US Patent: 2,381,422
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| Sensitive Precision Lathe
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Patentee:
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| Clifford A. Bickel (exact or similar names) - Sidney, Shelby County, OH |
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Patent Dates:
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| Applied: |
Oct. 31, 1939 |
| Granted: |
Aug. 07, 1945 |
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Patent Pictures:
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Monarch 10EE Lathe |
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Joel Havens
"Vintage Machinery" entry for Monarch Machine Tool Co.
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Description: |
| Abstract:
It is the object of this invention to provide a very sensitive precision lathe with an almost unlimited range of gearless, stepless spindle speeds capable of both forward and reverse movement.
Claim:
In a lathe, a driving motor, hydraulic variable speed transmission means driven thereby, a control mechanism comprising a handle, a sleeve and a system of links and levers connected to said hydraulic speed control mechanism and handle, a rod mounted within said sleeve, and electrical control mechanism connected to said rod for controlling said driving motor whereby a centralized control for said motor and said hydraulic speed mechanism is provided. |
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