B - Operations – Transporting – 60 – N
Patent
B - Operations, Transporting
60
N
B60N 2/48 (2006.01) B60N 2/44 (2006.01)
Patent
CA 2251901
The object of the invention is a device for vertically securing seat headrests, particularly for motor vehicles, the headrest comprising at least a shaft inserted in a socket (1; 30) attached to the frame (2) of the seat. According to the invention, the device comprises at least one bushing (3; 32), placed in a housing (12) inside the socket and equipped to receive and clamp the shaft, the shaft and housing having articulated cam surfaces so that the bushing selectively clamps or releases the shaft when the bushing is subjected, through the shaft, to stresses in a predetermined direction.
L'invention a pour objet un dispositif de blocage en hauteur d'un appui-tête de siège, notamment de véhicule automobile, ledit appui-tête comprenant au moins une broche engagée dans une douille (1; 30) solidaire de la structure (2) dudit siège. Selon l'invention, il comprend au moins une baque (3; 32) disposée dans un logement (12) de ladite douille et agencée pour recevoir et serrer ladite broche, ladite bague et ledit logement possédant des surfaces de came (15, 17, 18, 19) coopérantes pour que la bague sélectivement resserre ou relâche ladite broche lorsque ladite bague est soumise, par l'intermédiaire de ladite broche, à des efforts de direction prédéterminée.
Delage Olivier
Patte Damien
Centre D'etudes Et Recherche Pour L'automobile (cera)
Ogilvy Renault
LandOfFree
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