Surface cleaning appliance

Details Surface cleaning appliance Surface cleaning appliance

1997-06-13

1998-07-28

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15321, 15385, A47L 530

Patent

active

057847541

ABSTRACT:
A drive system for a surface cleaning appliance having a pair of rotatable head structures employs a worm gear positioned between the head structure in engagement with two spur gears on, respectively, the two head structures.

REFERENCES:
patent: 4182001 (1980-01-01), Krause
patent: 4692959 (1987-09-01), Monson
patent: 5463791 (1995-11-01), Roden

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