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US Patent: 5,009
Wrench for turning nuts and screws
Ratchet-Wrench
Patentee:
Zelotes W. Avery - New Berlin, NY

USPTO Classifications:
81/185.1, 81/61

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Benjamin Webb - New Berlin, NY

Manufacturer:
Unknown

Witnesses:
Perry W. Clarke
Benjamin Clark, Jr.

Patent Dates:
Applied: Feb. 25, 1847
Granted: Mar. 13, 1847

Patent Pictures: [ 1 | 2 ]
Zelotes W. Avery patent March 13, 1847 -- including interchangeable ratchet heads
USPTO pdf tiff
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Description:
Heavy malleable iron ratchet wrench with open end wrench on the end of the handle. The patent describes the ratchet pawl action and interchangeable ratchet heads with different size internal openings. Known examples are marked "Webb Patent 1847". One known example includes size reducing inserts. Seldom found complete with a ratchet head.

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