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US Patent: RE6,340
Improvement in band sawing-machines
Patentee:
Olpha Bonney (exact or similar names) - San Francisco, CA

USPTO Classifications:
83/817

Tool Categories:
woodworking machines : bandsaws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. M. Richardson
John L. Boone
Patent Dates:
Applied: Feb. 19, 1875
Granted: Mar. 23, 1875

Reissue Information:
Reissue of 138,121 (Apr. 22, 1873)

Patent Pictures:
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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.

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