Grid element for lid of a cannister type vacuum cleaner

Details Grid element for lid of a cannister type vacuum cleaner Grid element for lid of a cannister type vacuum cleaner

1985-09-20

1986-11-18

Spitzer, Robert

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55309, 55471, 55472, B01D 4600

Patent

active

046233660

ABSTRACT:
A wet/dry cannister-type vacuum cleaner is provided with a plastic grid unit that includes a spherical cup-like main section, an upper annular mounting lip, a short tubular support disposed within the main section with the lower end of the support surrounding a central inlet opening in the latter, and a grid extending across the support at the top thereof and disposed below the mounting lip. The lower end of the support constitutes a seat for a floating ball valve element. An axially extending slot in the support provides a drain for liquid that may be accumulated by the main section at the interior thereof.

REFERENCES:
patent: 1469790 (1923-10-01), Hysko
patent: 2388481 (1945-11-01), Green
patent: 2649927 (1953-08-01), Ortega
patent: 3045412 (1962-07-01), Bowman
patent: 3220638 (1965-11-01), Petersen
patent: 3290865 (1966-12-01), Serou et al.
patent: 3296777 (1967-01-01), Jackson et al.
patent: 3909219 (1975-09-01), Fromknecht
patent: 4057364 (1977-11-01), Bratschitsch
patent: 4185974 (1980-01-01), Hiester
patent: 4508550 (1985-04-01), Berfield et al.

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