Patent ID: 6173459
Filing Date: 2001-01-16
Classification: E03C

Abstract:
A control for a waste water drain in the bottom of a bathtub having an overflow fluid port above the drain in an end wall of a bathtub, comprising;a vertical drain pipe having upper and lower ends,a first fluid port at the upper end of the vertical drain pipe,a second fluid port below the first fluid port for connection to a bathtub waste water drain,valve element slidably mounted in the vertical drain pipe adjacent the second port and movable between a lower position to close the second port to fluid flow, and an upper position which will open the second port to fluid flow,a plate having a threaded bore secured to the upper end of the vertical drain pipe,an elongated pin having unthreaded inner and outer ends with a threaded center portion threadably mounted in the threaded bore of the plate,an overflow cap mounted on the outer end of the pin, andelongated linkage connecting the valve element to the inner end of the pin so that rotation of the cap and pin in one direction will raise the valve element to the upper position, and rotation of the cap in an opposite direction will lower the valve element to the lower position.