Vacuum cleaner suction tool

Details Vacuum cleaner suction tool Vacuum cleaner suction tool

1974-06-03

1976-02-10

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15354, A47L 900

Patent

active

039369056

ABSTRACT:
A suction tool for use in a vacuum cleaner including a nozzle defining a suction inlet including a mid-portion and an edge portion and structure for selective blocking of air flow through the mid-portion to provide selectively high suction force at the edge portion.

REFERENCES:
patent: 1782882 (1930-11-01), Rippey
patent: 2296462 (1946-09-01), Betts
patent: 2348861 (1944-05-01), Smellie
patent: 2953808 (1960-09-01), Carmack
patent: 3205528 (1965-09-01), Fromknecht
patent: 3253294 (1966-05-01), Waters
patent: 3262147 (1966-07-01), Waters et al.
patent: 3633239 (1972-01-01), Meyerhoefer
patent: 3683448 (1972-08-01), Lagerstrom et al.

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