US Patent: 1,208,852 - Adjusting Cutter


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US Patent: 1,208,852

Adjusting Cutter

Patentee:

William C. Sproul (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:

409/131, 409/213, 409/218

Tool Categories:

metalworking machines : milling machines

Assignees:

Ingersoll Milling Machine Co. - Rockford, Winnebago County, IL

Manufacturer:

Ingersoll Milling Machine Co. - Rockford, Winnebago County, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 28, 1915
Granted:	Dec. 19, 1916

Patent Pictures:

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Vintage Machinery entry for Ingersoll Milling Machine Co.

Description:

"...The liability of error in the adjustment of one cutter head is, of course, multiplied when the machine comprises a number of cutter heads arranged to operate upon a single surface, as, for instance, when the mahine is used to mill the top of an automobile crank case, the cutters being set to produce by their conjoint action and absolutely flat surface. My present invention aimed to provide a method of adjustment by which the cutters may be adjusted with absolute accuracy and precision to produce perfect results on the articles operated upon."