US Patent: 492,626
|
| Hand Wrench
|
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Nov. 10, 1892 |
| Granted: |
Feb. 28, 1893 |
|
Patent Pictures:
|
|
Fred B. Ide patent February 28, 1893 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| A cam lever in the movable jaw presses a toothed shoe against rack teeth on the shank. The handle of the cam lever is divided, and springs into notches in the frame of the movable jaw to hold the adjustment. The gripping surface of the movable jaw rocks, and both jaws are toothed for gripping pipe. |
|
