US Patent: 857,020
|
| Suspended drill-press
|
|
Patentees:
|
| John Hays Birch (exact or similar names) - Crawfordsville, IN |
| John Henry Birch (exact or similar names) - Crawfordsville, IN |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Sep. 29, 1906 |
| Granted: |
Jun. 18, 1907 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
|
Description: |
| This machine is intended for drilling large work pieces whose size exceeds the spindle-to-post distance of typical drill presses. It simply suspends the drill from the ceiling, eliminating the need for a post extending below the drill head. |
|
