Patent ID: 7748671

Claim:
A suction cup device comprising: a case; a suction cup including a surface on one side in a thickness direction thereof being a suction surface and a surface on an opposite side being a back surface; a displacement mechanism provided in said case to support a central part of the suction cup in a radial direction of said back surface of said suction cup such that said central part is displaced in said thickness direction by an actuation of the displacement mechanism; and a contact part provided in said case which contacts a part of a surface to be sucked outside of a suction contact part of said surface to be sucked when said suction surface makes suction contact with said surface to be sucked, wherein said contact part includes a plurality of contact elements spaced from each other around a circumference of said suction cup and contacting said surface to be sucked when said suction surface makes said suction contact with said surface to be sucked.