Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1999-12-03
2000-12-26
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
E03D 509
Patent
active
061638978
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention refers to a self-adjustable control device for a cistern flushing mechanism, and especially to such a mechanism for a ceramic cistern, a flush control being provided by a button placed on the cistern's lid.
BACKGROUND OF THE INVENTION
In ceramic cisterns, cistern elevations and lid elevations are likely to change from one cistern to another. Generally, variations in elevation are of a few millimeters but may be in excess of tens of millimeters.
Usually, pre-adjustment of the elevation of the flushing mechanism is carried out by using the bracket which connects the upper part of the mechanism bearing the control button, and the lower part bearing the valve. This bracket includes two vertical arms provided with teeth regularly distributed on the arm's elevation generally with a 15 mm step. It happens that a pre-adjustment carried out by means of the bracket's teeth brings the control button exactly to the elevation of the top of the lid of the ceramic cistern.
However, usually the control button's position has to be adjusted. This adjustment is carried out by removing the control button and by cutting with an appropriate tool the vertical rod imparting the control pressure to the swivelling arm which provides, via a pull handle, for opening of the valve. The control button is then put back into place.
The technical problem posed by the adjustment of the control button's position is critical in the case of a flushing mechanism capable of providing two flushes of different volumes by means of two buttons placed side by side. The two vertical rods must then be cut to the same elevation, if either of them is cut too short, it must be replaced. That is why in the proposed assemblies for fitting to cisterns, flushing mechanisms are accompanied by several, generally four or five, rods.
SUMMARY OF THE INVENTION
One of the objects of the invention is to propose a flushing mechanism wherein no intervention on the vertical rods providing control is required for adjusting of the control button's position.
Another object of the invention is to propose a flushing mechanism wherein adjustment of the control button's position is performed simply by manual screwing.
Still another object of the invention is to propose a flushing mechanism wherein the control button's orientation is not linked to the position of the mechanism in the cistern.
The object of the invention is a self-adjustable device for controlling a cistern mechanism supported by a bracket and provided with swivelling arms capable, by acting on fingers provided on pull handles, of triggering the flushing, control of the flushing being provided, via rods acting on the head of the swivelling arms, by control buttons accessible from outside on the lid of the cistern, characterized in that it includes: at its lower part, pitch p2, said swivelling arms, vertical projections of the distances (L1, L2) from the axis of said fingers on the one hand to the contact positions of the heads of the swivelling arms and of said rods, and on the other hand to the axis of rotation of the swivelling arms, threaded ring with thread pitch p2, cistern's lid automatically provides adjustment of the position of the axis of rotation of the swivelling arms for providing control of the flushing without adjustment of the length of the rods.
According to other features: keying; part of the socket and on which the frame slides upon rotation of the socket; .
BRIEF DESCRIPTION OF THE DRAWINGS
Other features will be apparent from the following description with reference to the accompanying drawings wherein:
FIG. 1 is an overview of a flushing mechanism including the self-adjustable control device according to the invention;
FIG. 2 is a front view of the self-adjustable control device according to the invention;
FIG. 3 is a sectional view along line AA of FIG. 2, at an enlarged scale;
FIG. 4 is a perspective view of the device according to the invention after its removal;
FIG. 5 is a similar view to FIG. 4, only showing the flush controls.
DETAILED
REFERENCES:
patent: 5265282 (1993-11-01), Schmucki
Greco Philippe
Plas Olivier
Phillips Charles E.
Siamp Cedap
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