Snowmobile trail groomer

Details Snowmobile trail groomer Snowmobile trail groomer

1977-09-09

1978-12-05

Eickholt, E. H.

Excavating

Peat excavators

172188, 172197, 172199, E01C 1900

Patent

active

041279492

ABSTRACT:
An elongated main frame is provided including front and rear end portions. An elongated dual track endless track drive assembly is oscillatably supported from the rear end portion of the frame for angular displacement about a first horizontal transverse axis intermediate the opposite ends of the track drive assembly. A front dirigible ski equipped support assembly is carried by the front end portion of the frame forward of the drive assembly and an elongated longitudinally extending sub-frame including front and rear end portions is supported from the main frame front end portion for angular displacement about a second horizontal axis extending transversely of the main frame and the front end portion of the sub-frame. The rear end portion of the sub-frame includes transversely spaced depending packed and icy snow cover working times and an upstanding transverse blade member rearward of the tines including a generally horizontal lower edge portion. Lift structure is operatively connected between the sub-frame and the main frame for selective angular displacement of the sub-frame about the second axis to raise and lower the rear end portion of the sub-frame, and thus the tines and blade member, relative to snow cover over which the main frame is being forwardly advanced by the drive assembly.

REFERENCES:
patent: 1364007 (1920-12-01), Thompson
patent: 1797476 (1931-03-01), McCain et al.
patent: 3006422 (1961-10-01), Mighell
patent: 3225839 (1965-12-01), Petitt
patent: 3554295 (1971-01-01), Kopasua
patent: 3815688 (1974-06-01), Brown
patent: 3878900 (1975-04-01), Boisse et al.
patent: 3915239 (1975-10-01), Hendrichon
patent: 4002413 (1977-01-01), Foster
patent: 4014116 (1977-03-01), Baechler
patent: 4057916 (1977-11-01), Roemer

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