US Patent: 269,250
|
| Hand-drill
|
|
Patentee:
|
|
| Aretus A. Wilder (exact or similar names) - Detroit, MI |
|
|
Patent Dates:
|
| Applied: |
Apr. 25, 1882 |
| Granted: |
Dec. 19, 1882 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
"Vintage Machinery" entry for Aretus A. Wilder
|
|
Description: |
| Strictly speaking, this is not a ratchet drill, as the mechanism uses rollers that bind against stops to affix the shaft to the handle while allowing the handle to rotate freely in the other direction. |
|
