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Height adjuster of seat belt for vehicle

  • US 9,643,566 B2
  • Filed: 12/08/2014
  • Issued: 05/09/2017
  • Est. Priority Date: 09/05/2014
  • Status: Active Grant
First Claim
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1. A height adjuster of a seat belt for a vehicle, comprising:

  • a rail bracket configured to be fixedly mounted on a vehicle body wherein rail grooves are formed to the rail bracket and are vertically disposed on the rail bracket;

    a slider configured to be coupled to the rail bracket and moving along a length direction of the rail bracket and having first and second surfaces provided with guide grooves so as to be fitted in edge portions of the rail bracket provided with the rail grooves; and

    a locking mechanism configured to be coupled to the slider so as to elastically slidably move and restrict a movement of the slider at a time of contacting the rail grooves and release the restriction of the movement of the slider at a time of being separated from the rail grooves,wherein the locking mechanism includes;

    a pair of locking pins each configured to have a first surface contacting one of the rail grooves while moving along a length direction of one of a pair of base slots of a base part and along a length direction of one of a pair of upper slots of an upper part wherein each of the base slots and the upper slots are formed in the slider in a width direction of the rail bracket;

    a locking pin spring mounted to be elastically supported to a second surface of the locking pins while being fixed to the slider and configured to apply an elastic force to the locking pins to contact the rail grooves continuously;

    a locking lever mounted to contact a third surface of the locking pins while penetrating through the slider and configured to apply an external force to the locking pins so that an interval between the pair of locking pins is narrowed when the locking lever moves in the length direction of the rail bracket in which the locking lever approaches the locking pins; and

    a lever spring configured to have a first end supported to the slider and a second end supported to the locking lever and apply an elastic force to the locking lever so that the locking lever moves in the length direction of the rail bracket in which the locking lever is far away from the locking pins,wherein when a height of the seat belt is adjusted in a downward direction of the vehicle, the slider is configured to be moved in the downward direction along the rail grooves in a state that the locking lever is manipulated and the lever spring is compressed, andwherein when the height of the seat belt is adjusted in an upward direction of the vehicle, the slider is configured to be moved in the upward direction along the rail grooves in a state that the locking lever is not manipulated.

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