Webbing winding device

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 22/36 (2006.01) B60R 22/41 (2006.01) B60R 22/415 (2006.01) B60R 22/34 (2006.01)

Patent

CA 2270343

A webbing winding device (10) which is attached by a vehicle occupant, comprising: a rotor member (50) adapted to rotate together with a winding shaft (14), on which the webbing is wound, a locking wheel (32) rotatably supported on the winding shaft (14) and adapted for rotation relative to the winding shaft (14) to prevent rotation of the winding shaft (14) in a webbing paying-out direction, and a slider (70) for causing engagement between the rotor member (50) and the locking wheel (32) so as to prevent the winding shaft (14) and the locking wheel (32) from rotating relative to each other between a state, in which the webbing is nearly completely wound on the winding shaft (14) and a state, in which the webbing is completely wound on the winding shaft (14). Accordingly, end locking is prevented with certainty.

La présente invention concerne un dispositif (10) d'enroulement de sangle permettant de tendre une sangle retenant une personne se trouvant dans un véhicule. Ce dispositif comprend un rotor (50) destiné tournant en même temps qu'un arbre d'enroulement (14) sur lequel la sangle est enroulée, une roue de verrouillage (32) en appui rotatif sur l'arbre d'enroulement (14) et destinée à tourner par rapport à l'arbre d'enroulement (14) de façon à empêcher la rotation de l'arbre d'enroulement (14) dans le sens de libération de la sangle, et une pièce coulissante (70) qui met en contact le rotor (50) et la roue de verrouillage (32) afin d'empêcher que l'arbre d'enroulement (14) et la roue de verrouillage (32) tournent l'un par rapport à l'autre entre une position selon laquelle la sangle est presque complètement enroulée sur l'arbre d'enroulement (14) et une position selon laquelle la sangle est complètement enroulée sur l'arbre d'enroulement (14). Ce dispositif permet d'empêcher de manière fiable le verrouillage de l'extrémité de la sangle.

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