Drill chuck

Details Drill chuck Drill chuck

2005-04-26

2005-04-26

Howell, Daniel W. (Department: 3722)

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

C279S157000

Reexamination Certificate

active

06883809

ABSTRACT:
A drill chuck has according to the invention a chuck body centered on and rotatable about an axis and having a rear end formed with an axially forwardly facing shoulder, a plurality of jaws radially displaceable in the body between a closely spaced tool-gripping position and a widely spaced tool-releasing position, and a tightening sleeve rotatable about the axis on the body and coupled to the jaws for displacing them between their positions on rotation of the sleeve on the body. An annular closure disk has an inner periphery formed with a radially deflectable part engaged axially rearwardly with the shoulder and locking the disk on the body.

REFERENCES:
patent: 5765839 (1998-06-01), Rohm
patent: 6341783 (2002-01-01), Rohm
patent: 6659474 (2003-12-01), Sakamaki et al.
patent: 19907331 (2000-08-01), None

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