B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 22/36 (2006.01) B60R 22/34 (2006.01) F16F 7/12 (2006.01) B60R 22/28 (2006.01)
Patent
CA 2174389
There is provided a webbing take-up device in which a load required to rotate a spool in a webbing drawing direction with reference to a shaft is stabilized in the process of rotating the spool, a stable load can be achieved with small deformation, and miniaturization can be achieved. In an ordinary state, an EA plate keeps its original shape, and the shaft and spool are rotated together with each other. When the shaft is prevented from being rotated in the webbing drawing direction in vehicle sudden deceleration, the EA plate is plastically deformed by a webbing drawing force, and the EA plate is pushed in an internal-angle portion of the spool with rotation of the spool in the webbing drawing direction with reference to the shaft. The EA plate is bent by a U-shaped portion and then wound around the outer periphery of the shaft. The other end portion of the EA plate is pushed into the internal- angle portion at a winding start end portion of the EA plate around the shaft to prevent the subsequential rotation of the spool in the webbing drawing direction with reference to the shaft. Thus, when the webbing is prevented from being drawn, the webbing is drawn by a predetermined length, and energy absorption can be achieved.
Hori Seiji
Kato Keiichi
Kitazawa Yasuho
Matsui Kenji
Sasaki Sumikazu
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho
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