US Patent: 663,145
|
Chain-gear parallel carpenter's vise
|
Patentee:
|
|
Edward J. Zwart (exact or similar names) - St. Louis, MO |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Apr. 27, 1899 |
Granted: |
Dec. 04, 1900 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
Description: |
Chain-drive parallel mechanism for a leg vise. The inventor claims that the mechanism can easily be retrofitted to an existing vise. |
|