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US Patent: 2,603,116
Spiral Actuated Slidable Jaw End Wrench
Patentees:
Guido F. Schlote - Milwaukee, WI
Richard C. Winter - Milwaukee, WI

USPTO Classifications:
81/165

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

Assignees:
De Pere Tool Products, Inc. - De Pere, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 12, 1950
Granted: Jul. 15, 1952

Patent Pictures:
Guido F. Schlote and Richard C. Winter patent July 15, 1952
USPTO pdf tiff
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Description:
The main features of the wrench are the absence of bevel gears, and a body composed of castings brazed together -- the castings are formed so that further machining is not necessary.

The specifications cite several patents as references: numbers 1,309,680, 1,354,782, 1,391,180, 1,739,182, 1,915,396, 2,322,550, 2,447,094, and 2,293,866.

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