Tube cutting tool

Claim 1

A TUBE CUTTING TOOL COMPRISING: A PLATFORM; AN APERTURE FORMED IN SAID PLATFORM; CLAMPING MEANS FOR HOLDING A TUBE, SAID CLAMPING MEANS BEING RECEIVED IN THE APERTURE IN SAID PLATFORM AND COMPRISING A BODY MEMBER HAVING A PASSAGE THERETHROUGH, SAID BODY MEMBER HAVING ONE END THEREOF PROJECTING THROUGH THE APERTURE IN SAID PLATFORM, RETAINING MEANS SECURED TO SAID ONE END OF SAID BODY MEMBER, COLLET MEANS IN THE PASSAGE IN SAID BODY MEMBER ADAPTED TO BE CONTRACTED ABOUT A TUBE, AND NUT MEANS ADJUSTABLY CARRIED ON SAID BODY MEMBER IN OPERATIVE ENGAGEMENT WITH SAID COLLET MEANS WHEREBY SAID COLLET MEANS MAY BE CONTRACTED TO SECURE A TUBE IN SAID BODY MEMBER, MEANS FOR SECURING SAID PLATFORM TO SAID CLAMPING MEANS FOR ROTATION THEREABOUT, CUTTING TOOL MEANS, MEANS SUPPORTING SAID CUTTING TOOL MEANS ON SAID PLATFORM FOR MOVEMENT RELATIVE TO SAID PLATFORM, SAID SUPPORTING MEANS INCLUDING A SHAFT ROTATABLY SUPPORTED ON SAID PLATFORM, SAID SHAFT HAVING THREADS OVER LEAST A PORTION OF ITS LENGTH TO IMPART LONGITUDINAL MOVEMENT TO SAID TOOL MEANS, A TOOL HOLDER OPERATIVELY CONNECTED TO SAID SHAFT AND SUPPORTING A TOOL, AND LONGITUDINAL GUIDE MEANS ON SAID PLATFORM SUPPORTING SAID TOOL HOLDER ON EITHER SIDE ALONG ITS LENGTH FOR MOVEMENT RELATIVE TO SAID PLATFORM.