Patent ID: 7182009

Claim:
A material cutting apparatus comprising: a feed conveyor; a machine tool adjacent to the feed conveyor; a shuttle vise movably disposed on the feed conveyor, the shuttle vise being adapted for clamping a workpiece on the feed conveyor when in a clamping position and moving the workpiece to a cutting position adjacent to the machine tool; and an adjustable stop on the feed conveyor for continuously adjusting a distance between the stop and the shuttle vise and stopping the shuttle vise at the cutting position, wherein the adjustable stop is adapted for adjusting the distance in an amount approximately equal to movement of the shuttle vise caused by clamping the workpiece, the adjustable stop comprising: a sleeve; a shaft having an end with a face thereon directed toward the shuttle vise, the shaft being threadedly connected to the sleeve such that rotation of the shaft varies the distance between the face and the shuttle vise; and a prime mover for rotating the shaft.