Patent ID: 7665783

Claim:
A vacuum suction head comprising: a suction pad which contacts a sucking surface of an object to be sucked and sucks the object with vacuum contact; a shaft which holds said suction pad at one end, and comprises an air charging and discharging hole for charging gas into and discharging gas from said suction pad; a casing part which has a cylindrical space for regulating a movable range of said shaft and holding said shaft in a slightly movable manner; and an elastic supporter which elastically supports said shaft in said casing part, in a freely and slightly movable manner in an axial direction of said casing part and in a direction diagonal to the axial direction, said shaft comprising a step having a flange shape at a substantially intermediate position in said casing part, said casing part comprising a cylindrical part which provides a space for holding said elastic supporter in a freely deforming manner in an inner side, a first casing plate which has a first opening and encloses one end of said cylindrical part, and a second casing plate which has a second opening and encloses another end of said cylindrical part, said elastic supporter comprising a first spring which is held between said first casing plate and said step, and a second spring which is held between said second casing plate and said step.