Patent ID: 6572310
Filing Date: 2003-06-03
Classification: B23B,B23Q,Y10T

Abstract:
A chuck for use with a powered driver having a rotatable drive shaft and a cooling fan, said chuck comprising:a generally cylindrical body having a nose section and a tail section, said tail section being configured to rotate with the drive shaft and said nose section having an axial bore formed therein and a plurality of jaw passageways formed therethrough and intersecting said axial bore, wherein said body defines an air passageway that is angularly offset from said jaw passageways, with respect to a plane perpendicular to the axis of said body, and that extends through said body between said axial bore and an area about said tail section; a plurality of jaws movably disposed in said jaw passageways; and a generally cylindrical first sleeve disposed about said body, wherein said first sleeve substantially encloses said area and is configured to extend to a housing of the powered driver so that air from the fan is forced into said area, through said air passageway and into said axial bore.