Woodworking router

Details Woodworking router Woodworking router

1987-04-27

1988-05-10

Bray, W. Donald

Woodworking

Cutter hood or dust conveyor

With sifter, sorter, or separator

409137, 144134D, B27G 7100, B23C 502

Patent

active

047428554

ABSTRACT:
A woodworking router has an electric motor driven router head (12) surrounded by a dust collection collar (20). Pneumatic means (26) control the height of the collar relative to the router head between (a) a raised position exposing the router head for tool changing; (b) a lowered safety position in which the collar provides a safety guard around the router head; and (c) an even lower scavenge position for cleaning the worktable without routing. A factory dust collection duct is connected to a dust extraction duct mounting the collar for establishing an air flow over the electric motor (10) for motor cooling.

REFERENCES:
patent: 3786846 (1974-01-01), Mehring
patent: 3837383 (1974-09-01), Ko
patent: 3880047 (1975-04-01), Dosier
patent: 4051880 (1977-10-01), Hestily
patent: 4200417 (1980-04-01), Hager et al.
patent: 4244669 (1981-01-01), Puritz et al.
patent: 4397342 (1983-08-01), North

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