Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent
1989-11-03
1991-05-21
Corbin, David H.
Excavating
Snow or ice removing or grooming by portable device
Snow or ice surface groomer
37 98, 37277, 172701, E01C 1922
Patent
active
050163663
ABSTRACT:
A method and an apparatus for producing ridges on snow covered fields are described. A row of snow is severed from the snow cover and elevated to provide a trench in the snow cover. The row is then deflected to one side of the trench and deposited on the undisturbed snow covering beside the trench. This produces a wind barrier on the snow covered field, reducing wind erosion of the snow cover. In preferred embodiments, two spaced trenches are cut and the rows of snow removed from them are placed on the undisturbed ridge of snow between them. In the apparatus, the rows of snow are severed, elevated and deposited by a support plate carried on two runners. The support plate floats on the undisturbed center ridge of snow. The two rows are deflected to side by side positions for deposit on top of the undisturbed center ridge by a pair of adjustable deflector plates. The two runners are supported on adjustable skis so that depth control is possible.
REFERENCES:
patent: 115492 (1908-12-01), Olsen
patent: 325414 (1932-08-01), Overholt
patent: 333006 (1885-12-01), Greenlees
patent: 460761 (1891-10-01), Ruggles
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patent: 1331382 (1920-02-01), Rolland
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patent: 2315743 (1943-04-01), Sieg
Ade Stanley G.
Battison Adrian D.
Corbin David H.
DeLiguori Franco S.
Thrift Murray E.
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