Roller for chain and scraper assembly
AssigneeEvoqua Water Technologies LLC
InventorDonald Hindman
Life of this patent
Estimating the term…
Abstract
A settling basin of a wastewater treatment system, the settling basin comprises a collector chain for driving a plurality of flights through the settling basin, the collector chain including chain links comprising a plurality of side bars including a plurality of inner pairs of side bars and a plurality of outer pairs of side bars, and connecting pins configured to join the plurality of side bars, each connecting pin including a first end and a second end on an opposite end of the connecting pin from the first end, and flanged rollers disposed on the connecting pins between the first ends and second ends.
Claims19
A settling basin of a wastewater treatment system, the settling basin comprising:
- a collector chain for driving a plurality of flights through the settling basin, the collector chain including chain links comprising:
- a plurality of side bars including a plurality of inner pairs of side bars and a plurality of outer pairs of side bars;
- connecting pins configured to join the plurality of side bars, each connecting pin including a first end and a second end on an opposite end of the connecting pin from the first end;
- and
- flanged rollers disposed on the connecting pins between the first ends and second ends, the flanged rollers including tubular central portions and end portions including flanges, one or more circumferential or crossing grooves being defined in the central portions of the flanged rollers.
A collector chain for driving a plurality of flights through a settling basin of a wastewater treatment system, the collector chain including chain links comprising:
- a plurality of side bars including a plurality of inner pairs of side bars and a plurality of outer pairs of side bars;
- connecting pins configured to join the plurality of side bars, each connecting pin including a first end and a second end on an opposite end of the connecting pin from the first end;
- and
- flanged rollers disposed on the connecting pins between the first ends and second ends, the flanged rollers including tubular central portions and end portions including flanges, one or more circumferential grooves being defined in the central portions of the flanged rollers.
A method of retrofitting a settling basin of a wastewater treatment system, the method comprising replacing one or more rollers disposed on connector pins of links of a collector chain of the settling basin with one or more respective flanged rollers, the one or more respective flanged rollers including tubular central portions and end portions including flanges, one or more circumferential or crossing grooves being defined in the central portions of the one or more respective flanged rollers.
Dependencies are inferred from the claim text.