US Patent: 54,036 - Improved Cutter Grinder


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US Patent: 54,036

Improved Cutter Grinder

Patentee:

N. F. Stone (exact or similar names) - Chicago, IL

USPTO Classifications:

451/370

Tool Categories:

woodworking machines : specialty woodworking machines : tool making machines

Assignees:

None

Manufacturer:

Unknown

Witnesses:

E. Stone

M. E. Stone

Patent Dates:
Granted:	Apr. 17, 1866

Patent Pictures:

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Description:

Used to enable sawyers to grind their cutters with a uniform bevel. Patent utilizes a spring to hold the cutter shaft and prevent rotation except in one direction.

Henry Disston later claimed improvement of this patent under his patent No. 79213