US Patent: 513,594


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US Patent: 513,594

Wrench

Patentee:

William A. Papoun (exact or similar names) - Baker City, OR

USPTO Classifications:

81/143

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Apr. 17, 1893
Granted:	Jan. 30, 1894

Patent Pictures:

William A. Papoun patent January 30, 1894

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Description:

Sliding wedge pieces in the sides of the movable jaw engage rack teeth in the sides of the shank to hold the adjustment. The wedge pieces slide in slots that angle inward.