Patent ID: 7559759
Filing Date: 2009-07-14
Classification: B26D,B29C

Abstract:
1. A trim press article ejector, comprising: a support base: a linear actuator carried by the base having at least one elongate rack and complementary pinion gear, the rack is supported for axial reciprocation via a linear raceway having teeth provided lengthwise along the rack, and wherein the pinion gear comprises complementary teeth configured to engage with the teeth on the rack; at least one article ejector carried by the linear actuator for axial movement to-and-fro; and a drive mechanism having a servo drive motor, the servo drive motor configured to rotate the pinion gear and configured to reciprocate the linear actuator to move the at least one article ejector to-and-fro; and a pair of inductive electromagnetic sensors provided spaced apart on one of the rack and the base, and a ferrous element affixed to another of the rack and the base for each of the sensors and at a location detectable by the respective sensor and configured to detect an axial position of the at least one article ejector.