Vacuum cleaner filter shaker

Details Vacuum cleaner filter shaker Vacuum cleaner filter shaker

1996-03-18

1997-10-28

Woo, Jay H.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55304, 55293, 95282, B01D 45018, B01D 4604

Patent

active

056813635

ABSTRACT:
A filter shaking arrangement includes a resilient frame disposed around an expandable filter, both of which are expanded by a fan induced air flow. The resilient frame returns resiliently to its original form upon the cessation of this air flow. This contraction of the resilient frame tends to dislodge dirt adhering to the filter as it also is forced back to its original shape.

REFERENCES:
patent: 994462 (1911-06-01), Harrold
patent: 1082356 (1913-12-01), Newkirk
patent: 1124574 (1915-01-01), Zimmer
patent: 1176721 (1916-03-01), Zimmer
patent: 2443162 (1948-06-01), Hallock
patent: 2594417 (1952-12-01), Gerber
patent: 2951553 (1960-09-01), Kirby
patent: 3568413 (1971-03-01), Jerabek
patent: 3853517 (1974-12-01), Mitchell
patent: 4405346 (1983-09-01), Tschudy et al.
patent: 5322534 (1994-06-01), Kaiser
McGraw-Hill Encyclopedia of Science and Technology, "Spring (machines)", vol. 17, 7th Edition, pp. 283-284 1992.
Encyclopedia Americana, "Umbrella", vol. 27, p. 353g 1978.

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