to the second switch lead 160b so that the second switch lead 160b contacts the third switch lead 160c fig3 b when the flexible tip 160p is housed in the groove 175 more the second switch lead 160b contacts the first switch lead 160a fig2 b while the tip 160p of the second switch lead 160b is slidingly contacted on the outer circumferential surface of the flange 179 the drainage apparatus of a clothes washing machine having the construction as described above is operated as follows fig2 a 2b depict the initial operation state of the drainage apparatus the groove 178 of the second rotating member 170 meshes with the bevel jaw 154 of the first rotating member 150 by the expansion force of the spring 190 fig1 pressing against the upper surface of the second rotating member 170 the second switch lead 160b contacts the first switch lead 160a while the tip 160p of the second switch lead 160b contacts the outer circumferential surface of the flange 179 the second cam 140 is spaced ahead of the front portion of the second cam 130 by a predetermined distance the drainage motor 111 fig1 rotates when electricity is applied across the first and the second leads 160a 160b fig3 a 3b depict the actuation of the drainage apparatus as the shaft 114 fig1 rotates with the rotation of the motor fig1 the first and the second rotating members 150 170 are rotated counterclockwise simultaneously the projection 120 pulls the wire 180 toward.