Patent ID: 8070081

Claim:
In a crusher/classifier of the type comprising a table for receiving material to be crushed, a plurality of rollers contacting the surface of the table, and an adjustable suspension system including one or more suspension springs and an adjuster mechanism for setting the desired pressure to be exerted by the rollers on the table by way of said one or more suspension springs during operation, the improvement which comprises: one or more load cell force transducers connected into the adjustable suspension system for at least one roller for producing electrical signals representing the actual pressure exerted by that roller on material on the table during operation of the crusher/classifier; said suspension comprising a spring carriage and a plurality of rods grounding the carriage, a plurality of clevis anchors, said load cell transducers comprising force transducer pins extending through said clevises to be anchored thereby, said rods incorporating adjuster mechanisms and being mechanically attached to said load cell pins to apply a strain to said pins representing roller pressure.