US Patent: 763,770
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| Feed and Speed Changing Device for Machine-Tools
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Patentees:
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| Richard K. Le Blond (exact or similar names) - Cincinnati, Hamilton County, OH |
| William F. Groene (exact or similar names) - Cincinnati, Hamilton County, OH |
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Patent Dates:
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| Applied: |
Apr. 02, 1904 |
| Granted: |
Jun. 28, 1904 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for R. K. Leblond Machine Tool Co.
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Description: |
| This patent was listed on a patent plate attached to a Le Blond Lathe.
Abstract:
The invention to be hereinafter described relates to feed and speed changing devices for machine-tools wherein a series; of gears of different diameters and, in effect, constituting a cone of gears are driven from a driving-gear
through an intermediate gear, and has for its general object to provide a device of simple construction capable of ready manipulation to effect the changes desired and wherein the intermediate or transmitting gear shall have great ease of movement in changing its position to effect the desired speed.
Claim:
In a feed and speed changing mechanism for machine-tools, the combination of a series of gears of varying diameters, an elongated driving gear, a bearing cylinder disposed about the elongated driving-gear, and intermediate-gear carrier movable axially about and longitudinally of the bearing-cylinder, and an intermediate gear mounted on said carrier, and in constant engagement with the elongated driving-gear. |
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