Snow thrower

Details Snow thrower Snow thrower

1980-12-01

1982-04-20

Eickholt, E. H.

Excavating

Peat excavators

37 53, E01H 500

Patent

active

043251951

ABSTRACT:
A snow thrower having an impeller which has forward facing blades which extend a short distance inward from the periphery of the impeller is disclosed. The impeller blades are substantially rigid during operation, and the impeller cooperates with two side walls and a continuous rear wall which form the active impeller housing. The continuous rear wall has a first portion whose cross section is a circular arc and generally follows the periphery of the impeller mounted within it. The rear wall has a second portion which extends forward and upward to define a substantially planar snow guiding surface which, in normal operation, guides the snow forwardly and upwardly as it leaves the area of interaction with the impeller.

REFERENCES:
patent: 2706864 (1955-04-01), Kear
patent: 2714772 (1955-08-01), Erickson
patent: 2919504 (1960-01-01), Rubin
patent: 3074189 (1963-01-01), Phelps
patent: 3673773 (1972-07-01), Ferguson
patent: 4138831 (1979-02-01), Chase
patent: 4190972 (1980-03-01), Berner

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