TODAY’S PATENT – ASH VACUUM
The Ash Vacuum was invented by Michael L. Loveless (Price, UT), Colleen G. Loveless (Price, UT) on the 9th of November, 1993, bearing patent number US5259087A.
The present invention relates to vacuum cleaners for removing burned materials, including even still hot materials, out of a fireplace or stove, and particularly to flame retardant filter systems for such vacuum cleaners. The principal object of the present invention in an ash vacuum to provide a canister type vacuum cleaner that is useful for safely removing ashes and hot and even burning coals from a wood burning fireplace or stove. Another object of the present invention is to provide a canister type vacuum cleaner with a double filter system that includes an open filter frame arranged there between, with a shaker rod connecting to which frame and extending out of the canister for manual movement to shake collected materials off from both the inner and outer filters. One more object of the present invention is to provide a primary or outer bag type filter that is formed from a flame retardant material that allows hot and even burning coals to be pulled into the cleaner without presenting a fire hazard, which filter prohibits passage of materials to the inner or secondary filter and vacuum source inlet.