| US Patent: 585,443 
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| Wrench | 
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| Patentee: |  |
 | Albert Ernest Jenks (exact or similar names) - Heath Town,  England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 30, 1897 |  
| Granted: | Jun. 29, 1897 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Albert Ernest Jenks patent June 29, 1897 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Adjustable wrench with sliding jaw sections. The adjustment is set by a volute shaped cam.  A clamping nut to hold the cam from accidental movement is optional.
A similar shaped cam appears on the British-made BURSTON patent. |  |