Button and dovetail connector actuation mechanism

H - Electricity – 05 – K

Patent

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Details

H05K 3/36 (2006.01) H01R 12/24 (2006.01)

Patent

CA 2258517

A connector for joining a printed circuit board (202) having an array of contact pads (204) to a connector (200) incorporating flexible circuits (210) with mating contact pads (212), by means of a button and dovetail type interaction between the board and connector. A post (206) projects from the surface of the board. Each post has an enlarged head so that the post resembles a button. The head, when mated with a slot (220) on the connector, achieves a camming action resulting in a predetermined normal force versus insertin position relationship. A compliant member (224), preferably a fluid filled bladder, is supported by a beam member (208) and interposed between the beam member and the array of flexible circuit contact pads. A dovetail slot provided in the beam member is shaped to receive the corresponding post and has a precisely shaped cam race surface which engages the head of post. Such arrangement urges the contact pads on flexible circuit against the mating contact pads on the printed circuit board.

Connecteur servant à réunir une carte de circuits imprimés (202) possédant un ensemble de plages de contact (204) à un connecteur (200) incorporant des circuits souples (210) comportant des plages de contact correspondantes (212) au moyen d'une interaction de type bouton et queue d'aronde entre la carte et le connecteur. Un montant (206) dépasse de la surface de la carte. Chaque montant possède une tête agrandie, de façon à ressembler à un bouton. La tête, quand elle est appariée avec une fente (220) sur le connecteur, exerce un effet de came permettant d'obtenir un rapport entre une force normale prédéterminée et une position d'insertion. Un élément adaptable (224), de préférence, une vessie remplie de liquide, est supporté par un élément allongé de type barrette (208) et intercalé entre ce dernier et l'ensemble de plages de contact des circuits souples. Une fente en queue d'aronde située dans l'élément allongé est conçue pour recevoir le montant correspondant et possède une surface de course de came de forme précise s'accouplant avec la tête du pilier. Ce dispositif pousse les plages de contacts du circuit souple contre les plages de contact correspondantes sur la carte de circuits imprimés.

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