| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide technology effective for realizing miniaturization of a seat belt retractor mounted on a vehicle. <P>SOLUTION: In the retractor 130 of the seat belt device 100 mounted on the vehicle, a motor 133 is stored in a cylinder of a spool 132 and it is set to a retractor miniaturization adjustment area regarding a volume ratio such that a ratio (V1/V2) of a volume V1 of a motor housing 133a of the motor 133 and a volume V2 of the cylinder of the spool 132 is 0.4 to less than 1.0. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
