US Patent: 1,382,851
|
| Adjustable Friction Wrench
|
|
Patentee:
|
|
| Julius A. Pitsch (exact or similar names) - Los Angeles, CA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jun. 02, 1920 |
| Granted: |
Jun. 28, 1921 |
|
Patent Pictures:
|
|
Julius A. Pitsch patent June 28, 1921 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| A circular block contains a worm-and-rack adjustable wrench head. The block is housed in a circular frame with a swinging handle. The end of the handle within the frame bears against the circular block to create a ratchet effect. |
|