Knife assembly for a chipper

Details Knife assembly for a chipper Knife assembly for a chipper

2003-02-13

2008-08-12

Self, Shelley (Department: 3725)

Woodworking

Slicer

Cylindrical cutter

C144S176000, C144S230000, C407S037000

Reexamination Certificate

active

07409972

ABSTRACT:
A knife assembly for a chipper, which is intended to be installed in the knife frame includes a counter knife, a reversible knife including two cutting bevel edges, and a clamp. In addition, the knife assembly includes securing devices for securing the clamp and at least one locking piece running parallel to the longitudinal axis of the reversible knife to prevent lateral movement of the reversible knife relative to the counter knife. The reversible knife, the counter knife, and the locking piece are arranged in such a way that the position of the reversible knife relative to the knife frame can be set as desired. The locking piece is also arranged to form a fixed part of the reversible knife or the counter knife, and the counter knife is fitted to the knife frame using shape-locking.

REFERENCES:
patent: 4669516 (1987-06-01), Carpenter et al.
patent: 4771718 (1988-09-01), Carpenter et al.
patent: 5271442 (1993-12-01), Carpenter et al.
patent: 5564967 (1996-10-01), Jorgensen
patent: 5996655 (1999-12-01), Cramond et al.
patent: 6722595 (2004-04-01), Frick et al.
patent: 100 00 330 (2001-07-01), None

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