US Patent: 355,444
|
Wrench
|
Patentee:
|
|
Conrad Farner (exact or similar names) - Milwaukee, WI |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jun. 21, 1886 |
Granted: |
Jan. 04, 1887 |
Patent Pictures:
|
|
Conrad Farner patent January 4, 1887 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
A toothed block in the movable jaw engages rack teeth on the shank to hold the size adjustment. A toggle-levered key lifts and lowers the block. The jaw portion of the movable jaw has limited swinging motion, and is held in gripping position by a compression spring. The design is intended for use on pipe or nuts. |
|