Patent ID: 9383625
Filing Date: 2016-07-05
CPC Classification: B29C,B29L,B32B,G03B

Claim Text:
1. A blade-driving device comprising: a board including an opening; a blade opening and closing the opening; an arm driving the blade and made of a synthetic resin; a drive member driving the arm; a connection pin connecting the arm and the blade, wherein the arm and the reinforcement member include through holes through which the connection pin commonly penetrates; a laser welding mark formed in such a direction as to arrange an insertion hole and the through hole, wherein the arm and the reinforcement member include insertion holes into which a drive pin is commonly inserted; and a reinforcement member formed with the laser welding mark indicating a mark formed by laser welding the reinforcement member and the arm together, and made of a synthetic resin, wherein the reinforcement member has a thin plate shape.