Patent ID: 6966077
Filing Date: 2005-11-22
Classification: A47K,E03C

Abstract:
1. An apparatus for opening, and closing a drain valve in a washstand having a hole to which a drain-pipe is connected, the apparatus comprising: the drain valve having a cap for preventing liquid flow through the hole into the drainpipe and an elongated rod having a first end connected to the cap and a second end disposed inside the drainpipe, a motor having a motor shaft formed outside the drainpipe; a circular cam contacting the second end of the elongated rod of the drain valve inside the drain pipe and being connected to the motor shaft through the drainpipe, a switch for initiating the movement of the cap to a plurality of predetermined positions with respect to the hole of the washstand; a spring for providing a bias force on the elongated rod so that the cap is actuated to fit into the hole to close the drain valve when the switch is in the off state; a upper spring housing; and a lower spring housing,