US Patent: 512,418
|
| Wrench
|
|
Patentee:
|
|
| William J. Walker (exact or similar names) - St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 30, 1893 |
| Granted: |
Jan. 09, 1894 |
|
Patent Pictures:
|
|
William J. Walker patent January 9, 1894 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The shank tapers; a cam binds and releases the movable jaw. The cam rotates at right angles to the direction of motion of the movable jaw, rather than parallel to that motion. |
|
