Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool
Patent
1991-12-06
1992-11-17
Reese, Randolph A.
Excavating
Snow or ice removing or grooming by portable device
Motorized rotary excavating tool
239123, E01H 509
Patent
active
051632390
ABSTRACT:
An apparatus for safely dislodging accumulated snow and ice from the discharge chute of a rotary snow thrower, which includes a rigid plate adapted to be inserted in and removed from the discharge chute. The rigid plate is movably connected to an element of the snow thrower and is operatively connected to a handle. Rotation of the handle by the operator will selectively move the rigid plate within the discharge chute. The rigid plate will apply an axial force to the accumulated snow and ice, thereby dislodging the snow and ice without the plate coming into contact with the impeller.
REFERENCES:
patent: 2709311 (1955-05-01), Cady
patent: 3264763 (1966-08-01), Arps et al.
patent: 3497263 (1970-02-01), Heth et al.
patent: 3921315 (1975-11-01), Tome
patent: 4068397 (1978-01-01), Bacon
patent: 4761901 (1988-08-01), Szafarz
patent: 4898784 (1991-02-01), Fairchild
patent: 4951703 (1990-08-01), Olmr
Reese Randolph A.
Warnick Spencer
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