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US Patent: 2,076,508
Oscillating grinder
Patentee:
Frederick D. Van Norman (exact or similar names) - Springfield, MA

USPTO Classifications:
451/227

Tool Categories:
metalworking machines : grinders

Assignees:
Van Norman Machine Tool Co. - Springfield, MA

Manufacturer:
Van Norman Machine Tool Co. - Springfield, MA

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 09, 1936
Granted: Apr. 06, 1937

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Van Norman Machine Tool Co.
Description:
Grinder adapted to grinding spherical bearing races, which create higher forces against the grinding wheel.

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