Excavating – Peat excavators
Patent
1975-11-17
1977-11-15
Eickholt, E. H.
Excavating
Peat excavators
172393, 172407, 172548, E01H 500
Patent
active
040579166
ABSTRACT:
A trail leveler for smoothing snowmobile trails including a multi-blade rotating member positioned transversely to the path of the leveler and rotating in the direction opposite to the direction of travel of the leveler; and the leveler including a yoke-shaped adjustment linkage for changing the vertical position of the rear skis (or cleat track) in respect to the housing of the leveler to thereby provide adjustment of the position of the rotating member in respect to the surface of the trail to be worked.
REFERENCES:
patent: RE27530 (1972-12-01), Mitchell
patent: 698566 (1902-04-01), Shirreffs
patent: 1021929 (1912-04-01), Hovey
patent: 1670539 (1928-05-01), Hicks
patent: 2330302 (1943-09-01), Morkoski
patent: 2705447 (1955-04-01), Robbins
patent: 2751831 (1956-06-01), Null
patent: 3176781 (1965-04-01), Morris
patent: 3429061 (1969-02-01), Haban
patent: 3661213 (1972-05-01), Taylor
patent: 3804178 (1974-04-01), West
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