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Female terminal fitting

  • US 9,515,396 B2
  • Filed: 03/05/2014
  • Issued: 12/06/2016
  • Est. Priority Date: 03/05/2013
  • Status: Active Grant
First Claim
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1. A female terminal fitting with a tubular main body and a resilient contact piece deflectably arranged in the main body, a mating male tab coming into contact with the resilient contact piece to deflect and deform the resilient contact piece toward a base wall of the main body portion when the male tab is inserted into the main body, wherein:

  • an excessive deflection regulating portion arranged at a position facing the resilient contact piece in a deflecting direction of the resilient contact piece and configured to regulate excessive deflection of the resilient contact piece is provided on the base wall of the main body portion;

    the main body includes a pair of side walls standing up from opposite widthwise ends of the base wall;

    the base wall is provided with a hole left by cutting the base wall to form an auxiliary spring piece and bending the auxiliary spring piece into the main body, the auxiliary spring piece being configured to assist a spring force of the resilient contact piece by coming into contact with the resilient contact piece in the deflecting direction of the resilient contact piece and a bottom-raising hole is provided in a range from the base wall to lower end parts of the side walls in the hole;

    two excessive deflection regulating portions are cut and bent from the side walls and the base wall at the bottom-raising hole and located on the sides of the pair of side walls and include regulating surfaces bottom-raised to a one-level higher position to be closer to the resilient contact piece and arranged substantially horizontally at positions facing opposite widthwise end parts of the resilient contact piece in a deflecting direction of the resilient contact piece and configured to regulate excessive deflection of the resilient contact piece;

    the female terminal fitting is resiliently lockable by a locking lance projecting at an inner wall of a cavity of a connector housing when being inserted into the cavity; and

    a lance receiving space into which the locking lance is insertable is provided below the excessive deflection regulating portions.

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