Blade for a snow plough

Details Blade for a snow plough Blade for a snow plough

2005-10-11

2009-10-06

Beach, Thomas A (Department: 3671)

Excavating

Snow or ice removing or grooming by portable device

Scraper blade

C037S279000, C037S281000, C037S283000, C037S233000, C172S823000

Reexamination Certificate

active

07596892

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.

REFERENCES:
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patent: 6435580 (2002-08-01), Lock
patent: 6564479 (2003-05-01), Vickers
patent: 6941685 (2005-09-01), Goy et al.

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