US Patent: 28,337
|
Improvement in Clevises for Plows
|
Patentee:
|
|
Calvin Adams (exact or similar names) - Pittsburg, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
May 22, 1860 |
Patent Pictures:
|
|
Patent 28,337 - edited image |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The clevis is formed of three pieces to allow for easier adjustment to the plow beam and to allow for flexibility at the "corners." The wrench headed bolts shown in the drawings are noted in the specifications; one form is made with a wrought shank and cast head. |
|