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US 4,232,408 AGranted
Two variable flush gate for lavatory reservoir
OwnerLee Chen-Yuaninventor
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a two variable flush gate for a flush toilet. It is a structure that, by means of adding and altering parts of elements in a traditional flush gate, can select a discharge quantity with simple operation of the discharge lever as needed so that unnecessary water consumption can be avoided.
Claims5
A flush gate for a toilet flush tank having two modes of actuation for permitting two different water volumes to be selectively flushed, comprising, in combination:
- a pivot area,
- a first control piece pivoted at said pivot area to a flush gate housing having first and second extremities on opposed sides of said pivot area,
- a flush gate seal pivotably mounted on said flush gate housing,
- means on said first extremity to engage and retain said flush gate seal overlying said flush gate for one time interval
- first float means on said second extremity to disengage said seal from said first extremity when the water volume falls to a selected level;
- a second control piece pivoted at said pivot area and laterally spaced from said first control piece, and substantially parallel thereto having first and second extremities on opposed sides of said pivot area with means on said first extremity to engage and retain said seal for a second time interval, and second float means on said second extremity to disengage said seal when the water volume falls to another selected level, said first and second control pieces being pivoted in said pivot area about a single pivot axis.
3 more elements
Dependencies are inferred from the claim text.