Patent ID: 6969118
Filing Date: 2005-11-29
Classification: B60N

Abstract:
1. A headrest support structure for attaching a headrest to a car seat; comprising: a headrest; a headrest stay vertically and downwardly projecting from the headrest, the headrest stay having an outer circumferential surface; a height regulating engagement portion formed on the circumference surface of the headrest stay; a first slip-off preventing engagement portion formed below the height regulating engagement portion; a tubular member for engaging the headrest stay, wherein the tubular member is vertically provided in the car seat, a first locking member operating unit provided on the upper end of the tubular member; a first elastic member for forcing the first locking member toward the headrest stay, for engaging the height regulating engagement portion or the first slip-off preventing engagement portion, wherein by an pushing operation from the outside, the first locking member is moved back to release the height regulating engagement portion or the first slip-off preventing engagement portion; a second locking member operating unit, comprising: