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US Patent: 864,805
Engineer's Wrench
Patentee:
Max Schwendner - Reading, PA

USPTO Classifications:
81/116

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

Assignees:
None

Manufacturer:
Max Schwendner - Reading, PA

Witnesses:
M. A. Bond
R. A. Boswell
E. H. Bond
John D. Kinney

Patent Dates:
Applied: Feb. 06, 1907
Granted: Sep. 03, 1907

Patent Pictures: [ 1 | 2 ]
Max Schwendner Pat. September 3, 1907
USPTO pdf tiff
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Description:
The adjustment is a toothed wedge that slides under a yoke. A leaf spring between the jaws holds them open.

Known examples are "PAT. APL'D / M. SCHWENDNER / READING, PA. U.S.A."

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