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US Patent: 1,169,377
Grinding-machine
Patentee:
Walter C. Barnhart (exact or similar names) - Seattle, WA

USPTO Classifications:
125/11.03, 451/424, 451/434

Tool Categories:
woodworking machines : bandsaws : bandsaw accessories

Assignees:
None

Manufacturer:
Armstrong Mfg. Co. (Portland) - Portland, OR

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 08, 1915
Granted: Jan. 25, 1916

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Armstrong Mfg. Co. (Portland)
Description:
The invention is a machine for grinding the faces of "pulleys or wheels". This is the genesis of the Barnhart Wheel Grinder which was used to true the faces of the wheels of band mills, which would be widely used in Northwestern sawmills. See patent 1,394,704 for a subsequent improvement by the inventor.

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