Fluid sprinkling – spraying – and diffusing – Slow diffusers – With support for porous or apertured encasing means
Reexamination Certificate
2006-08-22
2006-08-22
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Slow diffusers
With support for porous or apertured encasing means
C239S034000, C239S058000, C239S289000, C015S246300, C422S123000
Reexamination Certificate
active
07093773
ABSTRACT:
An improved fragrance dispenser, domestic appliance, such as a vacuum cleaner, including such a fragrance dispenser, and cartridge for such a fragrance dispenser is provided in which the dispenser includes a housing portion through which an air discharge passage interconnecting an upstream side of the housing portion and a downstream side of the housing portion extends, and a cartridge carrying a fragrant substance and having vents for allowing air to pass for entraining fragrance from said cartridge, wherein the cartridge is removably mounted and rotatably adjustable about an axis of rotation between at least a first position and a second position, at least a portion of at least one of the vents being obstructed by a housing portion if the cartridge is in the first position and being open if the cartridge is in the second position. The cartridge is removable in a direction transverse to the axis of rotation, and the dispenser includes means adapted for engaging and releasing the housing portion in a direction transverse to the axis of rotation. The cartridge contains a granular fragrance carrier substrate.
REFERENCES:
patent: 4554698 (1985-11-01), Rennecker et al.
patent: 5152397 (1992-10-01), Mayled
patent: 5314669 (1994-05-01), Hamilton
patent: 5511278 (1996-04-01), Shorthill
patent: 5873529 (1999-02-01), Johnson
patent: 6481639 (2002-11-01), Pozzo
Boeckmann Jason
Koninklijke Philips Electronics , N.V.
Scherbel David A.
Stroud Adam L.
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