Snowblower

Details Snowblower Snowblower

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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patent: 3755931 (1973-09-01), Gisler
patent: 3774321 (1973-11-01), David

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