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Engaging structure of a terminal and a connector housing

  • US 5,746,628 A
  • Filed: 10/23/1995
  • Issued: 05/05/1998
  • Est. Priority Date: 10/28/1994
  • Status: Expired due to Fees
First Claim
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1. An engaging structure of a terminal and a connector housing comprising:

  • a housing including a terminal receiving cavity;

    the terminal including a base plate, a contact piece formed at a front end portion of the base plate, and an electric wire connecting portion formed at a rear end portion of the base plate, the terminal being inserted into the terminal receiving cavity from the front end of the base plate; and

    a retainer being movable along a direction intersecting a direction of inserting the terminal into the terminal receiving cavity between a provisional locking position and a primary locking position and being allowed to be locked at these positions, the retainer having a detecting protrusion protruded into the terminal receiving cavity;

    the terminal being provided with a projecting portion for moving the retainer to the primary locking position by slipping off from a moving path of the detecting protrusion toward the front side of a terminal insertion direction when the retainer is at the provisional locking position and the terminal is completely inserted at a normal position, and said projecting portion prevents the retainer from moving to the primary locking position by abutting against the detecting protrusion when the terminal is incompletely inserted just before the normal position,wherein said projecting portion is provided with a detection hole which is formed between said contact piece and an end edge of said projecting portion and which is engageable with the detecting protrusion as the terminal moves toward said normal position when the terminal is inserted into the housing where the retainer is located at the primary locking position, andwherein a protecting portion for protecting the contact piece is arranged between the detection hole and the contact piece.

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