US Patent: 544,411
|
Drill chuck
|
Patentee:
|
|
Herbert D. Lanfair (exact or similar names) - Westminster, CA |
USPTO Classifications: |
81/34 |
|
Patent Dates:
|
Granted: |
Aug. 13, 1895 |
Patent Pictures:
|
|
Lanfair 544,411 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for Goodell-Pratt Co.
|
Description: |
This patent was the core of construction for most Goodell-Pratt hand drills. Features were also used on many of the breast drills. The Goodell-Pratt #5 hand drill is most like the patent drawing. |
|