Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool
Patent
1985-07-22
1986-10-28
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Motorized rotary excavating tool
E01H 509
Patent
active
046190619
ABSTRACT:
A snowblower includes an auger having individual flat spring steel blades mounted on plates carried by a shaft. The blades are connected to the plates by a pivot pin and a shear pin so that on encountering a solid object the shear pin allows the blade to pivot while remaining attached to the shaft.
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Ade Stanley G.
Battison Adrian D.
Eickholt E. H.
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