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DE Patent: DE-425,020
Schraubenschluessel mit im Kopf eingebautem, umsteuerbarem Schaltwerk
Patentee:

USPTO Classifications:

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Spezial-Werzeugfabrik Feuerbach G.m.b.H - Stuttgart-Feuerbach, Germany

Manufacturer:
Spezial-Werzeugfabrik Feuerbach G.m.b.H - Stuttgart-Feuerbach, Germany

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 09, 1926
Antedated: Dec. 21, 1924

Patent Pictures:
German patent DE425,020 - edited drawing
Espacenet patent
Report data errors or omissions to steward Stan Schulz
German patent DE-425,020 (ESPACENET)
Description:
German patent corresponding to U.S. 1,629,205 for a reversible ratchet structure in a wrench head. The ALL-IN-ONE which was distributed in the U.S. by Emil Schwarz (Chicago) incorporates this ratchet structure. In keeping with German patent conventions, the patent is issued to the company rather than a named individual.

German Patent Klasse 87 (a), Gruppe 12. The ESPACENET entry notes corresponding patents in several European countries.

A portion of the ALL-IN-ONE resembles the structure in DE-402,843, where a selector "blocks" ratchet pawls to determine left- or right-hand action.

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