Articulation device for a vacuum cleaner

Details Articulation device for a vacuum cleaner Articulation device for a vacuum cleaner

1996-12-17

1998-08-18

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 153402, 180 66, 180 192, 280 4711, A47L 528

Patent

active

057943052

ABSTRACT:
A vacuum cleaner having an articulation mechanism which includes hemispherically shaped rearward wheels and spaced forward wheels, and a base member which pivotably couples the front and rear wheels so that the rearward wheels may be pivoted in a plane substantially vertical to the surface to be vacuumed such that only one of the rearward wheels in disposed on the surface when the rearward axis is pivoted from a horizontal. As the vacuum is pushed forward or pulled backward, the vacuum cleaner turns toward the side in which the rearward wheel is disposed on the surface to be vacuumed.

REFERENCES:
patent: 1318881 (1919-10-01), Kelley
patent: 2038697 (1936-04-01), Winslow
patent: 2530886 (1950-11-01), Maisel
patent: 2589679 (1952-03-01), Dennesen
patent: 3507511 (1970-04-01), Seidel
patent: 5584095 (1996-12-01), Redding et al.

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