US Patent: 103,739 - Improvement in Tool-Holders


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US Patent: 103,739

Improvement in Tool-Holders

Patentee:

O. Hanks (exact or similar names) - Cincinnati, OH

USPTO Classifications:

30/289, 30/293, 451/370

Tool Categories:

industrial tools : tool holders

Assignees:

None

Manufacturer:

Unknown

Witnesses:

F. U. Stokes

Alex. Heilbrun

Patent Dates:
Granted:	May 31, 1870

Patent Pictures: [ 1 | 2 ]

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Description:

This is a small wheel that attaches to a chisel or plane blade, allowing it to "ride" on a sharpening stone or grinding wheel to maintain a specific angle.