AC/DC portable wet/dry vacuum having improved portability and convenience

a portable, wet/dry vacuum technology, applied in the field of vacuum appliances, can solve the problems of placing significant cost pressure on the commercially available wet/dry vacuum, the relatively long time that is necessary, and the known wet/dry vacuum
US20050273969A1Inactive Publication Date: 2005-12-15BLACK & DECKER INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
BLACK & DECKER INC
Publication Date
2005-12-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

A wet / dry utility vacuum with a canister, a powerhead assembly with a fan, a shut-off device that prevents the fan from drawing liquids into the fan inlet when a volume of the liquid in the canister exceeds a predetermined volume. The powerhead assembly includes a controller that permits the utility vacuum to be operated in a desired power mode so that the user may employ either an AC power source or a DC power source, such as a battery pack, for example. In some applications, the battery pack may be interchangeable with the battery packs of various cordless tools, including drill / drivers and saws. A tool set and a method for operating a battery-powered tool set are also provided.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] The present application is a continuation-in-part of application Ser. No. 10 / 640,267, filed Aug. 13, 2003, now pending, which claims the benefit of U.S. Provisional Application No. 60 / 425,371, filed Nov. 12, 2002.FIELD OF THE INVENTION

[0002] The present invention generally relates to vacuum appliances and more particularly to an AC / DC powered hand-portable wet / dry vacuum having improved convenience and performance. BACKGROUND OF THE INVENTION

[0003] Vacuum appliances that are capable of picking up both wet and dry materials are commonly known as wet / dry vacuums. Such wet / dry vacuums are well known in the art and are commercially available in a variety of sizes and configurations. Recent consumer trends have placed significant cost pressures the commercially available wet / dry vacuums and as such, many manufacturers are presently producing low-end, relatively small capacity low-cost units and / or high-end, relatively high capacity high-co...

Claims

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