Patent ID: 6637756
Filing Date: 2003-10-28
Classification: B23B,Y10S,Y10T

Abstract:
A power tool chuck for gripping a work tool comprising:a front sleeve and a rear sleeve having a chuck axis; said front and rear sleeves being mounted for relative rotational movement; a plurality of non-threaded chuck jaws for gripping the work tool; a support body carried within the sleeve having a plurality of jaw bores for slidably receiving said chuck jaws; said support body including a shaft having a remote end for mounting to a power tool drive member; a reciprocating traveler carried in said sleeve; an operator carried within said front and rear sleeves for reciprocating said traveler along said chuck axis; said chuck jaws having nose ends with bites for gripping the work tool, and said chuck jaws having opposite remote ends carried by said traveler; and said operator being affixed with said rear sleeve for rotation so that rotation of said rear sleeve relative to said front sleeve in a first direction moves said traveler causing said nose ends of said chuck jaws to open, and rotation of said rear sleeve in a second direction moves said traveler causing said nose ends to grip said tool.