Pick-up head for surface cleaning apparatus

Details Pick-up head for surface cleaning apparatus Pick-up head for surface cleaning apparatus

1981-05-04

1982-11-23

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

E01H 108

Patent

active

043598013

ABSTRACT:
A pick-up head for surface cleaning apparatus embodies a horizontal baffle extending between depending side walls of an elongated, downwardly opening chamber. Upper and lower horizontally extending air flow passageways are defined by the baffle within the pick-up head, with air in the lower passageway flowing over and contacting a surface to be cleaned. The upper passageway is restricted at its outlet to create a venturi effect as air passes therefrom. The venturi effect aids in drawing air carrying dirt and debris into the pick-up head.

REFERENCES:
patent: 3512206 (1970-05-01), Young
patent: 3662427 (1972-05-01), Hanna
patent: 4109341 (1978-08-01), Larsen et al.
patent: 4110864 (1978-09-01), Gunnarsson

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