US Patent: 68,537
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| Lathe Chuck
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Patentee:
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| James M. Smith (exact or similar names) - Seymour, New Haven County, CT |
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Patent Dates:
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| Granted: |
Sep. 03, 1867 |
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Joel Havens
Vintage Machinery entry for James M. Smith
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Description: |
| This chuck is intended for holding long slender items, especially for drilling. It is a predecessor to the collet chuck. The inventor manufactured small lathes for making fountain pens and the like.
Abstract:
This invention relates to a new and improved chuck for turning lathes, and has for its object, first, simplicity of construction; secondly, facility in manipulating it to hold or grasp articles to be turned or drilled, and also to release said articles and thirdly, the admission within the chuck: of long articles, such as rods, drills, or other articles to he held by it, for which ordinary chucks are not adapted.
Claim:
The screw-collar Dx, fitting over the tube B, and provided with the groove h, for receiving the right-angular arm ax of the jaws C, and with the flange f fitting into the groove of right-angular arm of said jaw, as herein set forth, for the purpose specified. |
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