Vacuum cleaner having a blower facility structure

Details Vacuum cleaner having a blower facility structure Vacuum cleaner having a blower facility structure

1987-08-31

1989-03-07

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15327E, 15330, A47L 514

Patent

active

048093947

ABSTRACT:
A vacuum cleaner with panel portion structure which includes an improved panel main body and a blower facility valve body. The panel main body has an exhaust air port and an opening for a blower facility. The blower facility valve body is provided at a lower side of the panel main body and is rotatably supported so as to normally shut the blower facility opening. A first exhaust air passage is formed between the intermediate exhaust air port to the main body exhaust air port. A second exhaust air passage is formed between the intermediate exhaust air port to the blower facility opening. The first exhaust air passage and the second exhaust air passage are changed over by the blower facility valve body. The improved blower facility structure permits the development of a series of vacuum cleaners with and without a blower facility.

REFERENCES:
patent: 2174595 (1939-10-01), Pierce
patent: 3334370 (1967-08-01), Boyd
patent: 3731465 (1973-05-01), Ohira et al.
patent: 3816983 (1974-06-01), Sawada et al.
patent: 4225999 (1980-10-01), Martinec et al.
patent: 4299007 (1981-11-01), Hug
patent: 4586214 (1986-05-01), Berfield
patent: 4592764 (1986-06-01), Ikezaki et al.
patent: 4705547 (1987-11-01), Rotola et al.

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