornelis Van Der Zouwen
Life of this patent
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Abstract
Bucket dredger, comprising: a swivelling ladder connected to a vessel, a driven upper wheel at the top end and a polygonal lower wheel (7) at the lower end of the ladder, one or more endless chains (6) which are guided along both wheels, and buckets (9) connected to the shackles (8) of these chains (6). For receiving the lateral force exerted on a bucket the bottom wall (12) of each bucket (9) is provided with two ribs (15) extending downwardly, which extend substantially parallel to the side walls (14) of the bucket and which, in the assembled state of the bucket, extend adjacent the chains (6) and between the chains and upright edges (16) placed on the lower wheel (7). The ribs (15) can extend along the length of two shackles (8).
Claims5
A bucket dredger, comprising:
- a swivelling ladder for connecting to a vessel;
- a driven upper wheel at a top end of the ladder and a polygonal lower wheel at a lower end of the ladder, the lower wheel having upright edges;
- at least one endless chain guided on the wheels;
- and
- buckets bound to a plurality of shackles of the at least one chain;
- each of the buckets including a bottom wall provided with two ribs extending downwardly, the ribs extending substantially parallel to the side walls of the bucket and substantially alone a length of the bottom wall, the ribs, in an assembled state of the bucket, extending adjacent to the at least one chain, and the upright edges on the lower wheel engaging and supporting the ribs.
Dependencies are inferred from the claim text.