Excavating – Rotary digger – Endless conveyor
Patent
1977-04-14
1978-10-17
Crowder, Clifford D.
Excavating
Rotary digger
Endless conveyor
37110, 198518, 214 10, E02F 324, B65G 5700
Patent
active
041201060
ABSTRACT:
An improved sidebank excavator for removing earth from the side of a hill or other embankment, the excavator having a fixed, bidirectional horizontal earth removal assembly; a rotating, bidirectional vertical earth removal assembly; a conveyor assembly for conveying particulate material deposited on a receiving portion thereof to a discharge portion thereof remote from the receiving portion; and a plurality of independently vertically adjustable track drive assemblies.
REFERENCES:
patent: 1055548 (1913-03-01), McChesney
patent: 1436015 (1922-11-01), Cushing
patent: 1730958 (1929-10-01), Van Wienen
patent: 1790810 (1931-02-01), Haiss
patent: 1974190 (1934-09-01), Miller
patent: 3382002 (1968-05-01), Tabor
patent: 3500988 (1970-03-01), Smith
patent: 3612246 (1971-10-01), Elze et al.
patent: 3916544 (1975-11-01), Swisher, Jr. et al.
patent: 4009531 (1977-03-01), Metrier
Smith Donald Wayne
Swisher, Jr. George W.
Teel Larry W.
CMI Corporation
Crowder Clifford D.
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