Cylindrical cutter head

Details Cylindrical cutter head Cylindrical cutter head

1989-01-12

1989-07-25

Bray, W. Donald

Woodworking

Rotary cutter

Having slotted bit seat

144174, 407 49, B27G 1304, B26D 112

Patent

active

048504068

ABSTRACT:
A cylindrical cutter head for a wood planing machine has mounted in its cumference a number of disposable knife blades which are clamped in place with the help of centrifugal wedges in lengthwise grooves. Between each disposable knife blade and each centrifugal wedge there is positioned a bracket of L-shaped profile consisting of a base strip which is immovably attached to the cutter head body and a clamping strip bearing against the knife blade, this clamping strip being elastically deformable to a small extent. By means of a conformal relation of a profiled region of the disposable knife blade with a corresponding profiled region of the clamping strip, the disposable knife blade is held firmly in position when clamped in. After loosening of the centrifugal wedge, the disposable knife blade can be easily withdrawn in a lengthwise direction and can be replaced with accurate positioning.

REFERENCES:
patent: 3014511 (1961-12-01), Kirsten
patent: 3854511 (1974-12-01), Maier
patent: 3957094 (1976-05-01), Maier
patent: 3989077 (1976-11-01), Humbert
patent: 4068694 (1978-01-01), Schmidt et al.
patent: 4194545 (1980-03-01), Kostermeier

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