US Patent: 3,355,800 - Machine Tool Headstock


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US Patent: 3,355,800

Machine Tool Headstock

Patentee:

Jesse Daugherty (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:

483/4, 483/40

Tool Categories:

metalworking machines : drilling and boring : horizontal boring mills

metalworking machines : metalworking machine mechanisms

Assignees:

Giddings & Lewis Machine Tool Co. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 21, 1966
Granted:	Dec. 05, 1967

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.

Description:

Continuation of application filed 30 July, 1964. This application Filed 21 Dec., 1966.

Abstract:

An apparatus for axially positioning a machine tool spindle and clamping the spindle in a fixed number of axially spaced, work starting positions and a tool changing position, together with a tool changing mechanism which presents a tool to the spindle while in its tool changing position and a work support for moving the work along two axes relative to a tool located in and held by the spindle in one of the work starting positions. The clamp embodies slotted conical washers which are axially flexed to solidly lock the spindle in the sleeve.