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US Patent: 4,497,410
Automatic Tool Changer for a Lathe
Patentee:
William C. Coate (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
211/1.53, 483/2, 483/61

Tool Categories:
metalworking machines : metalworking machine mechanisms : tool changers and storage mechanisms
metalworking machines : metal lathes : lathe tool holders and tool posts
metalworking machines : metal lathes : metal lathe mechanisms

Assignees:
Lodge & Shipley Machine Tool Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 15, 1983
Granted: Feb. 05, 1985

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Lodge & Shipley Machine Tool Co.
Description:
Division of application filed 10 May, 1982, patent #4,457,065, which is a continuation of application filed 13 Nov., 1979, patent #4,330,928.

Notice:

The portion of the term of this patent subsequent to 25 May, 1999 has been disclaimed.

Abstract:

An automatic tool changer for a lathe is provided having a rotating drum-type tool storage magazine mounted to the cross slide of the lathe and rotatable to align any one of a plurality of tool holder assemblies and their tools, supported by the magazine, with a guide channel through which a selected tool holder assembly and tool can be slid to the active position, or tool post, on the cross slide, for operating on the workpiece supported by the lathe. A stationary, double-acting, hydraulic piston is disposed in the central portion of the drum-type magazine, having its piston rod in alignment with the guide channel and having a tool holder assembly shuttle member attached to the rod, for transporting an active tool and holder assembly from its ready position in the magazine, in a straight line radially outward from the magazine to the tool post, and for returning the tool holder assembly and tool to their storage position on the magazine after use.

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