CA Patent: CA-8,306
|
| Improvements on drilling machines
|
|
Patentee:
|
|
| Andrew Bell Jardine (exact or similar names) - Hespeler, ON Canada |
|
|
Patent Dates:
|
| Applied: |
Jan. 01, 1878 |
| Granted: |
Jan. 21, 1878 |
CIPO Data
Espacenet patent
Report data errors or omissions to steward
Jeff Joslin
"Vintage Machinery" entry for A. B. Jardine Co.
|
|
Description: |
| "This invention has reference to the construction of machines for drilling holes in metals, and has for its object to overcome a tremulous motion of the drilling mechanism, to provide a take up of frictional wear, and the connection of a self feed motion..."This patent was extended as patent CA-17,070. |
|
