Chuck

Details Chuck Chuck

1998-02-20

1999-08-31

Bishop, Steven C.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279902, B23B 3112

Patent

active

059443286

ABSTRACT:
A chuck for holding a tool a central axis, comprising: a main body, surrounding the central axis and having a periphery passed through by several oblique guiding openings, which are symmetrically arranged around the central axis; several jaws, gliding in the guiding openings and having a plurality of teeth; a threaded ring system, mounted on the main body, rotatable around the central axis, having an inner periphery with a thread, which engages with the teeth of the jaws, such that by turning the threaded ring system the jaws are driven towards the central axis or away therefrom; a holding ring for supporting the threaded ring system; a washer, mounted on the main body, for supporting the holding ring; and a front cover, covering the main body from the front end thereof, tightly linked to the holding ring and having an inner periphery with coupling elements, which engage with coupling elements on the threaded ring system, such that turning the front cover around the central axis drives a rotation of the threaded ring system around the central axis.

REFERENCES:
patent: 5348318 (1994-09-01), Steadings et al.
patent: 5553873 (1996-09-01), Salpaka et al.
patent: 5669616 (1997-09-01), Ho

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