US Patent: 2,060,313
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| Chuck for paper drills
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Patentees:
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| Harry S. Hill (exact or similar names) - Portland, OR |
| Andrew C. Peterson (exact or similar names) - Portland, OR |
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Patent Dates:
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| Applied: |
Feb. 25, 1935 |
| Granted: |
Nov. 10, 1936 |
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Jeff Joslin
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Description: |
| The drills used for cutting holes in paper are sharpened hollow cylinders such that the waste discs travel up the inside of the cylinder and through a corresponding hole in the chuck body. An "agitating blade" helps pull the paper discs out of the passage and delivers them to a discharge outlet. |
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