Tool changer and machine tool equipped with the tool changer

Tool changing – With control means energized in response to activator...

Reexamination Certificate

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Details

C483S037000, C483S041000

Reexamination Certificate

active

07485082

ABSTRACT:
A tool changer, used for exchanging tools between a tool magazine and a tool spindle of a machine tool, includes a tool-changing unit and a feed screw. The tool-changing unit has a rotating shaft with a changing arm attached to one end thereof and a rotating drive motor attached to the other end thereof. The feed screw has one end to which a drive motor is attached to cause the tool-changing unit to perform a feed operation of a tool and also perform detachment/attachment of the tool by utilizing the feed operation. Additionally, the feed screw is parallel to a rotational axis of the tool spindle positioned at a tool-changing position.

REFERENCES:
patent: 3613225 (1971-10-01), Sato et al.
patent: 4654954 (1987-04-01), Bayes et al.
patent: 5093978 (1992-03-01), Binder
patent: 5820536 (1998-10-01), Sato
patent: 5823722 (1998-10-01), Takenaka
patent: 6074329 (2000-06-01), Hirano et al.
patent: 2082484 (1982-03-01), None
patent: 438335 (1992-03-01), None
patent: 08004989 (1994-11-01), None
patent: 8141863 (1996-06-01), None
patent: 9131637 (1997-05-01), None

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