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US Patent: 250,712
Circular sawing machine
Tilting-table saw
Patentee:
Henry J. Colburn (exact or similar names) - Fitchburg, MA

USPTO Classifications:
83/471.1, 83/473, 83/477.2, 83/552, 83/829

Tool Categories:
woodworking machines : circular saws : tablesaws

Assignees:
None

Manufacturer:
Baker Brothers - Toledo, OH
Herbert Baker Machine Works - Toledo, OH
Rollstone Machine Works - Fitchburg, MA

Witnesses:
Walter E. Lombard
E. A. Hemmenway

Patent Dates:
Applied: Apr. 20, 1880
Granted: Dec. 13, 1881

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Herbert Baker Machine Works
Vintage Machinery entry for Rollstone Machine Works
Description:
This is a double-arbor saw of the Wardwell type, i.e., with two arbors mounted on a rotating frame so that one blade can be raised above the table while the other is simultaneously lowered below the table.

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