Long-distance ski-track ploughing device

Details Long-distance ski-track ploughing device Long-distance ski-track ploughing device

1975-08-25

1977-03-29

Eickholt, E. H.

Excavating

Peat excavators

37 51, 172188, 172393, 172787, E01H 400

Patent

active

040141160

ABSTRACT:
This invention proposes a long-distance ski-track-ploughing device comprising a track sled adapted to be towed by a vehicle in the direction of the track, the underside of the said sled being equipped with tracking elements oriented in the direction of the track. This device is characterized in that the track sled is preceded by a forward sled, joined to the track sled by means of a connecting frame to which each sled is connected pivotably by means of a horizontal axis perpendicular to the direction of the track, the said connecting frame carrying a scraper perpendicular to the direction of the track and located between the said sleds.

REFERENCES:
patent: 649595 (1900-05-01), Brown
patent: 768170 (1904-08-01), Dorsett
patent: 1007459 (1911-10-01), Larsen
patent: 1176591 (1916-03-01), Monroe
patent: 3106969 (1963-10-01), Carter
patent: 3246458 (1966-04-01), Lavergne
patent: 3437061 (1969-04-01), Wells
patent: 3478827 (1969-11-01), Madson
patent: 3534821 (1970-10-01), Mitchell
patent: 3878900 (1975-04-01), Boisse et al.
patent: 3915239 (1975-10-01), Hendrichon

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