US Patent: 422,480
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Chuck
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Patentee:
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Lucius E. Whiton (exact or similar names) - New London, CT |
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Patent Dates:
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Applied: |
Jul. 12, 1889 |
Granted: |
Mar. 04, 1890 |
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Jeff Joslin Vintage Machinery entry for D. E. Whiton Machine Co.
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Description: |
"my present invention is especially applicable to that class of chuck in which a series of holding-jaws are supported in radial guide-ways and actuated by a scroll or helix on a revoluble section located within the chuck-case. The purpose of my present invention is to simplify and cheapen somewhat the manner of supporting and securing said pinion-gears..." |
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