Vacuum device

Details Vacuum device Vacuum device

1984-09-11

1986-02-11

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15327D, 15347, 15352, A47L 900

Patent

active

045691002

ABSTRACT:
A vacuum device comprised of a base portion and a top portion with an expandable means, connecting the base and top portions, for moving between a contracted position and an expanded position. The expandable means and the base and top portions define a chamber therebetween. A vacuum means is mounted to the top portion for sucking debris into the chamber. Support means, which is attached to the base and top portions and passes through the chamber, selectively maintains the expandable member in its expanded position.

REFERENCES:
patent: 2499183 (1950-02-01), Fairgrieve
patent: 2707527 (1955-03-01), Brace
patent: 4048693 (1977-09-01), Axelrod et al.

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