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US Patent: 221,805
Improvement in adjustments of planing-machine tables
Patentee:
Edward F. Gordon (exact or similar names) - Concord, NH

USPTO Classifications:
144/129

Tool Categories:
woodworking machines : cutter head machines : jointers

Assignees:
John A. White - Concord, NH

Manufacturer:
John A. White Co. - Concord, NH

Witnesses:
Charles C. Lund
Horatio Hobbs

Patent Dates:
Applied: Oct. 27, 1879
Granted: Nov. 18, 1879

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for John A. White Co.
Description:
This is a simple and ingenious mechanism for adjusting a jointer infeed table. The underside of the table has four "bearing plates" that support the table. These four plates are identical and have a convex (circular) underside. Each of those convex surfaces rests on a cylindrical rod fixed to the jointer base. The table is adjusted by a screw that moves the table horizontally toward or away from the cutterhead. As the table moves away from the cutterhead it also lowers because of the shapes of the bearing plates and their cylindrical supports.

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