US Patent: 733,648
|
| Chain Tongs
|
|
Patentee:
|
|
| Charles F. Hultgren (exact or similar names) - Chicago, IL |
| USPTO Classifications: |
| 81/68 |
|
|
Patent Dates:
|
| Applied: |
Jun. 05, 1902 |
| Granted: |
Jul. 14, 1903 |
|
Patent Pictures:
|
|
Charles F. Hultgren patent July 14, 1903 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| From the specifications: "The present invention relates to that type of pipe tongs or wrenches in which a section of chain and a serrated shoe constitute the means for engaging the pipe or other article, and has for its object to provide a simple and efficient construction and formation of the holding shoe or head whereby beaded pipe fittings and other like beaded articles can be engaged and manipulated in a ready, safe,and efficient manner."
The shoe has a central "V" grove with gripping teeth. Impoved by patent no. 826,939, and apparently used in the IDEAL CHAIN WRENCH. |
|
