Cleaning tool head with multi-filament seal

Details Cleaning tool head with multi-filament seal Cleaning tool head with multi-filament seal

1997-10-16

2000-05-02

Redding, David A.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15322, A47L 700

Patent

active

060556994

ABSTRACT:
An adapter plate, removably mounted with respect to the cleaning tool head of a continuous flow recycling cleaning device, supports a fluid flow barrier. The barrier is formed of multiple resilient filaments parallel to one another and packed closely together to resist air passage through the barrier. The filaments are supported in cantilevered fashion, and are individually and locally deformable as the tool head is placed in an operating position near a floor or other surface to be cleaned. The barrier thus conforms to the topography of the surface being cleaned, to achieve a better seal. The barrier is used in combination with a more porous layer, e.g., a carpet tile or a less tightly packed filament arrangement, to channel air from outside of the tool head into an intake compartment while blocking passage to an exhaust compartment inside the tool head.

REFERENCES:
patent: 4596061 (1986-06-01), Henning
patent: 4720889 (1988-01-01), Grave
patent: 4879784 (1989-11-01), Shero
patent: 5125126 (1992-06-01), Bonnant

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