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Door checker for automobile

  • US 6,871,382 B2
  • Filed: 08/18/2003
  • Issued: 03/29/2005
  • Est. Priority Date: 08/21/2002
  • Status: Expired due to Fees
First Claim
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1. A door checker for an automobile, comprising:

  • a case secured to a door turnably supported on a body of an automobile;

    a check lever which is swingably supported on said body to extend through said case and which has a ball guide groove formed in its side face to extend in a lengthwise direction;

    a ball holder accommodated in said case and capable of being moved toward and away from the side face of said check lever;

    a check ball retained in said ball holder and capable of being rolled in said ball guide groove; and

    a check spring for biasing said ball holder toward said ball guide groove;

    said check lever having an intermediate recess which is formed in its side face and deeper than said ball guide groove, and into which said check ball is fitted by a biasing force of said check spring in order to generate a moderation resistance in a position of at least one medium opening degree;

    wherein said intermediate recess is formed so that a second opening width in a direction intersecting a centerline of said ball guide groove is larger than a first opening width along said centerline of said ball guide groove.

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