US Patent: 2,345,069
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| Collet chuck
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Patentee:
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| Ellsworth B. Phillips (exact or similar names) - Los Angeles, CA |
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Patent Dates:
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| Applied: |
May 15, 1942 |
| Granted: |
Mar. 28, 1944 |
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Jeff Joslin
Vintage Machinery entry for Allison Chuck Products, Inc.
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Description: |
| This lathe collet chuck can be engaged or disengaged without stopping the spindle. It is designed to move the workpiece slightly outward (to the right) as the chuck is tightened, so that the workpiece will stay firmly against a length stop. Example bearing this patent number have been seen; the labels read, "Allison Chuck Products, Inc. / 413 W. 7th St. / San Pedro, Calif. U. S. A." |
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