Tool fastening device

Details Tool fastening device Tool fastening device

1976-07-30

1978-01-17

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having inversely angled cutting edge

408239R, B23C 526

Patent

active

040685594

ABSTRACT:
The invention deals with a quick-change-device for a conical, hollow bore spindle of a machine tool in particular a milling machine, for the quick releasing and clamping of tools or tool holders that have conical shanks and which have a ring groove on the end which is facing away from the tool, into which radially movable projections of a clamping element engage, and which projections are part of a longitudinally shiftable drawbar in a spindle, which under the effect of clamping springs act on the drawbar, the clamping element engaging and pulling the conical shaft of the tool holder into the spindle cone of the machine tool; and the clamping element is detachable due to compressing the clamping springs through a power means.

REFERENCES:
patent: 3678801 (1972-07-01), Hague et al.
patent: 3821844 (1974-07-01), Harman et al.
patent: 3875848 (1975-04-01), Powell

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