Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...
Reexamination Certificate
2005-10-11
2005-10-11
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Comminuting surface provided with openings to permit...
C029S428000, C144S176000, C241S298000
Reexamination Certificate
active
06953167
ABSTRACT:
A wood chipper knife holder assembly for a power driven rotor head has at least one opening in its wood confronting surface for the knife holder assembly which includes a mount block. A counter-knife receiving surface opposite the wood confronting surface of the rotor head is provided on the mount block for a counter-knife and a reversible knife blade is received on the counter-knife. A clamp member secures to clamp the knife in a projecting cutting position. The clamp member and knife have transversely spaced openings and pins which permit 180° repositioning of the knife to present a fresh knife cutting edge, and the clamp member has a transverse surface for receiving the rearward cutting edge of the knife.
REFERENCES:
patent: 5271440 (1993-12-01), Bradstreet et al.
patent: 5501256 (1996-03-01), Dyer et al.
patent: 5820042 (1998-10-01), Robison
Morbark, Inc.
Reising, Ethington, Barnes, Kisselle & Learman, PC
Rosenbaum Mark
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