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Seat belt buckle

  • US 6,725,509 B1
  • Filed: 08/08/2000
  • Issued: 04/27/2004
  • Est. Priority Date: 08/17/1999
  • Status: Expired due to Fees
First Claim
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1. A seat belt buckle comprising:

  • a body frame including a base plate and a pair of upstanding side walls;

    a release button slidably coupled to the body frame for unlatching a seat belt tongue from the seatbelt buckle;

    a locking lever capable of being pivotally rotated about wings by a predetermined angle;

    a slider for supporting and fixing the locking lever; and

    an ejector for pushing the tongue in a longitudinal direction which is a lengthwise direction of the body frame;

    the body frame having an arch-shaped supporting beam which is integrally formed with the body frame in a manner such that the supporting beam is erected in a vertical direction, the supporting beam serving to limit movement of the slider and increase structural rigidity of the seat belt buckle;

    the slider having a width which is greater than that of the body frame and possessing shock-absorbing means for increasing durability of the seat belt buckle, the slider being formed with inclined projections; and

    the release button having at least two release projections which are formed with inclined surfaces which are in turn brought into contact with the inclined projections of the slider, wherein the upstanding side walls of the body frame are formed with release-preventing pieces for preventing the ejector from being released out of the body frame while the ejector slides on the base plate of the body frame.

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