Reconfigurable debarker head

Details Reconfigurable debarker head Reconfigurable debarker head

1991-07-25

1993-04-13

Bray, W. Donald

Woodworking

Rotary cutter

Arranged in a pattern

144208F, 144237, 144241, 172549, 407 31, B27G 1312

Patent

active

052013537

ABSTRACT:
A debarker head for use in a rotary tree debarking machine has a drive shaft with a polygonal cross sectional shape and a plurality of substantially similar cutting elements with mounting apertures corresponding to the drive shaft shape and sized for slip fit engagement of the cutting elements on the drive shaft so that the cutting elements may be mounted to the drive shaft at a number of rotational positions relative to the drive shaft. Further, the cutting elements have a plurality of arms with cutting knives. The number of arms of at least some of the cutting elements is not an integer multiple of the number of sides of the mounting aperture so that a variety of cutting knife arrangements for debarking various species of logs using the same head may be obtained by adjusting the rotational position of the cutting elements relative to the drive shaft. This design of debarker head can be repaired in the field.

REFERENCES:
patent: 948820 (1910-02-01), Mosher
patent: 2197549 (1940-04-01), Hargrave et al.
patent: 2558822 (1951-07-01), Claus
patent: 2936659 (1960-05-01), Garberding
patent: 2985206 (1961-05-01), Letts
patent: 3005576 (1961-10-01), Trautmann et al.
patent: 3766988 (1923-10-01), Whitesides
patent: 3986543 (1976-10-01), Slayton et al.
patent: 5070920 (1991-12-01), Morey
Drawing, showing an exploded perspective view of a debarker head with a square shaft. Author: Theodore C. Weill, prior Aug. 1989.

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