Woodworking – Shaping machine – Heel forming
Patent
1991-10-28
1992-08-18
Bray, W. Donald
Woodworking
Shaping machine
Heel forming
144134R, 144136R, 144 1E, 144286R, 409182, B27C 500
Patent
active
051390612
ABSTRACT:
A device is disclosed which is designed to be mounted on a plunge router in such a manner that the turning of a crank may be used to adjust the elevation of the router with respect to the associated table. The device includes support columns designed to slidably mount through openings in the router handles and a crank mechanism within one of the support columns and which may be rotated to adjust the elevation of the router. In addition, a transparent insert may surround the router drive shaft beneath the router bit.
REFERENCES:
patent: 2799305 (1957-07-01), Groehn
patent: 3710833 (1973-01-01), Hammer et al.
patent: 3901275 (1975-08-01), Downing
patent: 4537234 (1985-08-01), Onsrud
patent: 4679606 (1987-07-01), Bassett
Bray W. Donald
Spiegel H. Jay
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