Tracking or grading unit for ski-trails and paths

Details Tracking or grading unit for ski-trails and paths Tracking or grading unit for ski-trails and paths

1980-07-14

1982-09-14

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Snow or ice surface groomer

37224, 172199, 172 63, 172 80, 404 96, E01H 400, E01C 1941

Patent

active

043488250

ABSTRACT:
A tracking or grading unit for ski-trails and paths, comprises a sliding arrangement having at least one sliding or rolling front and rear support and a frame upon which the supports are mounted. The unit includes a cutting device which is adjustable in height, the cutting device having at least one pivot-arm mounted upon the frame of the sliding arrangement and at least one cutting tool arranged at the lower end thereof.

REFERENCES:
patent: 1556448 (1925-10-01), Lloyd
patent: 1929799 (1933-10-01), Weeks
patent: 2197549 (1940-04-01), Hargrave et al.
patent: 2211277 (1940-08-01), La Mere
patent: 2994896 (1961-08-01), Lopes
patent: 3011564 (1961-12-01), Dahlgren
patent: 3012615 (1961-12-01), Pawela
patent: 3091873 (1963-06-01), West
patent: 3503450 (1970-03-01), Day
patent: 4057916 (1977-11-01), Roemer
patent: 4240508 (1980-12-01), Ishiguro et al.

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