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Circuit monitoring jack

  • US 4,367,907 A
  • Filed: 08/04/1980
  • Issued: 01/11/1983
  • Est. Priority Date: 08/04/1980
  • Status: Expired due to Term
First Claim
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1. An electrical jack comprising:

  • an elongated housing having a generally cylindrical opening therein for insertion of a plug member having first and second electrical contact portions;

    at least one contact assembly mounted in said housing and including a first contact member having a portion extending transversely across said cylindrical opening and a second contact member adapted for selective electrical contact with said first contact member, said first contact member including a first contact element movable between a first position in which said first contact element and said second contact member are electrically engaged and a second position in which said first contact element and said second contact member are electrically disengaged and a second contact element disposed generally radially inwardly of said first contact element and electrically connected therewith, said second contact element being adapted for selective electrical engagement with the first and second contact portions of the plug member, and being movable in a generally radial direction between first and second positions as a result of such engagement with the first and second contact portions of the plug member; and

    means for moving said first contact element between its first and second positions in response to movement of said second contact element between its first and second positions, respectively.

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