Patent ID: 7204558
Filing Date: 2007-04-17
Classification: B60N

Abstract:
1. An automobile headrest, comprising: at least two headrest stays for supporting the headrest; at least two headrest bushes fixed and provided on a seat back side, the at least two headrest stays being inserted in the at least two headrest bushes, respectively, to be supported; and a height adjusting mechanism connected to one of the at least two headrest bushes, wherein: one of the at least two headrest stays inserted in one of the at least two headrest bushes provided with the height adjusting mechanism includes a falloff preventing notch in addition to height adjusting notches; the height adjusting mechanism also serves as one headrest falloff preventing mechanism so that locking and unlocking of the headrest is performed by the height adjusting mechanism; another of the at least two headrest stays includes another falloff preventing notch; another of the at least two of headrest bushes in which another of the at least two headrest stays is inserted, includes the headrest falloff preventing mechanism, which is disengaged with the falloff preventing notch by the operation of the headrest falloff preventing mechanism; and the falloff preventing notches provided in both the at least two headrest stays are arranged at different height positions from one another so that unlocking operations of the height adjusting mechanism and the falloff preventing mechanism when the headrest is drawn out, must be performed separately.