US Patent: 2,774,250
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Multi Speed Transmission for Machine Tools
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Patentee:
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Keith F. Gallimore (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: |
Jul. 30, 1954 |
Granted: |
Dec. 18, 1956 |
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Joel Havens "Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
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Description: |
Claim:
The present invention relates in general to machine tools. More particularly it relates to multispeed transmissions and means for adjusting the same to drive a rotatable element at any selected one of a plurality of speeds. While not limited to any one application, the invention is of particular utility in providing a plurality of rotational speeds for the spindle of a horizontal boring, milling and drilling machine. |
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