To fix a sucker to a suction reception surface by maintaining an increased state of a vacuum state formed between a suction surface and the suction reception face.
The sucker includes a suction cup 1 composed of a base 1a, wherein one face in a thickness direction is a back face and another face is the suction surface 1d, a cylindrical part 1b provided on the back face of the base 1a, a projection 1e having a plane provided in a center portion S of the suction face 1d of the base 1a, and a suction material 1h included on the suction surface 1d around the projection 1e and fixed and sucked onto the suction reception surface via a double-sided tape 1g so as to be flush with the projection 1e; a housing part 2 including an outer side cylindrical part 2a covering the back face of the base 1a, projecting in the thickness direction, and housing the cylindrical part 1b; an energizing part 3 energizing the cylindrical part 1b in a direction opposite of the thickness direction in an interior of the outer side cylindrical part 2a; and a lever 4 capable of energizing the suction cup 1 in a direction approaching the housing part 2 along the thickness direction.
ICHINOSE KENICHI
Daisuke Nagano
Kentaro Fujii