Motor driven wood working tool with vacuum feature

Cutting – With product handling means – By fluid current

Reexamination Certificate

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C083S788000, C144S252200

Reexamination Certificate

active

06948412

ABSTRACT:
A motor driven power tool is provided having an internal dust collection system. A single electric motor drives the working member such as a saw or sander and simultaneously drives an air pump which acts as a collector vacuum for debris created when the power tool is in use. A dust collector shroud surrounds a portion of the cutting member and forms an outlet connected to the air pump inlet.

REFERENCES:
patent: 1218301 (1917-03-01), Nesbitt
patent: 1496035 (1924-06-01), Thomson
patent: 1789569 (1931-01-01), Tannewitz
patent: 3669163 (1972-06-01), Crane
patent: 4491047 (1985-01-01), Butkiewicz et al.
patent: 6679145 (2004-01-01), Lee
patent: 6837134 (2005-01-01), Chin-Chin

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