Ski trails rotary cutter and crusher drag unit

Details Ski trails rotary cutter and crusher drag unit Ski trails rotary cutter and crusher drag unit

1984-03-07

1985-06-04

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Snow or ice surface groomer

172 69, 172154, E01H 400

Patent

active

045205825

ABSTRACT:
Apparatus for making ski trails which is towed and comprises a drag having a cutter unit and a snow crushing unit mounted behind the cutter unit on the drag. The units have radial blades and rotate about an axis transverse to the direction of travel of the apparatus. The cutter unit derives its rotary motion from the tamped track of the snow and is connected by a transmission to the crushing unit whereby the latter derives its rotary motion from the cutter unit.

REFERENCES:
patent: 31738 (1861-03-01), Quinby
patent: 43808 (1864-08-01), Wadsworth
patent: 195198 (1877-09-01), Woodgate
patent: 1313008 (1919-08-01), Oakes
patent: 1650400 (1927-11-01), Stark
patent: 2751205 (1956-06-01), Petersen
patent: 3739859 (1973-06-01), White
patent: 4021942 (1977-05-01), Purdy
patent: 4056328 (1977-11-01), Maxey
patent: 4163329 (1979-08-01), Neff
patent: 4348825 (1982-09-01), Bachler

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