Snow removal system with adjustable snow impeller gate

Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool

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37259, E01H 500

Patent

active

046793380

ABSTRACT:
A snowblower with a power driven intake and discharge fan in a housing has at the front an open face exposing the fan and a transition housing detachably attachable over the open face. The transition housing has a slidable plate or fan cover that rises and can be positioned to leave substantially a snow-height opening at the lower front for most efficient intake of snow by the fan. The transition housing has a concave, radiused lower margin for scooping snow into the circular opening.

REFERENCES:
patent: 2151491 (1939-03-01), Washburn
patent: 2605561 (1952-08-01), Maynard et al.
patent: 2977694 (1961-04-01), Higby
patent: 2993321 (1961-07-01), Hester
patent: 3131491 (1964-05-01), Durrschmidt
patent: 3562932 (1971-02-01), Rautio
patent: 4150501 (1979-04-01), Hayashi

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