A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/61.1
A47L 9/12 (2006.01) A47L 7/00 (2006.01) A47L 9/10 (2006.01) A47L 9/18 (2006.01)
Patent
CA 2005799
For installing a dry material paper filter on the filter cage of an electric vacuum cleaner, a disk of porous paper filtering material or of cloth type fabric is laid over the panel enclosing the bottom of the filter cage and a ring is pressed up over the paper or cloth filter and over the panel. As the ring is drawn up over the filter cage, it folds and presses the paper or cloth filter around the filter cage. At the top of the filter cage, the ring secures the filter to the cage. An additional filtering sleeve may be disposed around the filter cage before the filter is installed over the cage and over the sleeve with the attachment ring. The sleeve may be of foam or other wet material filtering material. The filter installed with the ring is of dry filtering material, like paper or cloth. A marking or disk at the center of the fil- ter helps a user place the filter over the filter cage before the ring is used to fold the filter into place.
Berfield Robert C.
Marks & Clerk
Shop-Vac Corporation
LandOfFree
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