Vacuum cleaner with an airtight flexible bag

Details Vacuum cleaner with an airtight flexible bag Vacuum cleaner with an airtight flexible bag

1988-06-21

1989-03-14

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15352, 15353, 55429, A47L 914

Patent

active

048114537

ABSTRACT:
The vacuum cleaner of the invention comprises a sealed enclosure having a suction orifice and an exhaust orifice, a dirt bag (19) disposed inside the enclosure and having an opening facing the suction orifice, and a suction device (8) disposed facing a closed end of the dirt bag opposite from the suction orifice. The vacuum cleaner is characterized in that the dirt bag is an airtight bag and in that the bag support includes an air-permeable inside surface which is in communication with an intermediate zone of at least one suction duct (11) having one end opening out in the vicinity of the suction device and having an opposite end opening out in the vicinity of the suction orifice.

REFERENCES:
patent: 3034273 (1962-05-01), Wallace
patent: 3653190 (1972-04-01), Lee et al.
patent: 3755992 (1973-09-01), Ylinen
patent: 3961921 (1976-06-01), Heiman et al.
patent: 4523936 (1985-06-01), Disanza

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