초록 ▼

Disclosed herein is an air freshening device comprising an upright housing including, adjacent the bottom thereof, an air inlet and, adjacent the top thereof, an air discharge, a fan in said housing intermediate the air inlet and the air discharge means for causing air flow through the housing, a fi

Disclosed herein is an air freshening device comprising an upright housing including, adjacent the bottom thereof, an air inlet and, adjacent the top thereof, an air discharge, a fan in said housing intermediate the air inlet and the air discharge means for causing air flow through the housing, a filter, structure for removably supporting the filter in the housing intermediate the air inlet and the fan in the path of the totality of the air flow through the housing, a sleeve assembly within the housing for introducing into the air flow downstream of the filter a substance to be dispensed, which sleeve assembly is operable to releasably support the filter and includes relatively rotatable inner and outer sleeves, one of the sleeves defining an interior chamber, openings in the sleeves for affording valved access to the interior chamber in response to relative rotation between the sleeves, a coupling for releasably connecting the sleeve assembly and the housing, and a package of the substance to be dispensed located in the interior chamber.

대표청구항 ▼

An air freshening device comprising an upright housing including, adjacent the bottom thereof, air inlet means and, adjacent the top thereof, air discharge means, fan means in said housing intermediate said air inlet means and said air discharge means for causing air flow through said housing, filte

An air freshening device comprising an upright housing including, adjacent the bottom thereof, air inlet means and, adjacent the top thereof, air discharge means, fan means in said housing intermediate said air inlet means and said air discharge means for causing air flow through said housing, filter means in said housing intermediate said air inlet means and said fan means, means within said housing for introducing into the air flow downstream of said filter means a substance to be dispensed, said substance introducing means comprising means defining a substantially closed chamber including valve means operable between open and closed positions, a detachably connected member affording access to said chamber and movable to operate said valve means, means detachably connecting said means defining said chamber to said housing so as to removably support said filter means in said housing and so as to afford access to said filter means, and a package of the substance to be dispensed located in said chamber.