A PITMAN OF A JAW CRUSHER, A JAW CRUSHER, A CRUSHING PLANT AND A CRUSHING METHOD.

摘要

A pitman of a jaw crusher (1; 1') comprising an upper part (2), which comprises an upper supporting point (3) for supporting the pitman in the body of the jaw crusher, and a lower part (4) comprising a lower supporting point (5) for supporting the pitman in the body of the jaw crusher through a toggle plate. The lower part (4) of the pitman (1; 1') comprises sidewalls (13) and honeycomb structure open to the crushing direction, which structure comprises one or more cross-sectional supports (15) reaching from the first sidewall of the pitman to the second sidewalk A jaw crusher (100), a crushing plant (200) and a method for increasing crushing capacity of mineral material.