US Patent: 1,307,266
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| Tool Feeding Mechanism
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Patentee:
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| Howard A. Pedrick (exact or similar names) - Bala, Montgomery County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 21, 1917 |
| Granted: |
Jun. 17, 1919 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Pedrick Tool & Machine Co.
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Description: |
| Abstract:
One object of this invention is to provide a relatively simple, compact and conveniently operated combination of parts for moving the tool carried by a boring bar at a relatively high speed when its cutter is not in operation;
the invention contemplating mechanism particularly adapted for use in connection with the apparatus described and claimed in my Patent #1,230,020, dated June 12, 1917, whereby the feed screw, and therefore the tool actuated thereby, may be rapidly moved longitudinally of the apparatus, either by hand or power, independently of the train of mechanism ordinarily employed for feeding said tool when it is cutting.
Claim:
The combination of a boring bar; a tool-feeding screw journaled therein; two gears on said feed. screw; a train of gearing carried by the boring bar and operative on one of said gears for turning the feed screw at a relatively low speed and including a hollow shaft; a second shaft mounted within said hollow shaft: a gear on said-inner shaft meshing with the second gear on the feed screw and means for turning the inner shaft at will. |
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