Suction extraction system of an electric power tool, and...

Details Suction extraction system of an electric power tool, and... Suction extraction system of an electric power tool, and...

2006-07-03

2009-12-22

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S415100, C408S067000, C451S456000

Reexamination Certificate

active

07634835

ABSTRACT:
A suction extraction system of an electric power tool has a housing, a cup-shaped part of the housing, a gear-containing chamber, a suction extractor for receiving air contaminated with drilling material, and a suction conduit for extracting the air by suction, the suction extractor being connectable to the electric power tool via a connection element, wherein the suction conduit is located at least partially inside the housing of the electric power tool and is sealed from outside by a self-closing closure.

REFERENCES:
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patent: 2004/0020671 (2004-02-01), Lamprecht et al.
patent: 2004/0124721 (2004-07-01), Pfisterer et al.
patent: 2005/0281627 (2005-12-01), Britz
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patent: 1 459 842 (2004-09-01), None
patent: 2 309 660 (1997-08-01), None
patent: 2005/025792 (2005-03-01), None

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