Attachments for fitting tools to spindles

Details Attachments for fitting tools to spindles Attachments for fitting tools to spindles

1983-03-31

1985-10-22

Briggs, William R.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

279 1A, 408239A, B23C 526

Patent

active

045485321

ABSTRACT:
An attachment for fitting a tool to a hollow spindle of a machine tool, in a case where a shank portion of the tool has a taper-size smaller than that of a tapered hole of the spindle, comprises a hollow attachment body to be secured to the lower end of a ram of the machine tool, a sleeve rotatably supported in the attachment body, and an arbor assembly disposed axially movably in the sleeve. The arbor assembly comprises a stud arbor, a pull-stud to be engaged with a collet chuck disposed in the spindle, and a collet chuck to be engaged with a pull-stud of the tool inserted into a tapered hole of the sleeve.

REFERENCES:
patent: 3587389 (1971-06-01), Kreimer
patent: 3757637 (1973-09-01), Eich et al.
patent: 3762271 (1973-10-01), Poincenot
patent: 4238167 (1980-12-01), Brugger et al.
patent: 4334811 (1982-06-01), Trumpf et al.

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