Adjustable nozzle for chipper-shredder vacuum

Details Adjustable nozzle for chipper-shredder vacuum Adjustable nozzle for chipper-shredder vacuum

1996-09-05

1998-09-01

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

154221, 24110178, A47L 902

Patent

active

057993653

ABSTRACT:
An adjustable nozzle for use with a chipper-shredder vacuum for vacuuming debris from an outdoor surface is disclosed. The nozzle has an inlet for directing debris into the nozzle. The inlet has a first side, a middle section, a second side, and a non-inlet area. The first side has a first nozzle inlet, the middle section has a middle nozzle inlet, the second side has a second nozzle inlet. The cross-sectional areas of the first and second nozzle inlets are greater than the cross-sectional area of the middle nozzle inlet to equalize vacuum force throughout the nozzle. The nozzle further includes a nozzle extension that extends below the nozzle and an adjustment apparatus for adjusting the height of the nozzle extension from the ground to conform the chipper-shredder vacuum to the terrain. The nozzle extension may be raised for bumpy or thick terrain or lowered for a flat terrain.

REFERENCES:
patent: 3089178 (1963-05-01), Sherman
patent: 3112511 (1963-12-01), Lankenau
patent: 3491399 (1970-01-01), Dolan et al.
patent: 3862469 (1975-01-01), Burgoon
patent: 5231827 (1993-08-01), Connolly et al.

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