Patent ID: 8162401
Filing Date: 2012-04-24
Classification: B60N

Abstract:
1. A system for raising and lowering an adjustable headrest of a vehicle seat, comprising: at least one carrier bar for carrying the adjustable headrest, the carrier bar having at least one first notch arranged on a first line and at least one second notch arranged on a second line, the first and second lines being parallel to a longitudinal axis of the carrier bar; a carrier bar guiding element operably connected to the at least one carrier bar to permit sliding movement of the at least one carrier bar relative to the carrier bar guiding element; a spring element attached to the carrier bar guiding element, the spring element including at least first and second portions, the first portion being biased toward the first line and configured to engage the at least one first notch to lock a longitudinal movement of the carrier bar in a first direction, and the second portion being biased toward the second line and configured to engage the at least one second notch to lock the longitudinal movement of the carrier bar in a second direction; and an actuation arm pivotally connected to the carrier bar guiding element and configured to contact at least one of the first portion and the second portion of the spring element so as to permit the longitudinal movement of the carrier bar in either the first direction or the second direction.