US Patent: 174,354
|
Pipe-Wrench
|
Patentee:
|
|
Isaiah Cressey (exact or similar names) - Gloucester, MA |
USPTO Classifications: |
81/97 |
|
Patent Dates:
|
Applied: |
Apr. 02, 1875 |
Granted: |
Mar. 07, 1876 |
Patent Pictures:
[
1 | 2
]
|
|
Isaiah Cressey Pat. March 7, 1876 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The movable jaw pivots out from a base that is moved up and down the main shank by an adjusting ring. Known examples like no. 595 in "Antique and Unusual Wrenches" by Schulzes have a coil spring beneath the rocking jaw insert.
Cressey's March 24, 1885 patent (no. 314,517) is an elaboration and modification of this patent. |
|