US Patent: 1,713,038


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Wrench

Patentee:

Amos K. Ersland (exact or similar names) - Manhattan, CA

USPTO Classifications:

81/136, 81/97

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	May 25, 1927
Granted:	May 14, 1929

Patent Pictures:

Amos K. Ersland patent May 14, 1929

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Description:

The rocking jaw has rack teeth that engage teeth on the movable jaw. Rocking the jaw as shown in the drawings allows the movable jaw to slide. The body of the wrench is formed from bent sheet metal with a filler block in the handle. The structure of the wrench allows for use as a pipe or nut wrench.