US Patent: 562,112
|
Wrench
|
Patentee:
|
|
Michael W. Ansterburg (exact or similar names) - Homer, MI |
|
Patent Dates:
|
Applied: |
Aug. 24, 1895 |
Granted: |
Jun. 16, 1896 |
Patent Pictures:
[
1 | 2
]
|
|
Michael W. Ansterburg patent June 16, 1896 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Wrench with spring-loaded gripping block in movable jaw that engages rack teeth on the shank. Known examples marked with patent date are set up as pipe wrenches. The specifications note the adjustment would work for either pipe or nut wrenches. |
|