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1. 发明申请

US20110089280A1 WEBBING TAKE-UP DEVICE 有权
公开(公告)号：US20110089280A1
公开(公告)日：2011-04-21
申请号：US12904955
申请日：2010-10-14
申请人： Takayoshi ANDO , Teruhiko KOIDE , Masafumi TSUJIMOTO
发明人： Takayoshi ANDO , Teruhiko KOIDE , Masafumi TSUJIMOTO
IPC分类号： B60R22/46
CPC分类号： B60R22/46 , B60R2022/468
摘要： A webbing take-up device enabling a reduction in size of an overload release mechanism and easy adjustment of an operation torque of the overload release mechanism is provided. In the overload release mechanism of this webbing take-up device, rotary force of a large diameter gear is transmitted to a small diameter gear via plural annular friction springs. The friction springs are disposed between an inner periphery face of a main body portion of the large diameter gear and a tubular portion of the small diameter gear, side by side along an axial direction of the two gears. Consequently, a radial direction enlargement of the large diameter gear and small diameter gear due to space for disposing the friction springs may be restrained. Moreover, the operation torque of the overload release mechanism may be adjusted stepwise by changing the number of the friction springs to be used, in accordance with requirements.
摘要翻译：提供一种能够减小过载释放机构的尺寸并且容易调节过载释放机构的操作扭矩的织带卷取装置。在这种织带卷取装置的过载释放机构中，大直径齿轮的旋转力通过多个环形摩擦弹簧传递到小直径齿轮。摩擦弹簧沿着两个齿轮的轴向并排设置在大直径齿轮的主体部分的内周面和小直径齿轮的管状部分之间。因此，可以抑制由于设置摩擦弹簧的空间而引起的大直径齿轮和小直径齿轮的径向扩大。此外，可以根据要求通过改变要使用的摩擦弹簧的数量来逐步地调节过载释放机构的操作扭矩。

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