Drill chuck

Details Drill chuck Drill chuck

1976-07-09

1977-12-27

Abercrombie, Willie G.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 1ME, B21B 3104

Patent

active

040651398

ABSTRACT:
A drill chuck of the key or Jacobs type comprising a chuck body guiding a plurality of chuck jaws toward and away from one another with axial displacement of the jaws by a gear ring whose teeth mesh with the Jacobs key. The toothed ring is formed with a groove in which a sleeve into which an inwardly projecting ridge of a sleeve is form-fittingly driven in the assembly of the chuck, the sleeve retaining the ring and another chuck member in axially fixed relation, this other chuck member being provided with an internally threaded bore for mounting upon a drill or other machine tool spindle. Directly opposite the shoulder formed by the groove in the toothed ring, the sleeve is provided with an inwardly open circumferential groove to facilitate plastic deformation of the sleeve into the groove of the ring.

REFERENCES:
patent: 3810642 (1974-05-01), Derbyshire
patent: 3949998 (1976-04-01), Dietzen et al.

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