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Electromagnetic interference shielding (EMI) apparatus including a frame with drawn latching features

  • US 9,462,732 B2
  • Filed: 03/13/2013
  • Issued: 10/04/2016
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
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1. A shielding apparatus suitable for use in providing electromagnetic interference shielding for one or more electrical components on a substrate, the shielding apparatus comprising:

  • a cover including one or more retention members having one or more cam surfaces and one or more openings;

    a frame having a top surface and sidewalls, the frame being partly drawn in construction such that the frame includes;

    one or more drawn latching features extending outwardly from the top surface of the frame, the one or more drawn latching features engageable within the one or more openings of the cover to thereby releasably attach the cover to the frame; and

    one or more openings along the sidewalls where material was drawn to form the one or more drawn latching features, which openings extend downwardly along the sidewalls from the one or more drawn latching features to a bottom of the frame such that each of the one or more openings along the sidewalls has an open shape;

    wherein the one or more drawn latching features contact and slide along the one or more cam surfaces of the one or more retention members of the cover when the cover is positioned over the frame, and wherein sliding contact of the one or more drawn latching features with the one or more cam surfaces causes the one or more retention members to move and allow the one or more drawn latching features to move into the one or more openings of the one or more retention members.

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