Oleo shock absorber for automotive vehicles and the like

Claim 1

AN OLEO SHOCK ABSORBER COMPRISING, IN COMBINATION, A STRUT INCLUDING A CYLINDER AND A COAXIAL PLUNGER, SAID CYLINDER HAVING A CLOSED END AND AN OPEN END; COVER MEANS SEALINGLY RECEIVED IN SAID OPEN END AND HAVING A BORE FOR PERMITTING RECIPROCATION OF SAID PLUNGER INWARDLY TOWARD AND OUTWARDLY AWAY FROM SAID CLOSED END; A SUCTION PIPE IN SAID CYLINDER LOCATED BETWEEN SAID CLOSED END AND SAID COVER MEANS, SAID PIPE RECIPROCABLY RECEIVING A PORTION OF AND DEFINING AN ANNULAR SPACE WITH SAID PLUNGER, AND HAVING A FLANGE SEALINGLY FIXED TO SAID CYLINDER WHEREBY SAID FLANGE AND SAID CLOSED END DEFINE A PRESSURE CHAMBER IN SAID CYLINDER; A PISTON CONNECTED FOR MOVEMENT WITH SAID PLUNGER AND SLIDABLY RECEIVED IN SAID SUCTION PIPE FOR AT LEAST PARTIALLY SEALING SAID CHAMBER FROM SAID SPACE WHEN THE PLUNGER ASSUMES A NEUTRAL POSITION IN WHICH THE PRESSURE IN SAID CHAMBER EQUALS THE PRESSURE IN SAID SPACE; A PRESSURE FLUID FILLING SAID CHAMBER; A FLUID RESERVOIR IN SAID CYLINDER OUTWARDLY ADJACENT TO SAID COVER MEANS AND SEALED FROM SAID SPACE WHEN THE PLUNGER IS IN SAID NEUTRAL POSITION; SEALING MEANS SURROUNDING SAID PLUNGER FOR PREVENTING LEAKAGE OF FLUID FROM SAID SPACE; ONE-WAY VALVE MEANS IN SAID COVER MEANS FOR PERMITTING THE FLOW OF FLUID FROM SAID RESERVOIR INTO SAID SPACE IN RESPONSE TO A PRESSURE DROP DEVELOPING IN SAID SPACE WHEN THE PLUNGER MOVES IN ONE DIRECTION FROM SAID NEUTRAL POSITION; AND SECOND VALVE MEANS FOR PERMITTING THE FLOW OF FLUID FROM SAID SUCTION PIPE INTO SAID CHAMBER IN RESPONSE TO A PRESSURE RISE DEVELOPING IN SAID SPACE WHEN THE PLUNGER MOVES IN THE OTHER DIRECTION FROM SAID