B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 22/46 (2006.01) B60R 22/28 (2006.01) B60R 22/36 (2006.01)
Patent
CA 2549740
A webbing retractor has a lock mechanism which includes a lock gear with ratchet teeth formed at an outer peripheral face of the lock gear and a lock plate disposed to be able to engage with the ratchet teeth of the lock gear. The lock mechanism is structured to prevent rotation of the retracting shaft in a webbing pulling-out direction by the lock plate being engaged with the lock gear. The webbing retractor also has a pretensioner mechanism which includes a sleeve coupled to the other end portion of the torsion bar, and which is capable of forcibly rotating the retracting shaft in a webbing retracting direction via the sleeve under predetermined conditions. The sleeve of the pretensioner mechanism is provided integrally at an axial center portion of the lock gear of the lock mechanism.
L'invention concerne un enrouleur de ceinture de sécurité équipé d'un mécanisme de blocage et d'un prétendeur, dans lequel le nombre de pièces et la taille de l'enrouleur sont réduits. L'invention concerne un enrouleur de ceinture de sécurité dont l'engrenage de blocage (70) est multifonctionnel. Un manchon (72) et une section extension de manchon (73), qui constituent un prétendeur (50), sont solidairement formés en une section axe de l'engrenage de blocage (70) composant un mécanisme de blocage (130). Ainsi, l'engrenage de blocage (70) est construit par intégration d'un corps d'engrenage de blocage (74) et de la denture d'une roue à cliquet (76) du mécanisme de blocage (130), ainsi que le manchon (72) et la section extension de manchon (73) du prétendeur (50).
Kitazawa Yasuho
Nagata Tomonori
Takamatsu Hitoshi
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho
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