DE Patent: DE-118
|
| Schraubenschlüssel mit beweglicher Backe
|
|
Patentee:
|
|
| Jules Henry Perrenoud (exact or similar names) - Cortaillod, Switzerland |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Aug. 07, 1877 |
| Antedated: |
Aug. 07, 1877 |
|
Patent Pictures:
|
|
German patent 118 - composite edited image |
Espacenet patent
Report data errors or omissions to steward
Stan Schulz
German patent 118 in ESPACENET
|
|
Description: |
| Cam lever presses a spring-loaded toothed plate into fine rack teeth on the back of the shank to hold the adjustment. This is the first wrench patent found in the German patent system which began in 1877.
German patent Klasse 87 (a) Gruppe 8. |
|
