US Patent: 278,053
|
Ratchet Wrench and Drill
|
Patentee:
|
|
William C. Shipherd (exact or similar names) - Cleveland, OH |
USPTO Classifications: |
81/63 |
|
Patent Dates:
|
Applied: |
Oct. 06, 1882 |
Granted: |
May 22, 1883 |
Patent Pictures:
[
1 | 2
]
|
|
William C. Shipherd patent May 22, 1883 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
A swinging lever within the handle serves as the ratchet pawl. It is controlled by the hand grip, and can rotate within the handle to reverse the ratchet action.
A known example has no visible markings. |
|