US Patent: 3,178,739 - Double Float Tool Holder


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US Patent: 3,178,739

Double Float Tool Holder

Patentees:

Harvey R. Plummer (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

William M. Ritter (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:

408/141, 408/239R, 408/714, 464/162

Tool Categories:

metalworking machines : milling machines : milling machine tools

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:	Sep. 05, 1961
Granted:	Apr. 20, 1965

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:

Claim:

The present invention relates to a tool holder, and more particularly, to a tool holder suitable for use with automatic machinery in which the feed rate of the machinery driving element differs from the feed rate or lead rate of the tool into the workpiece.