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DE Patent: DE-354,317
Schrauben- und Rohrschlüssel
Patentee:
Bernhard Land (exact or similar names) - Hagen, Westphalia Germany

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Berla Werkzeug-Industrie G.m.B.H. - Wittenberg, Germany

Witnesses:
none listed

Patent Dates:
Granted: Jun. 08, 1922
Antedated: Jun. 15, 1920

Patent Pictures: [ 1 | 2 ]
Bernhard Land patent nr. DE354317 (edited)
Espacenet patent
Report data errors or omissions to steward Stan Schulz
DE354317 in ESPACENET
Description:
Closing the lever handle pushes the toothed gripping slide into rack teeth on the shank and advances the movable jaw. Fully opening the lever handle releases the gripping slide to adjust the opening size. Slots in the lever handle allow for the relative range of motion between the pivot point on the movable jaw and the pivot point on the gripping slide.

Advertised in Germany as the "BERLA."

Cited as reference in U.S. patent 2,533,436. Dates are taken from the ESPACENET entry for the patent.

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