Electrical connector element

Details Electrical connector element Electrical connector element

2006-12-15

2008-12-09

Ta, Tho D (Department: 2833)

Electrical connectors

With circuit conductors and safety grounding provision

Grounding to connector container or housing

C439S801000, C439S883000, C439S868000, C411S149000, C411S150000, C411S166000, C411S187000, C411S188000

Reexamination Certificate

active

07462043

ABSTRACT:
An aluminum enclosure of an electronic device is used in a corrosion environment. A long-term low impedance ground connection is needed because of security and EMC reasons. While common surface protection for aluminum in corrosion environments as for example polyurethane paint is not conductive, a stainless steel connector is provided which comprises a head portion and a bolt portion. The bolt portion is inserted into a bore of the enclosure or frame. An annular rib provided on the back side of the head portion defines a cutting edge which cuts into the surface of the aluminum enclosure and provides a gas-tight electrical contact. The front surface of the stainless steel head of the electrical connector element provides a metallic surface for connecting ground wires or other conductors.

REFERENCES:
patent: 2897472 (1959-07-01), O'Brien
patent: 4842463 (1989-06-01), Landt
patent: 6435788 (2002-08-01), Reed
patent: 7014406 (2006-03-01), Robertson

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