Threading device on a numerically controlled lathe

Details Threading device on a numerically controlled lathe Threading device on a numerically controlled lathe

2011-06-14

2011-06-14

Fridie, Jr., Will (Department: 3724)

Turning

Lathe

C082S063000

Reexamination Certificate

active

07958805

ABSTRACT:
A piece-threading device on a numerically controlled lathe comprises a supporting assembly having an inner rotatively driven body which, on a side thereof facing a workpiece to be threaded, comprises a plurality of threading tools, the rotatively driven body having a built-in electrical rotor (9) to which an electric stator (8) also built-in in the supporting assembly is operatively coupled, the stator (8) having a plurality of circumferential channels (6) for circulating therethrough a refrigerating and lubricating fluid.

REFERENCES:
patent: 2036821 (1936-04-01), Munson
patent: 2934689 (1960-04-01), D Amico
patent: 3129592 (1964-04-01), Bracutt
patent: 5664470 (1997-09-01), Garnett et al.
patent: 5813806 (1998-09-01), Muller
patent: 6279438 (2001-08-01), Delacou
patent: 6722005 (2004-04-01), Sauter et al.
patent: 2004/0231473 (2004-11-01), Geibler et al.

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