Flush valve with adjustable overflow tube and method for installing a toilet valve
AssigneeLavelle Industries, Inc.
InventorsDavid Nichols-Roy, Alberto Torres
Life of this patent
Estimating the term…
Abstract
The present invention provides an improved top mounted toilet flush valve and a method for installing the flush valve that can be readily adapted to the tank profile of a wide variety of gravity operated flush toilets. More specifically, in accordance with the objectives of the present invention, there is provided a flush valve having an overflow tube that is adjustable in height and a method for adjusting the overflow tube.
Claims25
A toilet tank flush valve, comprising:
- a valve body;
- a valve mounted in the valve body;
- and
- a height adjustable overflow tube connected to the valve body.
A height adjustable toilet tank flush valve assembly comprising:
- a valve body with an integral overflow tube, the valve body being formed with a passage therethrough complementary to the overflow tube, and an aperture, the overflow tube having a threaded top;
- a second section of overflow tube having a notched bottom that fits into the first section;
- and
- a locknut that, when tightened, locks the second section of overflow tube in place relative to the first section.
A height adjustable toilet tank flush valve assembly comprising:
- a valve body having an aperture, the valve body further being formed with a passage therethrough, the passage providing an aperture,
- a first section of overflow tube being sized to fit complimentary to the passage aperture and having a threaded top,
- a second section of overflow tube having a notched bottom that snaps into the first section;
- an O-ring or other seal member;
- and
- a locknut that, when tightened, locks the second section of overflow tube in place relative to the first section.
A height adjustable flush valve for a two-piece toilet, the toilet having a tank with a drainhole;
- the adjustable flush valve comprising:
- a valve body with an integral overflow tube, the valve body being the valve body being formed with a passage therethrough complementary to the overflow tube, and an aperture, the overflow tube having a threaded top;
- a second section of overflow tube having a notched bottom that fits into the first section;
- and
- a locknut that, when tightened, locks the second section of overflow tube in place relative to the first section.
A method for installing a height adjustable flush valve in a toilet tank having an aperture at its base comprising the steps of:
- providing a valve body having an aperture, a threaded end and a passage therethrough having an aperture;
- inserting the flush valve into the aperture in the toilet tank;
- placing a chipboard washer over the threaded end of the flush valve;
- threading a mounting nut over the threaded end of the flush valve;
- tightening the mounting nut to the base of the toilet;
- providing an adjustable overflow tube comprising a first section of overflow tube having a threaded top, a second length of overflow tube having a notched bottom and a locking nut;
- inserting the adjustable overflow tube into the aperture of the flush valve;
- adjusting the height of the overflow tube;
- and
- tightening the locknut to secure the second overflow tube in place.
Dependencies are inferred from the claim text.