Electrical connectors – With insulation other than conductor sheath – Metallic connector or contact secured to insulation
Patent
1995-03-13
1996-11-12
Pirlot, David L.
Electrical connectors
With insulation other than conductor sheath
Metallic connector or contact secured to insulation
439 81, H01R 1342
Patent
active
055734316
ABSTRACT:
An electrical contact is provided for press-fit insertion into a circuit board, which produces a large retention force (resistance to pullout) with only moderate hole distortion, and which can be reliably produced at low cost. A press-fit section ( 14, FIG. 4) of the contact is of largely I-beam cross-section, with upper and lower flanges (60, 62) that each have outer faces (64, 66) for abutting the walls of the circuit board hole, and with a web (70) connecting the flanges. The entire cross-section of the contact is of rigid construction for minimal deformation when inserted into the hole, so most of the deformation is of the hole. Each flange face has about the same radius of curvature (C) as that of the hole, and the web is narrower than the flanges, but thick enough to avoid substantial bending.
REFERENCES:
patent: 4274699 (1981-06-01), Keim
patent: 4475780 (1984-10-01), Walter
patent: 4586778 (1986-05-01), Walter
patent: 4691979 (1987-09-01), Manska
patent: 4728164 (1988-03-01), Lemmens
patent: 4733465 (1988-03-01), Tanaka
patent: 4746301 (1988-05-01), Key
patent: 4761498 (1988-08-01), Harting
patent: 4878861 (1989-11-01), Kendall
patent: 5487684 (1996-01-01), Schalk et al.
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