Split rail parallel gripper

摘要

A wide-throw parallel-action gripper of the split-rail design is disclosed. The gripper includes a pair of preloaded linear bearings which engage the outward surfaces of each rail and two roller bearings spaced on either side of a pinion, all mounted onto a pinion shaft, which engage the inward sides of each rail. A single finger is mounted at opposed ends of each rail and an actuator is connected either to one of the rails or to the central pinion. The actuators can include a pneumatic cylinder of electrical stepping motors or D.C. servo motors.