MOVABLE-JAW CRUSHER FOR RUBBLE AND SIMILAR

摘要

A movable-jaw crusher (1) for rubble and similar, having two facing crushing jaws (4, 5), and jaw actuating means (6) for moving the crushing jaws (4, 5) cyclically against each other to crush the material trapped between the jaws; at least one (5) of the crushing jaws (4, 5) having a rear supporting structure (9), a flat front plate (8) resting on the rear supporting structure (9), and a locking device (15) for securing the flat front plate (8) firmly to the corresponding rear supporting structure (9); the rear supporting structure (9) having a flat supporting structure (13), on which the flat front plate (8) rests; and the locking device (15) having at least two projecting appendixes (16) projecting from the rear face of the flat front plate (8) and sized to engage an equal number of through openings (17) formed in the body of the flat supporting structure (13); and a bolt locking member (18) movable on the surface of the rear face of the flat supporting structure (13) to engage a facing projecting appendix (16).