Woodworking – Planer – Rotary cylindrical cutter
Patent
1999-08-05
2000-11-21
Bray, W. Donald
Woodworking
Planer
Rotary cylindrical cutter
1442521, 409137, B27C 100, B27G 1900
Patent
active
061488798
ABSTRACT:
A wood planing machine includes a base, a carriage mounted on the base and having a top surface, a rotary cutter mounted on the carriage, a shaving discharge plate overlying the top surface of the carriage to confine a shaving passageway and having a plurality of openings, a driving unit connected to the rotary cutter and having a ventilation outlet, and a guide casing mounted on the shaving discharge plate to confine therewith an air duct. The air duct has a tapered inlet connected to and in communication with the ventilation outlet, and a plurality of channels which extend divergingly inside the air duct from the tapered inlet to the openings of the shaving discharge plate.
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patent: 4932449 (1990-06-01), Omoto
patent: 5007469 (1991-04-01), Englert et al.
patent: 5143128 (1992-09-01), Chen
patent: 5176478 (1993-01-01), Munch
patent: 5815934 (1998-10-01), Eichberger et al.
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