Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool
Reexamination Certificate
2004-09-28
2008-12-23
Will, Thomas B (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Vehicle mount with obstacle responsive trip, or yieldable tool
C037S233000, C037S266000, C172S264000
Reexamination Certificate
active
07467485
ABSTRACT:
The present invention relates to snowplow (200) systems provided with a shovel (105) utilized generally for scraping snow (106). Articulated blades (20), resembling a hand (21) having a Y or a H shape, wherein wear knives (22) are inserted and locked in place between twin blades (23), by particular means of retention, permitting to increase the longevity of the blades during frequent passages over altered roads. The blades are provided also with a skate (129) system at an attack corner (139) preventing the breaking of the blade and allowing the blade to follow the irregularities of the road. The blades are installed lengthwise along the snowplow.
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Hamel Guy
Lachance Ghislain
Hamel Guy
Nguyen Mai T
Will Thomas B
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