Midfielder Cohen has been forced to play at left-back for much of the season as Julian Bennett is still sidelined by a knee ligament injury and Joel Lynch is regarded by Davies as having better potential as a central defender.
Defender James Perch has also been missing since the end of last season and although he played 90 minutes for the first time since April in a reserve-team friendly defeat by Swansea on Tuesday, Davies feels he is still some distance away from a first-team return.
Davies has been anxious to bring in extra defensive cover at the club since the summer.
And even though Cohen is suspended for just one game after picking up a fifth yellow card in the 1-1 draw at Middlesbrough, Davies was eager to bolster his squad before the emergency loan transfer window closes on Thursday.
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