US Patent: 18,521
|
Device for reversing the chisel in mortising-machines
|
Patentee:
|
|
Caleb B. Rogers (exact or similar names) - Norwich, CT |
|
Patent Dates:
|
Granted: |
Oct. 27, 1857 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for C. B. Rogers & Co.
|
Description: |
"My improvement consists in the peculiar construction and application of a spiral way or guide, acting on a reversing check pin, to reverse the position of the chisel or mortising tool, for cutting opposite ends of the mortise." |
|