Patent ID: 8267367

Claim:
A vacuum pad device, comprising: a housing having: an inlet port and an outlet port formed through a sidewall of the housing at respectively an upper position and a lower position; a mounting seat formed through a lower end of the housing; and a sealing cover provided on an upper end of the housing; a pad unit comprising: a ball joint having a through hole formed in a longitudinal direction thereof; and a suction pad coupled to an end of the ball joint, wherein a ball of the ball joint is seated into the mounting seat of the housing so that the pad unit is rotatably coupled to the housing; and a piston provided in the housing such that an outer surface of the piston is in close contact with an inner surface the sidewall of the housing, the piston having a connection hole communicating the outlet port with the through hole, wherein the piston is moved in a longitudinal direction of the housing by pressure of compressed air supplied from the inlet port, thus controlling rotation of the ball joint.