| 摘要 |
A passive occupant restraint belt system for a vehicle which includes a restraining belt and apparatus for moving the belt from an occupant-restraining to an occupant-releasing position in response to opening of a door of the vehicle. A belt transfer device engages the seat or shoulder belt for moving the belt from the restraining to the releasing position and is actuated by a motion transmission mechanism which transmits and amplifies opening motions of the door to the belt transfer device. The transmission includes a motion amplifier mounted on either the vehicle body or door, and an extendable linkage having one end attached to the other of the body and door and its other end coupled to an input component of the motion amplifier. The linkage has a first link provided with an indentation partway along its length, a second link carrying a lever adjacent one end and coupled adjacent its other end to the door amplifier. The first link has a detent for engaging the first link in the form of a spring loaded pin which is received in the indentation in the first link, but releasable in emergency situations when the motion amplifier or belt transfer device is inoperative to permit the door to be opened.
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