Patent ID: 8893436

Claim:
An invisible sliding door link structure, comprising: a door bracket disposed at an inner side surface of a door such that the door slides to open or close a door opening part; a body bracket disposed in an invisible slider for sliding the door; a main arm having a first end and a second end, the first end of the main arm being rotatably connected to a first side of the door bracket, the second end of the main arm being rotatably connected to a first side of the body bracket; a first link having a first end rotatably connected to a second side of the body bracket; a second link having a first end and a second end, the first end of the second link being rotatably connected to a second end of the first link, the second end of the second link being rotatably connected to a second side of the door bracket; and a third link having a first end and a second end, the first end of the third link being rotatably connected to one side of the main arm, the second end of the third link being rotatably connected to a hinge point at which the first and second links are rotatably connected to each other, wherein: the main arm is connected to a driver provided in the invisible slider to receive a driving force, the driver includes: a motor; and a sector gear having a first side and a second side, the first side being connected to the motor, the second side being connected to the main arm through a center shaft and connected to the third link through a support shaft.