Reversible knife assembly for wood chipper

Details Reversible knife assembly for wood chipper Reversible knife assembly for wood chipper

1987-09-21

1988-11-15

Hall, Carl E.

Solid material comminution or disintegration

Apparatus

Comminuting surface provided with openings to permit...

144176, 144241, B02C 1818

Patent

active

047843373

ABSTRACT:
A chipper for cutting uniform chips from a log having a rotating disc containing a plurality of radially disposed cutting stations, each having a knife assembly positioned adjacent a chip slot. Each knife assembly has an elongated cassette having a knife receiving recess formed in the top front surface thereof. A reversible knife is located in the recess by means of a key and is held in place by a retaining bar so that one cutting edge of the knife is accurately positioned at the entrance to the chip slot. Reversing the knife in the cassette after the first edge becomes dulled similarly positions the second cutting edge. Preferably, a plurality of knives are mounted end to end in the cassette.

REFERENCES:
patent: 4503893 (1985-03-01), Demopoulos
patent: 4694995 (1987-09-01), Holmberg et al.

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