US Patent: 380,735
|
| Wrench
|
|
Patentee:
|
|
| William L. Tobey (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 03, 1888 |
| Granted: |
Apr. 10, 1888 |
|
Patent Pictures:
|
|
William L. Tobey patent October 10, 1888 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Combination screw and quick adjust nut wrench. The shank has threads on one face. A spring holds the adjusting nut in contact with those threads. The interior of the adjusting nut has sufficient space to be disengaged from the threads to allow the movable jaw to slide freely. |
|
