US Patent: 410,129
|
| Power Wrench
|
|
Patentee:
|
|
| Thomas F. Wells (exact or similar names) - Winchester, MA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 09, 1889 |
| Granted: |
Aug. 27, 1889 |
|
Patent Pictures:
|
|
Thomas F. Wells patent August 27, 1889 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Geared power train to operate interchangeable sockets for railroad fish-plate bolts. The socket driver has provision for insertion of a lever handle for final tightening and initial loosening when using this geared device. |
|
