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US Patent: 598,897
Combination Wrench
Patentee:
Casper Bickel (exact or similar names) - Shelburne Falls, MA

USPTO Classifications:
81/112

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry S. Rohrer
O. Seiffert
J. C. Winterhalder
Herbert A. Thorndike, Jr.

Patent Dates:
Applied: Jun. 17, 1897
Granted: Feb. 15, 1898

Patent Pictures:
Casper Bickel patent February 15, 1898
USPTO (New site tip)
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Description:
The specifications call this a combination nut and pipe wrench. On set of tongs type jaws is adjusted by a spring loaded slide. The second set of jaws are adjusted by shifting them against compression springs. Their adjustment is held by a toothed slide. They rest against auxiliary springs which give them some flexibility of movement.

The enclosing case includes storage space for supplemental tool bits which can be held by the first mentioned jaws.

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