Stop limit means for dip stick closures

Claim 1

AN OIL LEVEL TESTING DIP STICK HAVING A CLOSURE BODY FOR SEALING THE OIL FILLER PIPE OF AN INTERNAL COMBUSTION ENGINE INCLUDING A RESILIENT COMPRESSIBLE STOPPER BODY HAVING AN AXIAL BORE THERETHROUGH, INNER AND OUTER COMPRESSION PLATES ENGAGING THE OPPOSITE ENDS OF SAID STOPPER BODY, THE OUTER COMPRESSION PLATE HAVING AN AXIAL OPENING IN ALIGNMENT WITH SAID AXIAL BORE, SAID INNER COMPRESSION PLATE BEING PROVIDED AT ITS AXIAL CENTER WITH AN INTERNALLY THREADED NUT, A ROD ROTATABLY MOUNTED IN THE OPENING OF THE OUTER COMPRESSION PLATE AND HAVING A REDUCED THREADED INNER END OF A SIZE AND CONFIGURATION TO BE RETHREADED INNER END OF A SIZE AND CONFIGURATION TO BE RECEIVED IN THE NUT OF SAID INNER COMPRESSION PLATE, THE OUTER END OF SAID ROD INCLUDING AN ENLARGED SHANK PORPORTION OF SAID ROD BEING CONTINUED BEYOND THE INNER COMPRESSION PLATE, A DIP STICK BODY SECURED TO THE INNER END TERMINATION OF SAID ROTATABLE ROD, A STOP LIMIT SLEEVE OF A GENERALLY CYLINDRICAL SHAPE POSITIONED IN SAID AXIAL BORE ADJACENT SAID INNER COMPRESSION PLATE AND ABOUT A RESPECTIVE PORTION OF SAID REDUCED THREADED ROD END, AND AN OPERATING HANDLE ON THE OUTER END OF THE ROD FOR TURNING THE SAME IN THE INNER COMPRESSION PLATE, WHEREBY UPON TURNING OF THE HANDLE IN ONE DIRECTION THE INNER COMPRESSION PLATE WILL BE DRAWN TOWARD THE OUTER COMPRESSION PLATE TO EXPAND SAID RESILIENT COMPRESSIBLE BODY AGAINST THE WALLS OF THE OIL FILLER PIPE AND WHEREBY THE OUTER END OF SAID STOP LIMIT SLEEVE WILL ENGAGE THE ENLARGED SHANK PORTION OF SAID ROD TO LIMIT THE MOVEMENT OF SAID INNER COMPRESSION PLATE.