Woodworking – Rotary cutter – Solid
Patent
1985-06-20
1986-12-16
Bray, W. D.
Woodworking
Rotary cutter
Solid
83840, 83842, 144117R, 144230, 407 53, B27G 1300
Patent
active
046289763
ABSTRACT:
A blade for use in shapers, planers, and the like for the shaping and surface finishing of wood. In contrast to prior art blade shapes wherein a sharpened cutting edge is scraped across the wood resulting in rapid wear of and damage to the blade, the present blade provides a cutting edge which enters the surface of the wood in a shallow chisel-like cutting action. The force on the point is along a line with maximum material behind it to prevent most damage to the cutting. The heel portion of the blade can provide a burnishing action on the surface of the wood so as to eliminate irregularities while, at the same time, resisting any frictional burning of the wood's surface.
REFERENCES:
patent: Re7021 (1876-03-01), Disston
patent: 54827 (1886-05-01), Woodrough
patent: 63024 (1867-05-01), Disston
patent: 177446 (1876-05-01), Adams
patent: 363753 (1887-05-01), Mahaffey
patent: 579383 (1897-03-01), Coyle
patent: 709786 (1901-04-01), Lloyd
patent: 725469 (1903-04-01), Miner
patent: 797947 (1905-08-01), Dilks
patent: 2239615 (1941-04-01), Melde
patent: 3803950 (1974-04-01), Wasser
patent: 4384600 (1983-05-01), Kivimaa
Bray W. D.
Jacobs Marvin E.
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