Crusher apparatus

Details Crusher apparatus Crusher apparatus

1996-02-23

1997-09-09

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

24110173, B02C 106

Patent

active

056647344

ABSTRACT:
A crusher having a bracket pivotally mounted on a free end of an arm of a civil engineering machine, a frame having a pair of support plates and rotatably mounted on the bracket, a lock arm having a pair of arm plates and pivotally mounted between the pair of support plates, the lock arm carrying at one end thereof a crushing jaw, a movable arm mounted between the arm plates of the lock arm so as to be pivotable about a first axis that is nearer to the tip of the arm than a second axis about which the lock arm pivots, a trunnion type drive cylinder mounted between the arm plates for pivoting the movable arm toward and away from the crushing jaw, the drive cylinder having pivots arranged on the second axis and pivotally supporting the lock arm, and a fixing means for fixing the lock arm to the frame at both ends of the pivoting motion of the pivot shaft about the second axis. The ends are separated a predetermined angle from each other.

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