Heating – Work feeding – agitating – discharging or conveying...
Patent
1976-06-30
1978-03-14
Camby, John J.
Heating
Work feeding, agitating, discharging or conveying...
34164, F27D 300
Patent
active
040788830
ABSTRACT:
A longitudinally reciprocating grate plate in a substantially horizontal plane for an apparatus for heat variation, such as for cooling or combustion, forming a bed for forwarding a flow of material comprising a one-piece frame shaped base plate with an upper substantially flat surface portion and a slightly rising portion in the direction of flow of said material over said grate, the base plate provided with hollows, internal recesses and protrusions, a plurality of rib-shaped wear pieces to provide a long-life wear surface to the plate in its plane, the wear pieces disengageably assembled with the base plate provided with internal protrusions and recesses in assembly mating with the hollows, recesses and protrusions respectively, of the plate in a snug, easily assembled loose fit and devoidly of any additional independent connecting means such as screws, bolts or welds. The base plate and the wear pieces in assembly are forming slots substantially in the vertical direction to form jet-type air ducts.
REFERENCES:
patent: 3374553 (1968-03-01), Gillman
patent: 3753299 (1973-08-01), Schreiner
patent: 3861659 (1975-01-01), Evenstad
Camby John J.
Claudius Peters AG
Munz Otto John
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