pull up table mechamism

specification : - table width : max 800mm - table length : max 1500mm - contents : 1. arm with spring 2. 4 pcs castor ( roda ) 3. butterfly hinge ( tdk termasuk ) installation guide : Design parameter : - internal of storage cabinet 910mm width, 282mm dept, 1375mm height - external of mobile cabinet 900mm width, 420mm dept, 720mm height. - 4 fat universal wheels ( 80mm height ) - total length of folding table : 570mm + 660mm + 300mm = 1548mm