US Patent: 491,056
|
| Wrench
|
|
Patentee:
|
|
| Charles H. F. Kraft (exact or similar names) - Battle Creek, MI |
|
|
Patent Dates:
|
| Applied: |
Aug. 26, 1892 |
| Granted: |
Jan. 31, 1893 |
|
Patent Pictures:
|
|
Charels H. F. Kraft patent January 31, 1893 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Cam lever latch on movable jaw locks rack teeth to teeth on the facing surface of the movable jaw. The patent includes a spring-loaded sliding pipe gripping jaw surface.
The wrench was announced to the trade as the KRAFT IDEAL PIPE WRENCH in the February 25, 1892 Scientific American. |
|
