Patent ID: 8720847

Claim:
An external articulation mechanism for a pivotable holding of a backrest of a vehicle seat on a part that is secured to a vehicle, comprising: a receiving element ( 10 ) configured to be secured to a vehicle, wherein said receiving element ( 10 ) as a support opening ( 12 ) that is open on one side, and wherein said receiving element ( 10 ) has side walls ( 30 ) that define an introduction slot ( 11 ) that opens into the open side of said support opening ( 12 ); a pivot member ( 14 ) configured to be secured to a backrest of a vehicle seat to allow pivoting of the backrest, wherein said pivot member ( 14 ) is configured to be inserted into said support opening ( 12 ) of said receiving element ( 10 ) via said introduction slot ( 11 ) of said receiving element; an arresting mechanism ( 15 ) disposed on said receiving element ( 10 ) for arresting said pivot member ( 14 ) in position in said support opening ( 12 ) of said receiving element ( 10 ), wherein said arresting mechanism ( 15 ) is configured to extend over the open side of said support opening ( 12 ) and is pivotable between a release position and an arresting position; and a support element ( 21 ) disposed on said pivot member ( 14 ), wherein said support element ( 21 ) is provided with an extension ( 27 ) that, when said pivot member ( 14 ) is inserted into said support opening ( 12 ) of said receiving element ( 10 ) juts into said introduction slot ( 11 ) of said receiving element, further wherein elastically deformable projections ( 28 ) are formed on opposite sides of said extension ( 27 ) of said support element ( 21 ) and protrude toward said sidewalls ( 30 ) of said receiving element ( 10 ) that define said introduction slot ( 11 ), and wherein said pivot member ( 14 ) is inserted into said support opening ( 12 ) of said receiving element ( 10 ) said projections ( 28 ) resiliently engage into recesses ( 31 ) of said side walls ( 30 ), wherein said extension ( 27 ) of said support element ( 21 ) has the shape of a rhombus, and wherein outer corner points that jut out on opposite sides of said rhombus form said projections ( 28 ) that are adapted to engage into said recesses ( 31 ) of said side walls ( 30 ) of said receiving element.