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Pop-up drain assembly

  • US 9,745,728 B2
  • Filed: 01/31/2011
  • Issued: 08/29/2017
  • Est. Priority Date: 02/01/2010
  • Status: Active Grant
First Claim
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1. A pop-up drain assembly for a sink or basin having a drain opening, comprising:

  • piping for providing a fluid flow pathway from the sink or basin through the drain opening and through the piping, wherein the piping has a longitudinal axis and an inside wall that defines the fluid flow pathway, and wherein the piping has a pivot rod port;

    a stopper for retaining fluid in the sink or basin, wherein the stopper is received in the piping while in operation and is moveable between an open position and a closed position; and

    a pivot rod for moving the stopper between the open position and the closed position, wherein the pivot rod is attached to the piping at the pivot rod port, wherein the pivot rod is pivotable between upward and downward positions, and while in operation, wherein the pivot rod does not protrude significantly inside the piping and the stopper has a side portion located adjacent to the pivot rod port, wherein the side portion comprises a longitudinal side edge and a magnet or a magnetic material, wherein the pivot rod has a stopper end located within the pivot rod port, wherein the stopper end abuts the longitudinal side edge of the side portion of the stopper, and wherein the stopper end of the pivot rod is magnetically coupled to the stopper for moving the stopper.

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