Electrical connectors – With insulation other than conductor sheath – Metallic connector or contact secured to insulation
Patent
1995-07-10
1997-09-16
Paumen, Gary F.
Electrical connectors
With insulation other than conductor sheath
Metallic connector or contact secured to insulation
439 82, H01R 1341
Patent
active
056674120
ABSTRACT:
A press-in contact has a press-fitting portion which is press-fitted in a cylindrical through-hole of a printed circuit board, thereby fixing the press-in contact to the circuit board. The cross-section of the press-fitting portion of the press-in contact includes a U-shaped inner edge and an outer periphery having two arc parts and a straight part therebetween. The circular part of the U-shaped inner edge at its bottom and the two arc parts of the outer periphery are in eccentric relation of shifted centers. The thickness of the arc parts is progressively thinner toward the open ends of the U-shaped inner edge, and a circumferential length of the arc parts of the outer periphery contacting the through-hole of the printed circuit board is as long as possible. With the press-in contact thus constructed, no whitening occurs in the proximity of the through-hole of the printed circuit board even if the holding force for the contact is more than 5 kg.
REFERENCES:
patent: 4076356 (1978-02-01), Tamburro
patent: 4191440 (1980-03-01), Schramm
patent: 4381134 (1983-04-01), Anselmo et al.
patent: 4585293 (1986-04-01), Czeschka et al.
patent: 4776807 (1988-10-01), Triner et al.
patent: 4795378 (1989-01-01), Tomizu et al.
"Compliant Pin Concepts". Jan. 1989.
Saito Yukio
Takahashi Makoto
DDK Ltd.
Paumen Gary F.
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