US Patent: 890,146
|
| Wrench
|
|
|
Patent Dates:
|
| Applied: |
Feb. 10, 1908 |
| Granted: |
Jun. 09, 1908 |
|
Patent Pictures:
[
1 | 2
]
|
|
John R. Long Pat. Feb. 10, 1908 |
USPTO Images
Google Patents
Report data errors or omissions
|
|
Description: |
| This wedge-adjust wrench is an improvement on Long's April 17, 1906 patent (no. 818,180). The 1906 patent has one jaw face on the sliding yoke, and the other on a wedge-shaped movable element. This 1908 patent has one jaw face on a wedge-shaped movable element, and the other jaw face on the handle element. Long's April 26, 1910 patent (no. 955,974) is a further refinement.
The Rogers Printz & Co. version was marketed as ARPECO. |
|
){kind=link}
){kind=link}