US Patent: 916,951
|
| Wrench
|
|
Patentee:
|
|
| Harry Jeffrey (exact or similar names) - Louisville, KY |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
May 19, 1908 |
| Granted: |
Mar. 30, 1909 |
|
Patent Pictures:
|
|
Harry Jeffrey Pat. March 30, 1909 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| This patent is a "special case" of the principal Jeffrey patented in pat. no. 873437 -- reissue no. RE12854. The "family" of patents also includes no. 916952. In this patent, wrench jaw grooves are cut into the heads at right angles to the shank, with the two grooves on each head diametrically opposed. They form a wrench that can fit four sizes, with a hex socket in the center of each head. The JEFFREY LOCK=JAW wrench has its wrench slots angled like the earlier patent. |
|
