Apparatus for preventing invasion of cutting liquid in replaceab

Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product

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173 57, B23B 5106

Patent

active

046979654

ABSTRACT:
An accumulator tank is mounted on a working head of a replaceable head type machine tool. The tank is connected to each spindle housing on the head to deliver a pressure fluid and jet the same forwardly through the interior of the housing and out an insertion gap surrounding a spindle mounted in the housing. Pressure fluid is supplied to the tank when the head is coupled to a driving unit through respective connecting opening and supply openings. An air jetting opening made in a docking portion of the driving unit to prevent foreign material from lodging therein and blocking entry of a corresponding pin on the working head during coupling can also be the supply opening.

REFERENCES:
patent: 3382739 (1968-05-01), Jacobson
patent: 3868195 (1975-02-01), Anderson et al.
patent: 4499969 (1985-02-01), Toombs
patent: 4570952 (1986-02-01), Heimbergner et al.
patent: 4624608 (1986-11-01), Shiomi et al.

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