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US 12,013,186 B2Granted
Slag door pusher
AssigneeKT-Grant, Inc.
InventorsTimothy Aretz, Donald Szoszorek
Life of this patent
Estimating the term…
Abstract
A slag pusher apparatus having a boom with a plurality of telescopingly engaged boom segments. Rollers are positioned between each boom segment to provide support for the boom segments and facilitate extension and retraction of the boom.
Claims19
A boom for a slag pusher apparatus, comprising:
- a boom including a plurality of telescopingly engaged boom segments, the plurality of telescopingly engaged boom segments including an outer boom segment and an inner boom segment;
- and
- a roller pair assembly having rollers positioned to act as an interface between the plurality of segments;
- wherein the roller pair assembly is attached to the outer boom segment such that its rollers protrude through openings formed in the outer boom segment to make contact with the inner boom segment, and
- wherein the roller pair assembly is attached to an outer surface of the outer boom segment such that its rollers protrude through the openings to make contact with an outer surface of the inner boom segment.
2 more elements
A boom for a slag pusher apparatus, comprising:
- a boom including a plurality of telescopingly engaged boom segments, the plurality of telescopingly engaged boom segments including an outer boom segment, an intermediate boom segment, and an inner boom segment;
- and
- a plurality of roller pair assemblies, each having rollers positioned to act as an interface between the plurality of boom segments, the plurality of roller pair assemblies including an inner roller pair assembly, an intermediate roller pair assembly, and an outer roller pair assembly, wherein:
- the outer roller pair assembly is attached to the outer boom segment such that its rollers protrude through openings formed in the outer boom segment to make contact with the intermediate boom segment;
- the intermediate roller pair assembly is attached to the intermediate boom segment such that its rollers protrude through openings formed in the intermediate boom segment to make contact with the inner boom segment;
- and
- the inner roller pair assembly is attached to the inner boom segment such that its rollers make contact with the intermediate boom segment.
4 more elements
A slag door pusher apparatus, comprising:
- a base;
- a pivot assembly connected to the base;
- and
- a boom including a plurality of telescopingly engaged boom segments, the plurality of telescopingly engaged boom segments including an outer boom segment, an intermediate boom segment, and an inner boom segment;
- and
- a plurality of roller pair assemblies, each having rollers positioned to act as an interface between the plurality of boom segments, the plurality of roller pair assemblies including an inner roller pair assembly, an intermediate roller pair assembly, and an outer roller pair assembly, wherein:
- the outer roller pair assembly is attached to the outer boom segment such that its rollers protrude through openings formed in the outer boom segment to make contact with the intermediate boom segment;
- the intermediate roller pair assembly is attached to the intermediate boom segment such that its rollers protrude through openings formed in the intermediate boom segment to make contact with the inner boom segment;
- and
- the inner roller pair assembly is attached to the inner boom segment such that its rollers make contact with the intermediate boom segment.
7 more elements
Dependencies are inferred from the claim text.