US Patent: 768,220
|
| Ratchet Wrench
|
|
Patentee:
|
|
| Charles B. Gracey (exact or similar names) - Coraopolis, PA |
| USPTO Classifications: |
| 81/63 |
|
|
Patent Dates:
|
| Applied: |
Mar. 09, 1904 |
| Granted: |
Aug. 23, 1904 |
|
Patent Pictures:
[
1 | 2
]
|
|
Charles B. Gracey patent August 23, 1904 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patent is for the shape and arrangement of the pawl and its spring, and the interface of the pawl with the teeth on the head. The pawl can be reversed without removing the wrench from the work piece.
C.B. Gracey produced heavy duty ratchets for ratchet drills, turnbuckle adjusters, etc. |
|