Dual flush float

Details Dual flush float Dual flush float

1991-02-20

1992-01-21

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet

Manual selection of the amount of flush

4415, E03D 133

Patent

active

050817205

ABSTRACT:
A dual mode flush control apparatus installed in a flush tank provides a choice of either a full flush or a partial flush. A primary float slidably engaged with a vertical float guide is free to move in a vertical path. A catch arm is pivotally attached to the primary float, one portion of which extends away from the primary float and attaches to a secondary float. A further portion of the catch arm extends over the top of the primary float. With the catch arm in a first catch arm position, the further portion of the catch arm blocks the path of the float guide, preventing the primary float from moving downward and resulting in a full flush. The first catch arm position is obtained by holding a flush actuation arm of the flush tank in a raised position, a secondary link attached to the flush actuation arm and primary float thereby supporting the primary float in a raised position, while the secondary float drops with the water level, whereby the catch arm pivots into the first catch arm position. In a second catch arm position, the further portion of the catch arm does not block the path of the float guide, allowing the primary float to move downward where a contact arm of the primary float prematurely causes an outlet cover to cover a flush outlet of the tank, resulting in a partial flush. The second catch arm position is obtained by only momentarily raising the flush actuation arm, whereby both the primary float and the secondary float drop with the water level together.

REFERENCES:
patent: 4483024 (1984-11-01), Troeh
patent: 4485501 (1984-12-01), Kloner
patent: 4651359 (1987-03-01), Battle
patent: 4748699 (1988-06-01), Stevens
patent: 4941214 (1990-07-01), Harris
patent: 4945581 (1990-08-01), Harris
patent: 5023960 (1991-06-01), Ratanagsu

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