| US Patent: 377,827 
 | 
| Wrench | 
| 
| Patentee: |  |
 | Henry W. Hackley (exact or similar names) - Kokomo, IN |  
 
 
 
 
 
 | 
| Patent Dates: |  
| Applied: | Jan. 29, 1887 |  
| Granted: | Feb. 14, 1888 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Henry W. Hackley patent February 14, 1888 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | The movable jaw with a short handle is pushed closed by a compression spring. It provides sufficient pressure to hold the axle nut. |  |