US Patent: 20,407
|
Wrench
Improved Wrench or Pipe-Tongs for Turning or Revolving Cylindrical Bodies
|
|
Patentee:
|
|
| Aury Gates Coes (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Jun. 01, 1858 |
|
Patent Pictures:
|
|
A. G. Coes patent June 1, 1858 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Tongs type pipe wrench design with adjusting nut revolving on threaded portion of shank. The adjusting nut moves a frame with a pivot point for a handle and a second pivot point for a moveable jaw member. The end of the handle within the frame engages a notch in the moving jaw member.
The patent model with its original tag is shown in the 2005 book "The Brothers Coes and Their Legacy of Wrenches," by Herbert E. Page.
The patent is referenced in pat. no. 216,217. |
|
