Patent ID: 8691045

Claim:
A positioning device for positioning a plurality of two-sided adhesive pieces, the positioning device comprising: a base comprising a positioning block defining a plurality of positioning holes; a plurality of pulling blocks each comprising a connecting plate received in a corresponding one of the positioning holes, and a supporting plate protruding out from a top end of the connecting plate, wherein a first surface of each adhesive piece is adhered on a top surface of one of the supporting plates; and a pressing block attached to the positioning block to sandwich the adhesive pieces with the supporting plates of the pulling blocks, a second surface of each adhesive piece to be adhered to a bottom surface of the pressing block; wherein each positioning hole comprises a receiving portion defined in a top surface of the positioning block for receiving the corresponding supporting plate, an avoiding portion defined in a first part of a bottom surface of the receiving portion for receiving the corresponding connecting plate, and a supporting portion formed on a second part of the bottom surface of the receiving portion for supporting the supporting plate.