Turning – Lathe – Multiple
Reexamination Certificate
2006-10-10
2006-10-10
Fridie, Jr., Willmon (Department: 3722)
Turning
Lathe
Multiple
C082S070200, C082S138000
Reexamination Certificate
active
07117774
ABSTRACT:
An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) capable of holding a plurality of tools (22) in parallel arrangements in a first row and second row exhibiting mutually different nose orientations, and a second spindle (16) having an axis of rotation parallel to the axis of rotation of the first spindle and capable of being located facing the first spindle, in such a manner as to be centrally carried on a lathe bed (12). The first spindle can move linearly along a first control axis parallel to its axis of rotation. The first tool rest can move linearly along a second control axis perpendicular to the first control axis. The second tool rest can move linearly along a third control axis perpendicular to the first control axis and a fourth control axis parallel to the first control axis. The second spindle can move linearly along a fifth control axis parallel to the third control axis and a sixth control axis parallel to the first control axis. A control unit (106) enables simultaneous performance of first machining work relating to the first spindle by a desired tool selected at the first tool rest, second machining work relating to the first spindle by a desired tool selected from the first row at the second tool rest, and third machining work relating to the second spindle by a desired tool selected from the second row at the second tool rest.
REFERENCES:
patent: 4612832 (1986-09-01), Ushigoe et al.
patent: 5282300 (1994-02-01), Girny et al.
patent: 5896794 (1999-04-01), Trautmann
patent: 6-703 (1994-11-01), None
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patent: 9-323201 (1997-12-01), None
patent: 10-315005 (1998-12-01), None
Akimoto Satoru
Ishimura Toshio
Kasahara Shinsuke
Someya Eiichiro
Citizen Watch Co. Ltd.
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Fridie Jr. Willmon
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