Patent ID: 9494184
Filing Date: 2016-11-15
CPC Classification: F16B,F16M

Claim Text:
1. A rail-type vacuum fixer, comprising: a soft suction plate having a screw bar installed at a center of a top surface, a hard rotary rail installed in a circumferential direction in an outer area of the top surface, and a No. 1 stopper installed on the top surface; and a hard rotary cap, which covers the top surface of the said suction plate, has a screw pipe formed at a center inside for insertion of the said screw bar, a sliding rim corresponding to the said rotary rail prepared in a border area, and a No. 2 stopper installed inside; wherein the said rotary rail is equipped with at least one gliding plane deployed as a plane on a screw bar centered circumference on the top surface of the said rotary rail, if the said rotary cap is rotated, while a bottom surface of the said sliding rim slides along the said gliding plane, the said screw bar rises into the said screw pipe, and the said No. 2 stopper limits the rotation of the said rotary cap in combination with the said No. 1 stopper by contacting the said No. 1 stopper.