Collet attachment/closer

Details Collet attachment/closer Collet attachment/closer

1993-10-29

1995-07-11

Bishop, Steven C.

Chucks or sockets

With fluid-pressure actuator

Socket type

279 51, 279143, B23B 3120

Patent

active

054314160

ABSTRACT:
A collet attachment apparatus for a lathe machine tool including a collet holder for engagement of a spring collet, a nose collet adapter chuck to be fastened to a standard master chuck for engagement of a collet holder. A rear spindle draw tube adapter fastens to a hydraulic actuator to cause axial movement of a drawbar and exert or release pressure on the spring collet. Various lock ring means are utilized to limit the axial movement of the drawbar and ultimately the pressure on the collet.

REFERENCES:
patent: 2455586 (1948-12-01), Kooima
patent: 2493926 (1950-01-01), Petsche
patent: 2546356 (1951-03-01), Wetzel
patent: 3625530 (1971-12-01), Parsons

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