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US Patent: 2,585,533
Internal grinding machine with automatic air gauge sizing
Patentees:
William F. Moore (exact or similar names) - Springfield, VT
Thor H. Ljunggren (exact or similar names) - Springfield, VT
William J. Bryant (exact or similar names) - Springfield, VT

USPTO Classifications:
200/61.45R, 451/143, 451/145, 451/15, 451/27, 451/6, 451/64, 451/8, 73/37.6

Tool Categories:
metalworking machines : grinders : cylindrical grinders

Assignees:
Bryant Chucking Grinder Co. - Springfield, VT

Manufacturer:
Bryant Chucking Grinder Co. - Springfield, VT

Witnesses:
Unknown

Patent Dates:
Applied: May 29, 1948
Granted: Feb. 12, 1952

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Bryant Chucking Grinder Co.
Description:
"This invention relates to internal grinding machines with automatic sizing mechanism, and has for an object to provide such a machine wherein the final size control is produced by an air gage sizing mechanism, such a mechanism being capable of extremely high accuracy."

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