US Patent: 214,697
|
| Pipe-Wrench Attachments
|
|
Patentee:
|
|
| Peter Peppler (exact or similar names) - Salem, NJ |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 22, 1878 |
| Granted: |
Apr. 22, 1879 |
|
Patent Pictures:
|
|
Peter Peppler patent April 22, 1879 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| This pipe jaw clamps on by a thumb screw in a slide-in plate. The obvious weaknesses of this design are having the parts get separated while not in use, and the potential for the sides to spring outward in use, allowing the slide-in plate to "pop out." |
|