Retainer for a BGA fan

DETAILED DESCRIPTION The main object of the present invention is to provide a retainer for a BGA fan.
The retainer has means for respectively fixing a pair of frame members as well as a fan securely on a substrate.
The means comprise a pair of hooks each having at least one finger, at least one snap plate and an abutting foot.
In order to accomplish the aforementioned objective, the frame members, which are able to secure the substrate therebetween, each has a first flange and a second flange parallel to the first flange and the space therebetween is equal to the thickness of the substrate, such that an end face of the substrate is able to be inserted into the space and thus be held therein.
The abutting foot of the hook is able to securely engage the bottom face of the frame member after the finger extends into the lowest gap in the fan.
Thereafter, the fan securely engaged between the pair of frame members can be securely fixed on the substrate without any additional space reserved on the substrate.
The detailed features of the present invention will be apparent after reading the following detailed description with appropriate reference to the accompanying drawings.