US Patent: 426,161


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US Patent: 426,161

Wrench

Patentee:

Charley Calven Augustine (exact or similar names) - Muscatine, IA

USPTO Classifications:

81/58.4

Tool Categories:

wrenches : nut wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Oct. 09, 1889
Granted:	Apr. 22, 1890

Patent Pictures:

Charley C. Augustine patent April 22, 1890

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Description:

Interchangeable heads, each capable of fitting several sizes of nuts. The handle must be disassembled to change heads. The spring-loaded lever operates a pin that fits holes in the circumference of the interchangeable heads. Disengaging the pin from the head allows the head to rotate.