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DE Patent: DE-94,880
Schraubenschlüssel mit verstellbaren gezahnten Backentheilen
Patentee:
Gustav Dickertmann (exact or similar names) - Berlin, Germany

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Granted: Nov. 13, 1897
Antedated: Dec. 01, 1896

Patent Pictures:
German patent 94880 - composite edited image
Espacenet patent
Report data errors or omissions to steward Stan Schulz
German patent 94880 in ESPACENET
Description:
A movable jaw segment with a pivot screw sliding in a slot in the main shank and teeth on the base facing the main shank engages rack teeth on the main shank, forming an adjustable size open end wrench.

Compare the adjustment means and operation of this design to the later U.S. "WAKEFIELD WIZARD No. 120" based on patent no. 1,436,049.

German patent Klasse 87 (a) Gruppe 8.

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