US Patent: 589,312
|
| Wrench
|
|
Patentee:
|
|
| Leighal Agusta Smith (exact or similar names) - New Bern, NC |
| USPTO Classifications: |
| 81/96 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jun. 10, 1897 |
| Granted: |
Aug. 31, 1897 |
|
Patent Pictures:
|
|
Leighal Agusta Smith patent August 31, 1897 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Roller jaw pipe wrench. The roller is mounted in a spring-loaded movable frame. Half of the roller has gear teeth that engage rack teeth on the main shank; the other half of the roller has a roughened gripping surface that works in coordination with a fixed hook jaw. |
|