| 摘要 |
<P>PROBLEM TO BE SOLVED: To miniaturize and reduce the weight of a webbing take-up device for taking-up webbing installed on an occupant of a vehicle. <P>SOLUTION: In this webbing take-up device 10, a rotation shaft support portion 54 of a pinion 50 is supported by a circular hole 102 of a cover plate 100, and the pinion 50 is rotated when a piston 88 meshes with the pinion 50 at predetermined time. Here, a burring shape 104 projects from a plate part 101, and the circular hole 102 is formed in the plate part 101 and the burring shape 104. Thus, the length in the axial direction for supporting the pinion 50 by the circular hole 102 can be lengthened. Thus, strength of the circular hole 102 can be secured. Since an inclination of the pinion 50 can be restrained, the pinion 50 and the piston 88 can sufficiently mesh with each other, and operation efficiency to the pinion 50 from the piston 88 can be improved. Thus, by restraining thickening of a thickness of the cover plate 100, the webbing take-up device 10 can be miniaturized and lightened in weight. <P>COPYRIGHT: (C)2012,JPO&INPIT |
