Patent ID: 7000926

Claim:
A manually tightened drill chuck, said drill chuck comprising: a drill body; a nut; a front sleeve and a rear sleeve, said front sleeve being provided on a front end of said drill body, said nut being provided in a middle of said drill body; a decorative sleeve being mounted on the front end of said drill body; wherein an external peripheral surface of said nut is housed in an inner sleeve by shrink fit with at least one key groove being located in an inner wall of said front sleeve, and a key cooperating with said key groove being defined in a lower end of an inner sleeve, said key being located inside said key groove; and at least one locating member being provided in a lower end of said key, said locating member includes a hole, and said front sleeve defines further at least one projection corresponding to the position of the hole wherein the projection may be snapped in said hole.