US Patent: 431,139 - Machine for dressing the teeth of gear-wheels


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US Patent: 431,139

Machine for dressing the teeth of gear-wheels

Patentee:

Willard Curtiss (exact or similar names) - Grand Rapids, MI

USPTO Classifications:

409/52, 409/56, 451/120, 82/128

Tool Categories:

metalworking machines : gear making machines

Assignees:

William H. Powers - Grand Rapids, MI

William T. Powers - Grand Rapids, MI

Manufacturer:

Michigan Iron Works - Grand Rapids, MI

Witnesses:

William H. Powers

Dennis L. Rogers

Patent Dates:
Applied:	Apr. 19, 1890
Granted:	Jul. 01, 1890

Patent Pictures:

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Vintage Machinery entry for Michigan Iron Works

Description:

This machine is intended for dressing gear teeth in place, rather than for manufacturing gears. The assignees were the owners and operators of the Michigan Iron Works.