Knife fixing method

Details Knife fixing method Knife fixing method

2007-11-13

2007-11-13

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting mounting means, frames or other normally...

C029S428000, C241S294000

Reexamination Certificate

active

10547090

ABSTRACT:
The present invention concerns a method for fixing a knife in wood chipper apparatuses over the whole knife length between two steady surfaces. The fixing force is developed by means of a roller chain located between two counter surfaces and reversing its direction at each of its couplings, the roller chain having stationary end rollers and intermediate rollers at the couplings, the intermediate rollers rolling during the press movement in the longitudinal direction of the chain. An external force is applied to the roller chain, the force changing its direction at the touching points of the rollers, so that the force applied to the roller chain affects to multiple points of the counter surfaces thus forming a prominent total pressing force.

REFERENCES:
patent: 5129437 (1992-07-01), Nettles et al.
patent: 5444904 (1995-08-01), Kokko
patent: 5820042 (1998-10-01), Robison
patent: 6056030 (2000-05-01), Jonkka
patent: 198 04 103 (1999-08-01), None
patent: 525010 (1940-03-01), None

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