Yard care machine vacuum head

Details Yard care machine vacuum head Yard care machine vacuum head

1996-06-03

1998-08-18

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

153402, 154221, A47L 902

Patent

active

057943060

ABSTRACT:
An asymmetric opening at the bottom of a lawn and garden vacuum device equalizing the suction across the lateral width thereof.

REFERENCES:
patent: 3089178 (1963-05-01), Sherman
patent: 3112511 (1963-12-01), Lankenau
patent: 3491339 (1970-01-01), Dolan et al.
patent: 3862469 (1975-01-01), Burgoon
patent: 5231827 (1993-08-01), Connolly et al.

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