Insert teeth for a material breaker machine

Details Insert teeth for a material breaker machine Insert teeth for a material breaker machine

1990-06-22

1992-03-31

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Comminuting elements

144230, B02C 1818

Patent

active

051000709

ABSTRACT:
Improved insert teeth and holder assemblies are provided for a material breaker machine intended for use in reducing chunks or pieces of wood, metal and other materials to small size. The present invention includes an insert tooth member having a pair of edges, either of which may serve as a cutting edge. An insert tooth holder is provided for mounting of the insert tooth. The insert tooth and insert holder interengage through a raised portion on the one and a recessed portion on the other which mate to form a positive mechanical lock. The insert tooth is reversibly mounted on the insert holder to allow either of the pair of edges to assume the position of the cutting edge. The location of the interengaged components allows them to be fully protected from the material being cut, thus minimizing wear and damage. In one embodiment, the insert tooth is inclined at an angle with respect to the insert holder, thus providing relief against back-up of material being processed and allowing the material to feed more quickly.

REFERENCES:
patent: 133111 (1872-11-01), Mitchell
patent: 2874912 (1959-02-01), Sennsholtz et al.
patent: 4162770 (1979-07-01), Lewis
patent: 4826090 (1989-05-01), Orphall

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