US Patent: 1,560,487
|
| Automatic Screw Threading Machine
|
|
Patentee:
|
|
| Arthur A. Shafer (exact or similar names) - Erie, Erie County, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jun. 30, 1923 |
| Granted: |
Nov. 03, 1925 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
"Vintage Machinery" entry for Rickert-Shafer Co.
|
|
Description: |
| Claim:
In a machine of the class described, a hollow sleeve shaft, means to cause the same to rotate, worm threads on said sleeve shaft, a hollow shaft within said sleeve shaft, adapted to receive the shank of a threading die holder in one end thereof, key and keyway mechanism adapted to permit the hollow shaft to move longitudinally within said sleeve shaft while being revolved thereby, gear mechanism adapted to be actuated by said worm threads to cause said hollow shaft to reciprocate, and means to present a succession of work pieces to said threading die. |
|
