Patent ID: 7789692

Claim:
A card edge connector, comprising: an insulating housing with first and second opposite ends; a plurality of terminals disposed in the housing between the ends and configured, in operation, to electrically and mechanically engaging with a card module; and a first and second support arm respectively disposed at the first and second end of the housing and configured to form an accommodation space therebetween, a flexible portion provided on a distal end of each support arm, the flexible portion having an upper portion, the flexible portion including a latch element extending from an upper edge of the flexible portion and configured, in operation to establish a latching engagement with a top surface of the card module when the card module is positioned in the accommodation space; and a resistance provider disposed adjacent to the latch element and configured to be aligned vertically with a corresponding notch of the card module, the resistance provider having a surface which is inclined inward and slightly downward, wherein the resistance provider is configured to resistant insertion of an incorrectly aligned card module engages with the inclined surface and is further configured to causes the flexible portion to deflect while an unusually large force is applied to the inclined surface.