US Patent: 221,989
|
Ratchet-Wrench
|
Patentee:
|
|
Joseph Woolford (exact or similar names) - Plymouth, CA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jun. 09, 1879 |
Granted: |
Nov. 25, 1879 |
Patent Pictures:
|
|
Joseph Woolford patent November 25, 1879 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The hook jaw is mounted on a sliding block. The block's position on the main shank is held by a spring catch. The large spring holds the hook jaw in engagement with the work piece, and allows ratchet-like action. |
|