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US Patent: 10,204
Machine for turning or cutting irregular forms
Patentee:
Nathaniel Gear - Zanesville, OH

USPTO Classifications:
144/145.1, 144/231

Tool Categories:
woodworking machines : cutter head machines : wood shapers

Assignees:
T. D. Scott - Unknown, MA
John M. Buell - Unknown, MA
John Gear - New Haven, CT
Alonzo S. Gear - New Haven, CT
New York Circular Molding Co. - New York, NY

Manufacturer:
Combination Molding and Planing Machine Co. - New York, NY
A. S. & J. Gear & Co. - New Haven, CT

Witnesses:
Fred D. Sturges
F. A. Seborn

Patent Dates:
Granted: Nov. 08, 1853

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for A. S. & J. Gear & Co.
"Vintage Machinery" entry for Combination Molding and Planing Machine Co.
Description:
Extended 1867-09-30 for 7 years. See also patent 86,605 and patent 99,446.

This patent is generally recognized as the genesis of the spindle shaper, although a handful of earlier patents embody essentially the same idea but for specialized uses (click on the "Tool Categories: shapers" to see a list of early spindle shaper patents). Spindle shapers have a couple of advantages over molding machines. Most importantly, they can easily create curved moldings. Outside curves can be of any desired radius; inside curves, of course, cannot be of smaller radius than the cutterhead.

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