Patent ID: 6446533
Filing Date: 2002-09-10
Classification: B23B,B23Q,Y10T

Abstract:
A lathe assembly comprising:a guide having a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a working position, the passageway having an upstream end and a downstream end; and a sensor assembly capable of detecting the position of the trailing end of the piece of bar stock by sensing the trailing end of the piece of bar stock through the upstream end of the passageway with the trailing end of the piece of bar stock within the guide passageway to thereby allow a user to determine if the piece of bar stock in the guide passageway has a length sufficient to perform a desired operation thereon, wherein the sensor assembly comprises a solid element that can be directed into the passageway to against the trailing end of the piece of bar stock.