Self-fastening EMI shielding enclosures

Details Self-fastening EMI shielding enclosures Self-fastening EMI shielding enclosures

1994-11-30

1996-10-15

Thomas, Laura

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

361818, H05K 900

Patent

active

055656560

ABSTRACT:
The present invention provides enclosures for protecting equipment, particularly electrical equipment, from electromagnetic interference. The enclosure includes at least two EMI-shielding portions which, when assembled, at least partially enclose a piece of equipment to be shielded. The first EMI-shielding portion of the enclosure is provided with a first interlocking element. The first interlocking element is integrally formed with the first EMI-shielding portion. A second EMI-shielding portion of the enclosure includes a second integrally-formed interlocking element. The first and second interlocking elements connect the first and second EMI-shielding portions of the enclosure such that electromagnetic energy is not transferred through the connected first and second interlocking elements at a substantially greater rate than through the remaining portions of the enclosure. In this manner, a self-fastening EMI-shielding enclosure is obtained which houses equipment without the need for added mechanical fastening elements, such as screws and bolts.

REFERENCES:
patent: 4830182 (1989-05-01), Nakazato et al.
patent: 4977483 (1990-12-01), Perretta
patent: 5107404 (1992-04-01), Tam
patent: 5170009 (1992-12-01), Kadokura
patent: 5339222 (1994-08-01), Simmons et al.
patent: 5353201 (1994-10-01), Maeda
patent: 5354951 (1994-10-01), Lange, Sr. et al.
patent: 5386340 (1995-01-01), Kurz
patent: 5438482 (1995-08-01), Nakamura et al.

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