Patent ID: 6712368
Filing Date: 2004-03-30
Classification: B25F,Y10T

Abstract:
A rotary tool with a quick release attachment tool, wherein the rotary tool comprises:a housing which encloses a motor, said housing having a central axis, a non-operational end portion and an operational end portion; a non-rotating generally cylindrical nose portion formed at said operational end portion, said nose portion having a front end face and an outer annular groove disposed generally perpendicularly of said axis, said nose portion having a non-circular element at the outer end thereof on said front face, said non-circular element being parallel with said central axis; and, a rotatable shaft connected to said motor and being located along said central axis; said attachment tool comprises: a central cavity and an attachment end portion and a working end portion; a non-circular mating element formed in said central cavity that matingly engages said non-circular element; and, a biased connection element provided on said attachment tool, and engaging said annular groove when said attachment tool is fitted onto said rotary tool.