Patent ID: 7922443

Claim:
A portable air blower which comprises: a blower fan for producing an air current; 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; wherein the covering unit comprises an air intake grille fitted to the casing and operable to permit air to pass therethrough into the air intake opening, but to block foreign matters, 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, wherein the air intake grille includes a base held in contact with the casing and an outermost area substantially opposite to the base, which outermost area is positioned spaced a distance from a plane of the base with a circumferential edge of the outermost area positioned substantially radially inwardly of an outer peripheral edge of the protective shroud and the outermost area of the air intake grille has a flat vertex wall and is held in coaxial relation with a center of the air intake opening and the protective shroud has a boss held in contact with the flat vertex wall of the air intake grille.