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U. Emmons, Wood Planing Machine, Patented, April 25, 1829. PAtent No. 5467X. Top: Patent sheet. Below: Detail, rotated.

According to Jones (Planers, Matchers & Molders in America by Chandler W. Jones) Uri Emmons built a carriage-fed planer in 1824. The planer used knives mounted on rotating disks, and cut on both the forward and reverse travel of the carriage. It was, incredibly, hand-powered, and was known locally as the "Flim-Flam," which isn't surprising given the limited performance that could be expected from a hand-powered machine of this size.

Emmons received patent no. X5,467 in 1829 for his wood planing machine. According to an 1852 article in Scientific American, Emmons's design was superior to the 1828 Woodworth design, and in fact Woodworth's son had his father's patent reissued in 1845, incorporating Emmons's improvements. Check out patent no. RE71 for some wonderfully clear drawings of this machine. It is not clear whether Woodworth (or his estate) bought out Emmons, or whether they simply used his ideas once the Emmons patent had expired.

Jones, Chandles. Milestones in Machining of Wood, Industrial Strength Woodworking.

 

 
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