DE Patent: DE-69,619
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| Verstellbarer Schraubenschlüssel
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Patentee:
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| M. Schmetz (exact or similar names) - Aachen, Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 05, 1893 |
| Antedated: |
Jan. 19, 1893 |
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Patent Pictures:
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German patent 69619 (image edited) |
Espacenet patent
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Stan Schulz
DE-69619 in ESPACENET
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Description: |
| Spring-loaded gripping cams on the sides of the movable jaw hold the adjustment. The drawing for parallel Swiss patent CH-7024 granted July 15, 1893 shows coil springs rather than leaf springs.
German patent Klasse 87 (a) Gruppe 9. |
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