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US Patent: 888,336
Wrench
Patentee:
Emile Lacheze (exact or similar names) - Dijon, France

USPTO Classifications:
81/164

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. Lichtenstein
A. J. Suhrfier
J. C. Meinen
Mathey Paul

Patent Dates:
Applied: Oct. 30, 1907
Granted: May 19, 1908

Patent Pictures:
Emile Lacheze patent May 19, 1908
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Description:
The adjusting screw rotates freely in a socket in the "fixed" jaw. The design is an improvement on Lacheze's January 22, 1907 patent (no. 841,986). Swiss patents CH-34,884 and CH-39,556 show more details and options.

No. 764 in "Antique and Unusual Wrenches" shows this style Lacheze wrench.

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