Leaf vacuum/chopper

Details Leaf vacuum/chopper Leaf vacuum/chopper

1997-03-10

1998-08-11

Husar, John M.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 56, 24110178, 241291, B02C 1806

Patent

active

057915687

ABSTRACT:
An apparatus for vacuuming up and chopping material such as leaves has a housing having a main chamber centered on an axis, an inlet port opening axially into the chamber, and an outlet port opening tangentially of the chamber. A rotor disk in the chamber centered on the axis has a hub at the axis and having an axially directed face provided with a predetermined number of radially and axially extending and angularly spaced vanes having outer edges. At least two and at most half of the vanes are provided on their outer edges with axially outwardly projecting chopper blades. A motor in the housing connected to the rotor disk at the hub rotates the disk about the axis and thereby draws the material in through the inlet, coarsely chops the material with the blades, and expels the coarsely chopped material with the vanes through the outlet port.

REFERENCES:
patent: 3968938 (1976-07-01), Ruhl et al.
patent: 5231827 (1993-08-01), Connolly et al.
patent: 5245726 (1993-09-01), Rote et al.
patent: 5294063 (1994-03-01), Bote
patent: 5586359 (1996-12-01), Iida
patent: 5588178 (1996-12-01), Liu
patent: 5604954 (1997-02-01), Webster et al.
patent: 5673457 (1997-10-01), Webster et al.

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