US Patent: 1,443,413
|
Socket Wrench
|
Patentee:
|
|
Joseph Johnson (exact or similar names) - Milwaukee, WI |
|
Patent Dates:
|
Applied: |
Jul. 01, 1920 |
Granted: |
Jan. 30, 1923 |
Patent Pictures:
[
1 | 2
]
|
|
Joseph Johnson patent January 30, 1923 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz Snap-On Tools Company History COLLECTING SNAP-ON
|
Description: |
This ratchet action is an in-line device used for "T" handled ratchet socket drivers produced by Snap-On Tools. The patent number also appears on a similar in-line ratchet produced by Blackhawk Mfg. A spring between two elements with "teeth" provides a clutch. |
|