US Patent: 128,118
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| Improvement in Machines for Forming Wrench-Bar Heads
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Patentee:
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| Aury Gates Coes (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 18, 1872 |
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Patent Pictures:
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A. G. Coes Pat. June 18, 1872 |
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Stan Schulz
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Description: |
| Die faces on one rotating member, and the position of a partially finished wrench member clamped on a second rotating member are arranged so that the successive points of contact are along a plane central between the axis of the two shafts. |
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