| 摘要 |
A seat belt pretensioner acts upon the sill end of a three point seat belt. A fixed member (79) of the pretensioner is adapted to be fixed to a load bearing part of the vehicle. A movable member (99) is connected to the sill end of the seat belt (14) and is slideable with respect to the fixed member. The movable member (99) is moved in a direction that is longitudinal relative to the fixed member (79) to move the sill end of the seat belt in a pretensioning direction in response to a signal from the crash sensor. In this way the sill end of the seat belt is free to move along a connecting member when the seat belt is not under tension either from use in restraining a seat occupant and/or from a pretensioning operation. ® KIPO & WIPO 2007
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