Patent ID: 8196556

Claim:
A deactivating valvetrain member used in an internal combustion engine, comprising: a) a body having an axial bore, and having a first groove in said axial bore, said first groove defining a lower groove surface; b) a housing slidably disposed in said axial bore for axial displacement; c) a first biasing member urging said housing in a first axial direction; d) a locking mechanism for selectively limiting said axial displacement of said housing; e) a lash ring disposed in said first groove and having a first portion extending into said axial bore, said first portion configured to limit travel of said housing in said first direction, wherein a dimension of said first portion is selected to provide a predetermined amount of internal mechanical lash in said deactivating valve train member; and f) a second biasing member disposed adjacent said lash ring in said first groove for urging said lash ring against said lower groove surface in a second direction opposite said first direction.