Manually tightened drill chuck

Details Manually tightened drill chuck Manually tightened drill chuck

2006-02-21

2006-02-21

Ashley, Boyer D. (Department: 3722)

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

C279S902000

Reexamination Certificate

active

07000926

ABSTRACT:
A manually tightened drill chuck includes a drill body, a nut, a front sleeve and a rear sleeve. The front sleeve is provided on the front end of the drill body with the nut being provided in the middle. A decorative sleeve is mounted on the front end of the drill body with an external peripheral surface of the nut being housed in an inner sleeve by shrink fit. At least one key groove is located in the inner wall of the front sleeve. A key cooperates with the key groove. At least one locating member is provided in the lower end of the key that includes a hole. The front sleeve further defines at least one protrusion that corresponds to the position of the hole for snapping into the hole. Accordingly, the stability of the front sleeve and the rear sleeve without radial vibration is achieved.

REFERENCES:
patent: 5476273 (1995-12-01), Shadeck et al.
patent: 5501473 (1996-03-01), Barton et al.
patent: 5716057 (1998-02-01), Wright et al.
patent: 5741016 (1998-04-01), Barton et al.
patent: 5816582 (1998-10-01), Steadings et al.
patent: 5913524 (1999-06-01), Barton
patent: 5957469 (1999-09-01), Miles et al.
patent: 5984320 (1999-11-01), Nakamura
patent: 6073939 (2000-06-01), Steadings et al.
patent: 6102411 (2000-08-01), Wilson
patent: 6168170 (2001-01-01), Miles et al.
patent: 6616147 (2003-09-01), Wilson

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