Device for use in wood chippers

Details Device for use in wood chippers Device for use in wood chippers

1983-04-14

1985-10-08

Bray, W. D.

Woodworking

Slicer

Rotary disk

51285, 144114A, 144241, 144359, B27C 100

Patent

active

045454132

ABSTRACT:
Device for use in connection with wood chippers of the type comprising a rotary disc (15) whereof one face is fitted with substantially radially positioned knives (1) which are attached thereto by means of knife holders (2) incorporating a log guiding surface. To give a twisted form to one face of the knife holders (2) the latter are fabricated by surface grinding of the log guiding face while the knife holder (2) is clamped in a grinding fixture (20) in a state of torsion which, after removal from the grinding fixture, gives the desired twisted shape to the log guiding face. After removal from the grinding fixture (20) the knife holder (2) is clamped in a torsion-free state in the chipping disc (15).

REFERENCES:
patent: 4047670 (1977-09-01), Svensson
patent: 4298044 (1981-11-01), Hansel et al.

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