Excavating – Ditcher – Wheel excavator
Patent
1984-10-24
1986-01-14
Crowder, Clifford D.
Excavating
Ditcher
Wheel excavator
37 84, 37104, E02F 508, E02F 522
Patent
active
045638268
ABSTRACT:
A method and apparatus for removing ballast from beneath railroad tracks utilizes a horizontal undercutter disposed beneath the track to remove the ballast therefrom into a trench excavated by a cooperatively mounted trencher wheel. A horizontally disposed conveyor is located in the trench rearwardly of and adjacent the trench wheel to receive the ballast from the undercutter and to transport the ballast to the trencher wheel for removal thereby.
REFERENCES:
patent: 1778690 (1930-10-01), Scheuchzer
patent: 2196880 (1940-04-01), Van Voorhis et al.
patent: 2552649 (1951-05-01), Protzeller
patent: 3096829 (1963-07-01), Plasser et al.
patent: 3356157 (1967-12-01), Plasser et al.
patent: 3436848 (1969-04-01), Peppin et al.
patent: 3967396 (1976-07-01), Maisonneuve et al.
Crowder Clifford D.
Kershaw Manufacturing Company, Inc.
Thompson Jr. Woodford R.
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