Quick change spindle adapter for tool holder

Gear cutting – milling – or planing – Milling – With cutter holder

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Details

279 1L, 279 75, 279 82, B23C 526

Patent

active

047100796

ABSTRACT:
In a quick change spindle adapter including a power rotated spindle having a bore adapted to receive a tool holder, a body secured upon the spindle and a retractable spring biased sleeve mounted on the body having a tapered inner wall. A tool holder mounting a tool projects into the body and has a shank loosely positioned within the spindle. A tapered collar on the tool holder extends into the body and is retainingly engaged by a series of spaced balls in the body with the balls projecting into engagement with the sleeve tapered wall retaining the tool holder and shank upon the spindle. The improvement comprises a conical recess within the end of the spindle defining an axial bearing and a centering cone on the tool holder is in snug engagement and axial registry with the bearing maintaining a self-alignment of the tool holder and spindle.

REFERENCES:
patent: 3091473 (1963-05-01), Bilz
patent: 3851890 (1974-12-01), Smith
patent: 3893677 (1975-07-01), Smith
patent: 4597699 (1986-07-01), Ramunas
patent: 4643623 (1987-02-01), Kondo et al.

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