Dual-flush control apparatus
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United States of America Patent
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Feb 18, 1997
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiple volume flush control apparatus for controlling a flush valve in a bottom of a flush tank, comprises a flush valve having a ventable buoyancy air chamber, a vent control assembly having a venting chamber communicating with the air chamber, a first valve for selectively activating the venting chamber for venting the air chamber at a first rate, and a second valve for selectively activating the venting chamber for venting the air chamber at a second rate.
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