Suction device/blower

Details Suction device/blower Suction device/blower

2007-10-09

2007-10-09

Chiesa, Richard L. (Department: 1724)

Gas separation

With electrical grounding means

C015S349000, C015S352000, C055S374000, C055S382000, C055S473000, C055SDIG020, C055SDIG045

Reexamination Certificate

active

11069709

ABSTRACT:
A manually-guided, portable suction device/blower is provided, and includes a blower unit having a motor for driving the blower unit, a blower tube that extends from the blower unit, a collection bag, wherein during suction operation of the suction device/blower, the blower tube opens out into the collection bag, and a potential-equalizing device disposed within the collection bag, wherein the potential-equalizing device is electrically conductively connected with an electrical ground connection of the suction device/blower.

REFERENCES:
patent: 2684126 (1954-07-01), Doyle, Sr.
patent: 3721071 (1973-03-01), Mueller et al.
patent: 3986530 (1976-10-01), Maekawa
patent: 4290165 (1981-09-01), Hiramatsu et al.
patent: 4322232 (1982-03-01), Beane
patent: 4531957 (1985-07-01), Malik
patent: 5005470 (1991-04-01), Denker
patent: 5150499 (1992-09-01), Berfield
patent: 5527569 (1996-06-01), Hobson et al.
patent: 6552891 (2003-04-01), Prach
patent: WO93/00035 (1993-01-01), None

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