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US Patent: 1,015,504
Screw-Wrench
Patentee:
Paul Meyer - Solingen, Germany

USPTO Classifications:
81/111, 81/183

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
Paul Meyer - Solingen, Germany
Max Nolden - Solingen, Germany

Manufacturer:
H. Wilke - Remscheid, Germany

Witnesses:
Chas. J. Wright
Alfred Henkel

Patent Dates:
Applied: Sep. 01, 1910
Granted: Jan. 23, 1912

Patent Pictures:
Paul Meyer patent January 23, 1912
USPTO pdf tiff
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Description:
The design of the swinging jaw segment allows ratchet-like action. The wrench grips five sides of hexagon nuts -- that action is clearly shown in the corresponding Austrian patent AT-62039. See also corresponding patents from Britain [GB-191019234], and Canada [CA-130,472].

The wrench was noted in a November 16, 1911 AMERICAN MACHINIST article which identifies a German manufacturer and U.S. import agent.

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