Portable air blower

Details Portable air blower Portable air blower

2011-04-12

2011-04-12

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

With separating means or guard for solid matter in working...

C415S126000, C416S24700A, C417S423900

Reexamination Certificate

active

07922443

ABSTRACT:
A portable air blower includes a blower fan, a drive unit for driving the blower fan, a casing for covering at least the blower fan and having a side wall with an air intake opening defined therein, and a covering unit for covering the air intake opening. The covering includes an air intake grille fitted to the casing and operable to permit an air to pass therethrough into the air intake opening, but to block foreign matters off therefrom, and a protective shroud held in overlapping relation with the air intake grille for covering the air intake grille on one side of the air intake grille opposite to the air intake opening. The air intake grille has an outermost area having a circumferential edge, which is positioned substantially radially inwardly of an outer peripheral edge of the protective shroud.

REFERENCES:
patent: 2005408 (1935-06-01), Allin
patent: 5233946 (1993-08-01), Yamami
patent: 6059541 (2000-05-01), Beckey et al.
patent: 6629818 (2003-10-01), Svoboda
patent: 7300484 (2007-11-01), Scully et al.
patent: 7476091 (2009-01-01), Saitou et al.

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