Patent ID: 7455088

Claim:
A hand router ( 10 ), comprising: a housing ( 12 ); a tool ( 22 ) attached to the housing in a rotary drivable fashion, said tool being parallel to a longitudinal axis of the housing ( 12 ), wherein the tool is a drill bit or router bit operable for cutting or routing with means for suction air flow; a drive disposed within the housing, wherein a suction air-drivable turbine with a radial or Pelton turbine wheel ( 32 ) is used as the drive within the housing ( 12 ), wherein said turbine is provided with means for calming air flowing in said turbine wheel ( 32 ) or flowing out of said turbine wheel ( 32 ), whereby the means for calming air are comprised of an inlet and an outlet grating ( 30 , 26 ), the housing ( 12 ) being comprised of a number of tubular parts ( 13 , 14 , 15 ); flange means for connecting said tubular parts with one another, and wherein one of the tubular parts ( 14 ) in a lower region of the housing ( 12 ) encompasses the tool ( 22 ) concentrically, wherein the outlet grating ( 26 ) has air-conveying elements ( 28 ) configured as curved vanes, and wherein the inlet grating ( 30 ) and the outlet grating ( 26 ) each are incorporated into a motor housing ( 13 ) in a manner that reinforces the housing ( 12 ).