US Patent: 393,618
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| Machine For Forming Screw Blanks For Wrenches
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 31, 1888 |
| Granted: |
Nov. 27, 1888 |
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Patent Pictures:
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Loring Coes patent November 27, 1888 |
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Description: |
| Machine with forging dies to form the blanks for the adjusting screws for Coes "monkey wrenches." The machine includes a rotating set of top dies to upset the end of a rod segment and form the concentric base pin and enlarged section which is finished to form the "rosette."
The foot treadle forces the completed forging from the bottom die. |
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