Excavating – Peat excavators
Patent
1982-09-28
1984-02-14
Crowder, Clifford D.
Excavating
Peat excavators
37191A, 198844, E02F 308, E02F 314
Patent
active
044308124
ABSTRACT:
A dredging apparatus comprising a floating device and a frame suspended adjustably therein. The frame supports reversing wheels 1,2 for an endless conveying member 3 provided with blades 4 for loosening and feeding upwards the soil material. The apparatus is further provided with a chute 29 for receiving the material discharged from the members. The endless conveying member 3 comprises a closed endless belt 3 flexible in at least one direction perpendicular to its surface and provided with digging blades or partitions 4 fixed thereon. The frame is provided with a tube 9 open at top and bottom. The upwards running section of the endless belt 3 runs through the tube 9 which encloses the belt 3 with blades 4 with a small clearance. Furthermore, the frame has a part 14 projecting downwards beyond the tube and supporting a reversing wheel 2 for the belt 3. The angle of that part with respect to the vertical is adjustable such that the belt section 22 can engage the bottom at the inlet of tube 9. The downwards running section 18 extends through a tube 17 as well which has its top above water level and to which air may be supplied.
REFERENCES:
patent: 227988 (1880-05-01), Meech
patent: 285565 (1883-09-01), Brotherhood
patent: 816958 (1906-04-01), Bouery
patent: 2620575 (1952-12-01), Pace
patent: 3146537 (1964-09-01), Von Bolhar
patent: 3160966 (1964-12-01), Skakel
patent: 3762558 (1973-10-01), Anderson
patent: 3874101 (1975-04-01), Cummins
patent: 3968579 (1976-07-01), Rossfelder
Crowder Clifford D.
IHC Holland N.V.
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