Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent
1983-04-11
1984-10-30
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Snow or ice surface groomer
37268, 37281, 172815, E01C 1922, E02F 376
Patent
active
044793120
ABSTRACT:
A foldable snow compactor has a center pan with a pair of operatively positioned wings extending from the ends thereof. The wings are mounted for pivotal movement about axes fixed in relation to the center pan. Single hydraulic piston-cylinder units are employed to pivot the wings through arcs of approximately 180.degree. between their operative extended positions and inoperative positions located rearwardly of the center pan and substantially entirely within the width dimension thereof.
REFERENCES:
patent: 2938285 (1960-05-01), Lindeman
patent: 3424251 (1969-07-01), Bouley
patent: 3429380 (1969-02-01), Launder et al.
patent: 3477151 (1969-11-01), Zanella
patent: 3657828 (1972-04-01), Anderson
patent: 4019268 (1977-04-01), Waterman
patent: 4356645 (1982-11-01), Hine et al.
Eickholt E. H.
Valley Engineering Inc.
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