US Patent: 985,473 - Blade-truing device


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US Patent: 985,473

Blade-truing device

Patentee:

John R. Thomas (exact or similar names) - St. Louis, MO

USPTO Classifications:

451/419, 451/423, 451/552

Tool Categories:

woodworking machines : woodworking machine parts or accessories : woodworking machine sharpening mechanisms

Assignees:

Hall & Brown Wood Working Machine Co. - St. Louis, MO

Manufacturer:

Hall & Brown Wood Working Machine Co. - St. Louis, MO

Witnesses:

C. Aug. Grote

Frank J. Quertermus

Patent Dates:
Applied:	Aug. 01, 1910
Granted:	Feb. 28, 1911

Patent Pictures:

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Vintage Machinery entry for Hall & Brown Wood Working Machine Co.

Description:

"My invention relates to improvements in the means of grinding or truing the series of knives or cutters disposed in the rotating holder or cutter-head employed in the type of wood-working machine termed a planer."