US Patent: 331,284
|
| Clevis
|
|
Patentee:
|
|
| John R. Davis (exact or similar names) - Bristol, WI |
|
|
Patent Dates:
|
| Applied: |
Jul. 17, 1885 |
| Granted: |
Dec. 01, 1885 |
|
Patent Pictures:
[
1 | 2 | 3
]
|
|
Patent 331,284 - edited drawing |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The design uses a wooden shear pin to relieve strain on draft animals when the plow hangs up on a root or stone.
A known example marked "DAVIS PAT DEC. 1 1885" looks different than the generalized design shown in the patent drawings. Manufacturer attribution from a Dec. 1887 FARM IMPLEMENT NEWS ad showing the Davis Patent Break Pin Clevis and 3-Horse Equalizer Combined along with a Davis patent Whiffletree Hook. |
|
){kind=link}
){kind=link}
){kind=link}