Edge and spot cleaning system for vacuum cleaners

Details Edge and spot cleaning system for vacuum cleaners Edge and spot cleaning system for vacuum cleaners

1998-06-30

2000-03-21

Moore, Chris K.

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

15331, 15319, 15416, A47L 902, B08B 504

Patent

active

060398175

ABSTRACT:
A vacuum cleaner (10) for cleaning edges and spots comprising a cleaning head (12) including a motor and fan assembly (14), a valve assembly (31), and a two-duct system (16) that includes a central duct (22) leading to a main inlet (29) and a pair of side ducts (24, 26) leading to a pair of edge cleaning fittings (28). Valve assembly (31) includes a valve mechanism that is selectively positionable to direct suction from one of the central duct and the side ducts, in order to perform regular vacuuming or edge or spot cleaning.

REFERENCES:
patent: 1782882 (1930-11-01), Rippey
patent: 2348861 (1944-05-01), Smellie
patent: 3936903 (1976-02-01), Johnson
patent: 3936905 (1976-02-01), Stewart et al.
patent: 3942216 (1976-03-01), Minton
patent: 3942219 (1976-03-01), Johnson
patent: 4023234 (1977-05-01), Martinec et al.
patent: 4198727 (1980-04-01), Farmer
patent: 5345650 (1994-09-01), Downham et al.
patent: 5551120 (1996-09-01), Cipolla et al.

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