Chuck

Details Chuck Chuck

2007-11-20

2007-11-20

Carter, Monica (Department: 3722)

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

C279S060000, C279S061000, C279S125000, C279S140000, C279S157000, C279S902000

Reexamination Certificate

active

10480358

ABSTRACT:
The present invention relates to a self-tightened reverse locking chuck, comprising: a body member, a nut, jaws, a bearing, a drive sleeve, a front sleeve, an annular drive member, a movable ratchet wheel, a reverse locking ratchet wheel, a detent lock ring, a control ring and a control ring outer sleeve. The drive sleeve is positioned in a central hole in the rear end of the body member via a spring ring, drive keys on the drive sleeve can drive the annular drive member and the detent lock ring to rotate, in the chucked state, locked by the control ring. The chuck according to the present invention has the function of self-tightening, preventing the clamping force from being excessive, and of performing reverse rotation operation. The chuck is easy to assembly and disassembly, a tool shank clamped by the chuck will not be loosened due to vibration or shock, and the chuck is adapted for use in tools with various type of shank.

REFERENCES:
patent: 5031925 (1991-07-01), Tatsu et al.
patent: 5741016 (1998-04-01), Barton et al.
patent: 5816582 (1998-10-01), Steadings et al.
patent: 5829761 (1998-11-01), Rohm
patent: 5957469 (1999-09-01), Miles et al.
patent: 6722668 (2004-04-01), Huggins et al.
US 6,406,035, 06/2002, Grogan et al. (withdrawn)

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