US Patent: 2,028,293
|
Undercutting Attachment for Lathes
|
Patentees:
|
John J. O'Brien (exact or similar names) - South Bend, IN |
Miles W. O'Brien (exact or similar names) - South Bend, IN |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jan. 11, 1935 |
Granted: |
Jan. 21, 1936 |
Patent Pictures:
[
1 | 2
]
|
|
|
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|
Description: |
George J. Oltsch - patent attorney
This invention relates to undercutting attachments for lathes, and particularly means for accurately undercutting laminations and the like of a cylindrical member mounted on a lathe, such as mica laminations of a motor commutator. |
|