US Patent: 2,555,395
|
| Rocking Fulcrum For Adjustable and Pivotal Outer Wrench Jaws
|
|
Patentee:
|
|
| Ottavio A. Capra (exact or similar names) - Jamaica, NY |
|
|
Patent Dates:
|
| Applied: |
Mar. 10, 1948 |
| Granted: |
Jun. 05, 1951 |
|
Patent Pictures:
|
|
Ottavio A. Capra patent June 5, 1951 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| "An object of the invention is to provide a novel fulcrum for an adjustable and pivotal wrench jaw, the fulcrum including upper and lower arcuately slidable blocks, an adjusting nut positioned between the blocks, and a spring interposed between the nut and the lower block in order to prevent accidental rotation of the nut."- from the description.
The patent cites previous U.S. patent nos. 197,658, 549,221, 1,026,040, 1,143,350, 1,288,969, 1,360,672, 1,389,581, 1,602,619, 1,778,748, 2,211,507 and two foreign patents as relevant prior art.
Known example marked, "Stilsomatic Tool Corp Annapolis MD" with the patent number. |
|
