US Patent: RE6,340
|
Improvement in band sawing-machines
|
Patentee:
|
|
Olpha Bonney (exact or similar names) - San Francisco, CA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Feb. 19, 1875 |
Granted: |
Mar. 23, 1875 |
Reissue Information: |
Reissue of 138,121 (Apr. 22, 1873) |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
Description: |
Patent is for a mechanism for adjusting tracking, and the use of a spring to equalize blade tension. |
|