US Patent: 1,026,040
|
| Pipe Wrench
|
|
Patentee:
|
|
| William Andrew Hyle (exact or similar names) - Toronto, ON Canada |
|
|
Patent Dates:
|
| Applied: |
Feb. 23, 1911 |
| Granted: |
May 14, 1912 |
|
Patent Pictures:
|
|
William Andrew Hyle patent May 14, 1912 with BARCALO BUFFALO / 10 IN. - DROP FORGED - PAT 1911 example |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Solid frame with a circular opening for the adjusting nut and sector blocks. This construction eliminates the use of springs to prevent the wrench "locking" on pipe.
Markings on a known example reflect the Canadian patent date (patent no. CA-136213 granted Oct. 17, 1911).
The patent is included in a list of "relevant prior art" in the specifications for patent no. 2,555,395. |
|
