An adjustable armrest for a vehicle seat comprising an armrest housing pivoted on a seat back frame and a pair of locking elements in the housing, one of which is adjustable and the other being fixed. A seat back stop is engageable with the adjustable locking element. A seat occupant, using an armrest release mechanism, may adjust the relative positions of the locking elements to change a desired active position of the armrest. A memory feature permits return of the armrest to the desired active position from an upright stowed position.

An adjustable headrest assembly for a vehicle seat is disclosed. The assembly has a portion fixed to a seat frame and an adjustable portion that moves relative to the fixed portion on a circular arcuate path under spring forces. Relative movement is triggered by a vehicle rear crash event.

A folding tray assembly is provided and includes a support member and a tray member, whereby the tray member is pivotably supported by the support member and moveable relative thereto between a use position and a stowed position. The folding tray assembly further includes a locking mechanism operable to selectively lock the tray member to the support member in one of either the use position or the stowed position. The locking mechanism is housed within the tray member such that the mechanism is not visible or accessible by an occupant, but rather remotely actuated by a handle or lever. In addition, the tray assembly eliminates external supports by providing support within the tray member, thereby providing an open space below the tray member and giving the tray assembly a generally L-shape in the use position.

A cage-nut assembly includes a nut positioned within a cage structure. The cage structure is configured to provide high torsional strength to prevent rotation of the nut. The cage structure has a flat base and an at least partially open end portion. The cage structure includes a blocking member preventing the nut from moving laterally along the base through the at least partially open end portion. The blocking member is relatively structurally weak in a direction orthogonal to a torsional rotation direction of the nut. The structurally weak blocking member is bendable when less than approximately 20 lbs. of force is applied to the blocking member to open the end portion and allow the nut to move laterally along the base through the end portion for removal of the nut.

A rocker arm assembly includes a rocker arm body having opposing side walls which are connected by a bottom wall having separate first and second portions. The first portion is configured to engage a push rod and the second portion is configured to engage a valve stem. The side walls and the first and second portions of the bottom wall cooperate to form an aperture having first and second edges. A bridge is configured for snap-fit cooperation with the first and second edges, respectively. The bridge includes upstanding lips which cooperate with the opposing side walls to form first and second oil-transporting channels for transporting oil from the first portion of the bottom wall to the second portion for lubricating the rocker arm body at the point of engagement with the valve stem as the rocker arm body rocks back and forth.