Patent ID: 8979046
Filing Date: 2015-03-17
Classification: F16B,F16M

Abstract:
1. A vacuum suction device comprising: a cover which is rotatable mounted on an upper portion of a height adjustment member so as to be coupled to a flat surface by vacuum suction: a suction plate which is coupled to a lower portion of the cover to be sucked by vacuum to the flat surface; and wherein the height adjustment member is arranged between the cover and the suction plate to move the suction plate upwards and downwards according to the rotation of the cover, wherein a plurality of fixing pieces are formed in a top surface of inside the cover, and a plurality of elastic stoppers having a certain elastic force are coupled to inside the height adjustment member in order for the each of the fixing pieces to move by sliding with the fixing piece contacting the elastic stopper and in order for the each of the fixing pieces to be hung on an end portion to fix the cover so as to prevent a backward rotation of the cover from occurring, wherein an insert hole formed in an upper portion of the cover into which one end of a hanging member is capable of being inserted into the insert hole, a plurality of rotation protrusion parts including a hook are formed in an inner surface of the cover and project into the insert hole, to be bent toward the insert hole, are radially formed to protrude, and a plurality of stop protrusion parts are formed to protrude in an inner circumference of the cover.