US Patent: 1,413,790
|
| Drilling Machine
|
|
Patentees:
|
| Herman W. Schatz (exact or similar names) - Norwood, Hamilton County, OH |
| Augustus M. Sosa (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Sep. 10, 1917 |
| Granted: |
Apr. 25, 1922 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
"Vintage Machinery" entry for American Tool Works Co.
|
|
Description: |
| Claim:
Our invention relates to drilling machines employing means for raising and lowering the drill-arm on the column or standard It is the object of our invention to provide a drilling machine with an electric motor mounted on the drill-arm, and arranged for causing operation of the raising and lowering means for the drill-arm and, further, to provide an arrangement of means whereby the drill-spindle maybe operated and the raising and lowering of the drill-arm be effected by means of a single electric motor supported by a movable drill-arm. |
|
