US Patent: 127,686
|
| Improvement in Dividers
|
|
Patentee:
|
|
| Henry Gerecke (exact or similar names) - Carlstadt, NJ |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Jun. 11, 1872 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Ralph Brendler
|
|
Description: |
| This design features a spring-loaded arc with teeth cut into the edge, which engage an index plate on the arm. The arc can be disengaged by finger pressure, allowing it to quickly be set to any position. A threaded knob is also provided for fine adjustments. |
|
