Excavating – Processes
Patent
1979-07-23
1981-03-03
Eickholt, E. H.
Excavating
Processes
37 53, 152579, 294 54, E01H 502
Patent
active
042532574
ABSTRACT:
A snow-removal device includes a frame having a handle at one end and a blade at the other. The frame rests on the ground at the blade end, and a flexible sheet extends from the blade end back toward the handle end. The sheet is attached at either end but is free to bend lengthwise so that the length of the sheet resting on the ground varies as the handle is lifted. This arrangement permits the device to be emptied with a minimum of strain on the user.
REFERENCES:
patent: 398330 (1889-02-01), Jacobs
patent: 860746 (1907-07-01), Hoffman
patent: 2742719 (1956-04-01), Rabideau
patent: 3007263 (1961-11-01), Lair
patent: 3154336 (1964-10-01), Nelson
patent: 3155413 (1964-11-01), Holombo
patent: 3475838 (1969-11-01), Hagen et al.
patent: 3754785 (1973-08-01), Anderson
patent: 3998486 (1976-12-01), Mittelstadt
patent: 4161073 (1979-07-01), Oakes
patent: 4185403 (1980-01-01), Hardgrove
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