US Patent: 3,178,739
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Double Float Tool Holder
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Patentees:
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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 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Sep. 05, 1961 |
Granted: |
Apr. 20, 1965 |
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Joel Havens "Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
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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. |
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