| US Patent: 104,931 
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| Heading Wrench Bars Improved Machine for Forging the Heads of Wrenches
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| Patentee: |  |
 | Aury Gates Coes (exact or similar names) - Worcester, MA |  
 
| USPTO Classifications: |  | 76/10 |  
 
 
 
 
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| Patent Dates: |  
| Granted: | Jul. 05, 1870 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | A.G. Coes Wrench Bar Header Pat. July 5, 1870 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The machine is a major revision of the specialized drop forge patented by Loring and A.G. Coes July 31, 1860 (Patent NO. 29360). The patent includes a complete revision of the bottom anvil section, makes provision for adjusting for wear and clearing of trimmings and scale, and introduces the use of chilled cast iron for several wearing portions of the mechanism. |  |