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DE Patent: DE-168,633
Schraubenschlüssel u. dgl. dessen Maul durch Schwingen ...
Patentees:
Percy George Tacchi (exact or similar names) - London, England
Alfred James Jung (exact or similar names) - London, England

USPTO Classifications:

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
F. M. Russell & Co. - Willesden, N.W. London, England

Witnesses:
none listed

Patent Dates:
Granted: Mar. 14, 1906
Antedated: Nov. 27, 1904

Patent Pictures:
German patent 168633 - composite edited image
Espacenet patent
Report data errors or omissions to steward Stan Schulz
German patent 168633 in ESPACENET
Description:
The handle structure allows the angle of the head to adjust in relation to the "line" of the handle. See entries for corresponding British patent GB-190401868 for production details, etc. and German patent DE-194499 for subsequent evolution.

German patent Klasse 87 (a) Gruppe 13.

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