Baths – closets – sinks – and spittoons – Flush closet – Manual selection of the amount of flush
Patent
1992-07-24
1993-03-09
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Flush closet
Manual selection of the amount of flush
4415, E03D 114
Patent
active
051916622
ABSTRACT:
A device for installation in the tank of a standard toilet, which saves a significant quantity of water by limiting the duration of the flush each time the toilet is flushed by normal operation of the flush handle, yet it allows the operator to select a full flush by simply holding the handle down for approximately 3 seconds before releasing it. Since approximately 75% of all flushes are to eliminate liquid waste, and such flushes typically require 50% to 70% of the water needed to eliminate solid waste, this device can substantially reduce the water usage in a household or business. For new installations, the device is constructed as part of a modified overflow pipe. A second embodiment, intended for retrofit in existing toilets, is constructed in such a way as to allow it to be quickly and easily clamped over the overflow tube in the toilet tank, bringing the benefit of water conservation with convenience and at relatively low cost. By virtue of the adjustable nature of this flush limiting mechanism, it is compatible with a wide variety of flush values, overflow tubes, and toilet tanks, and its operation can readily be optimized for a particular model of toilet and tank and for the requirements of an individual user.
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