Patent ID: 7350859

Claim:
Headrest ( 150 ) for a motor vehicle, comprising: a fixed part ( 111 ), a mobile part ( 112 ) opposite said fixed part, at least first and second connecting rods ( 114 , 115 ), each connecting rod comprising at least two branches ( 114 a , 114 b , 115 a , 115 b ), connecting said fixed and mobile parts ( 111 , 112 ), said first and second connecting rods allowing the mobile part to be displaced from a normal position in the vicinity of said fixed part, to a protective position remote from said fixed part, the first connecting rod ( 114 ) being pivotably mounted, by a first pivoting connection ( 117 ), on a first element ( 111 ) selected from the fixed and mobile parts ( 111 , 112 ), and slidably mounted relative to a second element ( 112 ) selected from said fixed and mobile parts ( 111 , 112 ), and a retaining device designed selectively to maintain the mobile part in the normal position or to release said mobile part, characterized in that it said headrest further comprises a third connecting rod ( 113 ) which connects said first and second elements to one another, in that the second connecting rod ( 115 ) is pivotably mounted on the second element ( 112 ) by a second pivoting connection ( 116 ) and slidably mounted relative to the first element ( 111 ), and in that it said headrest further comprises first and second resilient devices ( 121 , 122 ) acting respectively on the first and second connecting rods ( 115 ) to urge said mobile part ( 112 ) towards the protective position, said first and second resilient devices ( 121 , 122 ) being pretensioned when the mobile part ( 112 ) is in the normal position.