Chipper disc and knife assembly

Details Chipper disc and knife assembly Chipper disc and knife assembly

1987-06-24

1988-09-20

Bray, W. Donald

Woodworking

Slicer

Rotary disk

241 92, 241298, 144241, B02C 712

Patent

active

047717181

ABSTRACT:
Chipper apparatus including a rotating disc with one or more knives mounted on the disc operable to produce wood chips under the cutting action of the knives. Each knife comprises an elongate knife body bounded by opposed cutting edges. The knife includes a back side formed by back knife surfaces extending inwardly on the knife from its cutting edges and the back knife surfaces meeting with a bearing surface. The front side of the knife includes front knife surfaces extending inwardly on the knife from its cutting edges joining with an elongate key-receiving channel indented inwardly into the knife body. A knife is mounted on a rotatable chipper disc through a clamp member which bears against the bearing surface of a knife and a counter-knife which supports the front side of the knife and which includes an elongate key portion fitting within the key-receiving channel of the knife.

REFERENCES:
patent: 3542302 (1970-11-01), Salzmann, Jr.
patent: 3785417 (1974-01-01), Vora
patent: 3981337 (1976-09-01), Sundstrom
patent: 4047670 (1977-09-01), Svensson
patent: 4503093 (1985-03-01), Demopoulos

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