US 12,013,186 B2
Slag door pusher
Timothy Aretz, Ford City, PA (US); and Donald Szoszorek, Greensburg, PA (US)
Assigned to KT-GRANT, LLC, Export, PA (US)
Filed by KT-Grant, Inc., Export, PA (US)
Filed on Apr. 20, 2022, as Appl. No. 17/724,631.
Prior Publication US 2023/0341185 A1, Oct. 26, 2023
Int. Cl. F27D 3/15 (2006.01); B25J 18/02 (2006.01)
CPC F27D 3/1545 (2013.01) [B25J 18/025 (2013.01)] 19 Claims
OG exemplary drawing
 
1. 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.