Cutterhead for a power planer

Details Cutterhead for a power planer Cutterhead for a power planer

1987-06-15

1988-06-07

Bray, W. Donald

Woodworking

Rotary cutter

Polygonal rotary cutter having plane bit seat

30475, 144117C, B27C 110, B27G 1304

Patent

active

047490144

ABSTRACT:
A cutterhead for a power planer has an elongated core with threaded holes for releasably mounting a pressure plate with a cutting blade being clamped between the pressure plate and the core. The core has a support surface contacted by the cover portion, a contact surface contacted by the pressure plate, and a transition surface therebetween. The support surface is inclined to the contact surface at a angle of more than 180 degrees and less than 270 degrees. This arrangement helps compensate for tolerances associated with the securing screws, and reduces any tendency for imbalance in the cutterhead when rotating. A pair of cover portions may support opposite sides of the cutting blade adjacent its cutting edge. The cutting blade may be a profile blade.

REFERENCES:
patent: 1397014 (1921-11-01), Oliver
patent: 4066111 (1978-01-01), Klebe
patent: 4280542 (1981-07-01), Alessio et al.
patent: 4347882 (1982-09-01), Bachmann
patent: 4382729 (1983-05-01), Bachmann

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