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发明授权
CN105905068B 安全带卷取装置以及座椅安全带装置 有权

安全带卷取装置以及座椅安全带装置
摘要：
本发明提供安全带卷取装置以及座椅安全带装置。使用马达的驱动力，得到顺滑的安全带的卷取收存以及安全带佩戴时高的乘客束缚性。安全带卷取装置(16)具备：通过使输出轴朝向第1方向旋转而将输出轴的旋转传递为使卷取轴朝向卷取方向旋转的第1传递单元；通过使输出轴朝向第2方向旋转，使得在将输出轴的旋转传递为使卷取轴朝向卷取方向旋转时，在卷取轴的卷取扭矩达不到预先设定的第1扭矩的范围内进行传递的第2传递单元。ECU(172)在由带扣开关(174)检测到舌片与带扣的卡合后，以使得卷取轴的卷取扭矩达到预先设定的可得到乘客束缚性的第2扭矩的方式使驱动单元的输出轴(48A)朝向第1方向旋转，使安全带与乘客紧密接触。
摘要（英）：

There is provided a webbing take-up device including (1) a take-up shaft, (2) an attachment and detachment detection unit, (3) a motor, (4) a first transmission unit that transmits rotation of the output shaft in a first direction to the take-up shaft, (5) a second transmission unit that transmits rotation of the output shaft in a second direction to the take-up shaft, and that also transmits the output torque of the output shaft to the take-up shaft such that the take-up torque of the take-up shaft does not reach a preset first torque, and (6) a control unit that, in cases in which engagement between a tongue and a buckle has been detected, controls a drive voltage and a drive current such that the output shaft rotates in the first direction, and the take-up torque of the take-up shaft reaches a second torque higher than the first torque.

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