Fluid motor

Claim 1

A FLUID OPERATED CYLINDER COMPRISING, IN COMBINATION, A TUBE, A FIRST HEAD SEALINGLY MOUNTED ON ONE END OF SAID TUBE, SAID HEAD HAVING A FLOW PATH FOR A FLUID THERETHROUGH, A VALVE SLEEVE HAVING ON END CONNECTED TO THE FIRST HEAD IN COMMUNICATION WITH THE FLOW PATH IN SAID HEAD, SAID VALVE SLEEVE HAVING AN ESCAPE PORT IN ONE END ADJACENT TO THE FIRST HEAD, A VALVE TOP SEALINGLY ENGAGEABLE WITH THE OTHER END OF THE VALVE SLEEVE, SAID VALVE TOP HAVING AN APERTURE CONTAINING THEREIN FOR CONNECTION TO A FLUID SOURCE, A SLIDING VALVE BODY SEALINGLY AND SLIDEABLY MOUNTED IN THE VALVE SLEEVE, SAID VALVE BODY HAVING AN AXIAL APERTURE CONTAINED THEREIN TO ALLOW FLUID TO FLOW THROUGH THE VALVE BODY, A SEAL MOUNTED IN ONE END OF THE SLIDING VALVE BODY SEALINGLY ENGAGEABLE WITH THE FIRST HEAD, A SPRING MOUNTED IN THE VALVE SLEEVE URGING THE VALVE BODY INTO SEALING ENGAGEMENT WITH THE FIRST HEAD, A SPRING LOADED BALL CHECK MOUNTED IN THE VALVE BODY TO PREVENT FLOW OF FLUID IN A DIRECTION FROM THE FIRST HEAD TOWARD THE VALVE TOP, A SECOND HEAD MOUNTED ON THE OTHER END OF SAID TUBE, A PISTON SEALINGLY AND SLIDEABLY MOUNTED IN SAID TUBE AND BEING AXIALLY MOVABLE BETWEEN SAID HEADS, A ROD HAVING ONE END CONNECTED TO SAID PISTON AND BEING AXIALLY MOVABLE IN SAID AXIAL APERTURE OF THE FIRST HEAD, SAID ROD HAVING AN ANNULAR LOCK GROOVE FORMED IN ITS OUTER PERIPHERY, A LOCK TUBE FIXED TO THE FIRST HEAD AND BEING CONCENTRIC WITH THE ROD AND SEALINGLY AND SLIDEABLY ENGAGING THE ROD AND SEALINGLY AND SLIDEABLY ENGAGING THE LOCK TUBE, A PLURALITY OF LOCK BALLS IN ENGAGEMENT WITH THE ROD AND BEING POSITIONABLE IN THE ANNULAR LOCK GROOVE TO BE LOCKED IN SAID GROOVE BY THE LOCK SLEEVE, A LOCK SLEEVE STOP MOUNTED WITHIN THE LOCK TUBE AND BEING HELD IN ONE DIRECITON, AND A LOCK SPRING POSITIONED BETWEEN THE LOCK SLEEVE AND THE LOCK STOP CONSTANTLY URGING THE LOCK SLEEVE TOWARD THE FIRST HEAD, WHEREBY FLUID UNDER PRESSURE ENTERS THE VALVE TOP AND DISPLACES THE BALL CHECK IN THE VALVE BODY TO FLOW THROUGH THE FLUID FLOW APERTURE IN THE VALVE BODY AND PASS THROUGH THE AXIAL PATH OF THE FIRST HEAD TO APPLY A FORCE THROUGH THE AXIAL TO DISENGAGE THE LOCK BALLS AND TO APPLY A FORCE TO THE PISTON TO MOVE THE PISTON AND ROD RELATIVE TO THE HEAD, AND RELEASE OF THE PRESSURE ALLOWS PRESSURE BUILT UP IN THE TUBE TO CLOSE THE BALL CHECK VALVE AND TO MOVE THE SLIDING VALVE BODY RELATIVE TO THE VALVE SLEEVE TO ALLOW FLUID TO EXHAUST THROUGH THE EXHAUST PORT.