US Patent: 2,318,456 - Cutting chain sharpener


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US Patent: 2,318,456

Cutting chain sharpener

Patentee:

Arthur N. Blum (exact or similar names) - Philadelphia, PA

USPTO Classifications:

451/231, 451/273, 76/43, 76/80.5

Tool Categories:

metalworking machines : grinders : sharpening machines : bench or pedestal grinders

Assignees:

None

Manufacturer:

Henry Disston & Sons, Inc. - Philadelphia, PA

Kingston-Conley Electric Co. - North Plainfield, NJ

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 30, 1939
Granted:	May 04, 1943

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Kingston-Conley Electric Co.
Vintage Machinery entry for Henry Disston & Sons

Description:

An example is labeled "Henry Disston & Sons Inc. / Phila. U.S.A. / Patent 2,318,456 / Chain sharpener". A separate plaque says "A. C. motor / Kingston-Conley Electric Co.", along with the motor specs. We assume that Disston made the chain sharpener fixture and Kingston-Conley made the bench grinder.