US Patent: 303,060
|
| Screw Cutting Die
|
|
Patentee:
|
|
| Albert J. Smart (exact or similar names) - Greenfield, MA |
|
|
Patent Dates:
|
| Applied: |
Jun. 01, 1883 |
| Granted: |
Aug. 05, 1884 |
|
Patent Pictures:
[
1 | 2
]
|
|
Albert J. Smart patent August 5, 1884 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
"Vintage Machinery" entry for Wiley & Russell Manufacturing Co.
|
|
Description: |
| The taper-headed screws adjust the size; the four side screws hold the cutters firmly in the holder. Marketed as the Wiley & Russell LIGHTNING SCREW PLATE.
The taper-headed screws are carried over from the J.J. Grant October 21, 1871 patent (no. 120,266). This patent was improved by Smart's Oct. 21, 1884 patent (no. 306,783). |
|
){kind=link}
){kind=link}