US Patent: 822,687
|
Combined Ratchet Wrench and Drill
|
Patentee:
|
|
James R. Neilson (exact or similar names) - Union City, TN |
|
Patent Dates:
|
Applied: |
Jul. 12, 1904 |
Granted: |
Jun. 05, 1906 |
Patent Pictures:
[
1 | 2
]
|
|
James R. Neilson patent June 5, 1906 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Reversible ratchet using a spring-loaded plunger type pawl. The chuck jaws adjust by spiral teeth engaging rack teeth on the jaw segments. The specifications use the terms "jaw carrier" and "jaw actuator."
Contemporary advertising notes sets produced with interchangeable jaws, and a range of overall sizes. |
|