US Patent: 1,612,830 - Grinding machine


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US Patent: 1,612,830

Grinding machine

Patentee:

Carl G. Olson (exact or similar names) - Chicago, IL

USPTO Classifications:

451/119, 451/143, 451/148, 451/15, 451/219, 451/275, 82/148

Tool Categories:

metalworking machines : gear making machines : gear hobbing machines

metalworking machines : grinders : gear grinding machines

Assignees:

Illinois Tool Works - Chicago, IL

Manufacturer:

Illinois Tool Works - Chicago, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 14, 1922
Granted:	Jan. 04, 1927

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Illinois Tool Works

Description:

This machine grinds gear teeth by means of hobbing, i.e., a continuous helical tooth profile is provided on the periphery of the grinding wheel and then the gear blank is fed in synchrony with the rotation of the grinding wheel.

This patent was referenced in patent 2,607,175, which offers refinements to this patent's approach.