US Patent: 77,812
|
| Turning Lathe
|
|
Patentee:
|
|
| Lewis Griscom (exact or similar names) - Mahanoy Plane, Schuylkill County, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
May 12, 1868 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Munn & Co.- patent attorneys
The object of this invention is to accomplish the cutting of tapers on shafts, and the boring of the corresponding tapering hole for the reception of the tapered shaft, in a simple, accurate, and automatic manner.
|
|
