Manual snow plough

Excavating – Snow or ice removing or grooming by portable device – Manually powered

Reexamination Certificate

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Reexamination Certificate

active

06735887

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates, in general, to snow shovels, and, in particular, to a snow shovel mounted on wheels.
Description of the Prior Art
In the prior art various types of snow shovels have been proposed. For example, U.S. Pat. No. 328,633 to Angell discloses a snow removing machine having a scoop at one end, a handle and wheels and a mechanism for lifting and lowering the scoop.
U.S. Pat. No. 1,683,732 to Selin discloses a snow shovel having a scoop at one end, a handle and wheels and the wheels are spaced apart less than the width of the scoop.
U.S. Pat. No. 2,470,217 to McLoughlin discloses a snow shovel having a scoop at one end, a handle and wheels and the wheels are spaced apart less than the width of the scoop.
U.S. Pat. No. 4,910,893 to Asay discloses a manually operated snow plough having a scoop at one end, a handle and wheels and the wheels are spaced apart less than the width of the scoop and a mechanism for adjusting the angle of the scoop.
SUMMARY OF THE INVENTION
The present invention is directed to a snow plough which has a handle on one end and a large snow scoop on the other. The plough is supported on a frame which is mounted on large wheels.
It is an object of the present invention to provide a new and improved manual operated snow plough.
It is an object of the present invention to provide a new and improved manual operated snow plough that is mounted on large wheels.
It is an object of the present invention to provide a new and improved manual operated snow plough that is inexpensive to produce and is equipped to handle large amounts of snow without straining the user.


REFERENCES:
patent: 328633 (1885-10-01), Angell
patent: 1683732 (1928-09-01), Selin
patent: 2470217 (1949-05-01), McLoughlin
patent: 2508612 (1950-05-01), Kimbler
patent: 3007263 (1961-11-01), Lair
patent: 3107446 (1963-10-01), Messinger
patent: 3475838 (1969-11-01), Hagen et al.
patent: 3594932 (1971-07-01), Eriksson
patent: 4179828 (1979-12-01), Brunty
patent: 4910893 (1990-03-01), Asay
patent: 5511327 (1996-04-01), Jurkowski et al.
patent: 5669163 (1997-09-01), Winter

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