Pull-out retainer for hydraulic lash adjuster

Claim 1

A RELEASABLE RETAINER ASSEMBLY IN A HYDRAULIC LASH ADJUSTOR HAVING A HOLLOW BODY WITH AN INNER PERIPHERY AND AN OPEN END, A PLUNGER-PILLAR UNIT INCLUDING PLUNGER PORTION IN SAID BODY AND A SUPPORT PILLAR PORTION PROJECTING FROM SAID PLUNGER PORTION OUT SAID OPEN BODY END; SAID RELEASABLE RETAINER ASSEMBLY HAVING A RETAINER RECEIVING GROOVE IN SAID BODY INNER PERIPHERY AND A RADIALLY COLLAPSIBLE RETAINER HAVING AN INHERENT RADIALLY OUTWARD BIAS NORMALLY HOLDING IT IN SAID GROOVE; THE IMPROVEMENT COMPRISING: SAID PLUNGER-PILLAR UNIT HAVING A PERIPHERAL SHOULDER ADJACENT TO AND AXIALLY ENGAGEABLE WITH SAID RETAINER WHEREBY SAID PLUNGER PORTION OF SAID UNIT IS NORMALLY RETAINED IN SAID BODY BY SAID RETAINER; AND SAID SHOULDER, RETAINER, AND GROOVE BEING INTERFIT AND CONFIGURATED IN A MANNER THAT AXIAL PULLING FORCE ON SAID PILLAR PORTION, OUTWARDLY OF SAID BODY, CAUSES DIAMETRAL COLLAPSE OF SAID RETAINER BY SAID SHOULDER AND GROOVE TO RELEASE SAID PLUNGER-PILLAR UNIT FOR REMOVAL FROM SAID BODY.