Patent ID: 8727681

Claim:
A chuck for use with a manual or powered driver having a housing and a rotatable drive shaft extending therefrom, said chuck comprising: a. a generally cylindrical body having a nose section and a tail section, said tail section having a rear flange defining an annular shoulder and configured to mate with said drive shaft, and said nose section having an axial bore formed therein and a plurality of angularly disposed passageways intersecting said axial bore; b. an O-ring disposed in said annular shoulder of said rear flange; c. a plurality of jaws, each of said plurality of jaws slidably positioned in a respective one of said angularly disposed passageways, each of said jaws having a jaw face formed on one side thereof and threads formed on the opposite side thereof; d. a nut rotatably mounted on said body so that rotation of said nut moves said jaws axially within said passageways; e. a first sleeve; f. a second sleeve, and g. a biasing mechanism, wherein each of said first sleeve and said second sleeve defines a gripping surface thereon, wherein, in a first state, said first sleeve is rotationally held to said body and said second sleeve is rotationally held to said nut and is rotatable with respect to said housing and with respect to said body, wherein one of said first sleeve and said second sleeve is axially reciprocal between said first state and a second state in which said one of said first sleeve and said second sleeve is rotationally held to said nut and said housing and is rotatable with respect to said body, said one of said first sleeve and said second sleeve defines a first shoulder and a second shoulder, axial motion of said one of said first sleeve and said second sleeve being limited by abutment of said O-ring with said first and said second shoulders, and said biasing mechanism biasing said one of said first sleeve and said second sleeve to said first state.