US Patent: 144,036
|
Wrenches
|
Patentee:
|
|
Eliphalet S. Scripture (exact or similar names) - Brooklyn, NY |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
May 02, 1873 |
Granted: |
Oct. 28, 1873 |
Patent Pictures:
|
|
Eliphalet S. Scripture Pat. Oct. 28, 1873 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The combination quick & screw adjust uses a tension spring on the back of the movable jaw combined with wedge-shaped threads on the adjusting screw and rack teeth on the shank.
Corresponding Canadian patent no. CA-4,062 was issued November 18, 1874. |
|