Jaw crusher

Details Jaw crusher Jaw crusher

1992-05-01

1992-12-22

Watts, Douglas D.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241265, B02C 2302

Patent

active

051728699

ABSTRACT:
A jaw crusher with a pass-through preventing device which prevents a flat plate-shaped object from passing through without being crushed. Also disclosed is a jaw crusher with a tooth plate structure which is capable of effectively crushing a non-rigid object, for example, a lump of asphalt, without causing such an object to stick to the area between a cheek plate and a fixed tooth plate or a movable tooth plate. The jaw crusher comprises a plurality of forks which are provided at the lower end of a crushing space to prevent a plate-shaped object from passing through the crushing space without being crushed, and a fork shaft which is provided with one end of each fork and which is rotatably provided on the crusher body. The movable tooth plate is provided with cutting projections. A plate-shaped object is first broken by the cutting projections and then crushed by intermediate projections.

REFERENCES:
patent: 4406416 (1983-09-01), Tateishi
patent: 4679742 (1987-07-01), Ellis

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