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Float mounted receptacle contact assembly for card cage

  • US 5,024,627 A
  • Filed: 06/29/1990
  • Issued: 06/18/1991
  • Est. Priority Date: 06/29/1990
  • Status: Expired due to Fees
First Claim
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1. A contact assembly for use in a card cage to interconnect a power bussing system of the card cage with respective daughter cards inserted into said card cage at respective card locations to become electrically connected with circuit means of a backplane of the card cage, each daughter card including corresponding power bussing means along at least one of an upper and lower edge thereof defining source and return paths associated with source and return circuits of said cage power bussing system, and each source and return path of the card power bussing means including a blade-shaped contact section extending rearwardly from the card, comprising:

  • a plurality of contact members mounted to a clevis block mountable to framework of the card cage, said contact members being associated in pairs and insulated from each other, one said contact member of each pair being associated with a corresponding contact means of a source power circuit of the cage power bussing means and the other thereof being associated with a corresponding contact means of a return power circuit of the cage power bussing means;

    each said contact member having a body section and including at least a first receptacle contact section facing forwardly at a card location and adapted to receive thereinto a respective said blade-shaped contact section of said card power bussing means, each said receptacle contact section defined by an array of paired opposed spring arms extending forwardly from said body section and having substantial stiffness to generate substantial contact normal force on side surfaces of a said blade-shaped contact section upon mating wherein said spring arms are deflectable apart thereby;

    said body section of each said contact member is mounted between adjacent salients of said clevis block and having a width less than the distance between said adjacent salients whereby incremental lateral movement of said body section is permitted between said salients; and

    each said body section includes a transverse aperture aligned with shaft-receiving apertures through said salients, and a shaft is inserted through all said aligned apertures in a manner adapted to permit rotatable motion of said contact members about said shaft and securing said contact members to said clevis block electrically isolated between respective pairs of said adjacent salients.

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