Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool
Reexamination Certificate
2007-12-11
2007-12-11
Beach, Thomas A (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Vehicle mount with obstacle responsive trip, or yieldable tool
C037S258000, C037S213000, C037S249000
Reexamination Certificate
active
10898825
ABSTRACT:
A snow throwing machine including a housing, an engine, an impeller and an auger for collecting snow and directing it to the impeller. The auger including an auger shaft disposed transversely in the housing and drivable by the engine, and a plurality of flytes mounted on the auger shaft. Each flyte includes a hub and a plurality of fins and is mounted on the auger shaft with a shear pin extending through the hub and auger shaft. The flytes are configured such that an outer peripheral edge of adjacent flytes forms a helix around the auger shaft directing snow toward the impeller.
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Kettering Travis
Pullum Roy G.
Beach Thomas A
MTD Products Inc
Wegman Hessler & Vanderburg
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