Snowblower and scarifying auger assembly therefor

Details Snowblower and scarifying auger assembly therefor Snowblower and scarifying auger assembly therefor

1983-06-13

1984-10-23

Burr, Edgar S.

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

403 2, E01H 509

Patent

active

044779895

ABSTRACT:
A snowblower and a scarifying auger assembly for it which are characterized by a helicoid auger provided with scarifying teeth serially secured along its outer helical edge and each pivotally restrained by a shear bolt to scarify and easily plow and blow away the packed snow and for pivotal retraction of any tooth upon impact with an obstacle. The helicoid auger is thus relatively of essentially smaller diameter and protected by the scarifying teeth against impact of obstacles against it and against the ensuing expensive repair. Snow-throwing scoops are also arranged to be attached in different numbers and positions around the rotation axis of the helicoid auger.

REFERENCES:
patent: 1906718 (1933-05-01), Ritchie
patent: 2200623 (1940-05-01), James
patent: 2482213 (1949-09-01), Ritchie
patent: 3078603 (1963-02-01), Ertsgaard et al.
patent: 3349506 (1967-10-01), Rubin
patent: 3395466 (1968-08-01), Klapprodt
patent: 3464128 (1969-09-01), Krickovich

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