The present invention relates to a ground pin support device capable of firmly supporting and fixing a rear of a ground pin that is addressed to the back of an FBT focus unit, and an object thereof is to one side of the rear surface of the focus unit 1. A support piece 6 is inserted into the rear side of the grounding pin 2 that is extended, and a bent end portion in which a hemispherical coupling groove 7 is formed in the front wall surface of the support piece 6 so that the rear side of the ground pin 2 is bent. The main point is to fix (3).;Accordingly, the bending of the ground pin that is addressed to one side of the rear surface of the focus unit of the FBT is prevented, and the ground pin can be supported and fixed in a more solid state, as well as to prevent product defects.
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