Blade for a snow plough
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United States of America Patent
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-
Oct 6, 2009
Grant Date -
Jul 10, 2008
app pub date -
Oct 11, 2005
filing date -
Oct 11, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blade (3) meant to work in the curved form of a snow plough and attached from its lower edge to a rigid beam, the upper edge of which is supported by means of upper beam (12) or similar, and said blade is of flexible material, as plastic sheet. The blade is from its upper beam (12), essentially from its middle, supported by suspension means (9), which due to the ploughing load allows upper beam (12) and blade (3) upper edge to tilt and blade (3) to change the radius of curvature at least from the suspension spot on the blade area toward the blade point.
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