Baths – closets – sinks – and spittoons – Flush closet
Reexamination Certificate
2001-09-13
2003-01-07
Eloshway, Charles R. (Department: 3751)
Baths, closets, sinks, and spittoons
Flush closet
C004S363000
Reexamination Certificate
active
06502252
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a water supply and drain apparatus for a toilet bowl, and more particularly, to prevent leakage of valve mechanism and noise of water supply.
BACKGROUND ART
A conventional form of toilet bowl for flush reducing is shown in
FIG. 1. A
toilet bowl comprises a toilet housing
100
, a toilet tank
200
for storing washing water, a handle part
300
supplying the washing water into the toilet housing
100
. The toilet tank
200
is connected with an introduction pipe
120
, in which the washing water is stored. A valve instrument
400
is mounted at the internal of the toilet tank
200
for blocking the supply as the washing water is sufficiently filled. The handle part
300
interlocks with the valve instrument
400
. The valve instrument
400
comprises a ball valve
420
, a refill tube
440
, a saver tube
460
, a discharge valve
480
and a flapper valve
500
. The handle part
300
comprises a handle
320
, a lever
340
raising with handspikes, and a chain
360
connecting at the lever
340
in order to open the discharge valve
480
.
The above-described conventional water supply and discharge apparatus for a toilet bowl is operated as below.
An intake pipe
120
is receives washing water through a saver tube
460
into the toilet tank
200
. A flapper valve
500
operates a ball valve
420
by flapping along the surface of water. A ball valve
420
is connected at the intake pipe
120
so as to open and close a refill tube
440
. Then, a refill tube
440
is closed by the ball valve
420
and the toilet tank
200
is sufficiently filled with the washing water.
When a handle
320
is operated by a user, the handle
320
lifts the chain
360
connecting to the discharge valve
480
which opens and closes a discharge outlet
600
which is connected between a toilet housing
100
and a toilet tank
200
. Thereby, a discharge valve
480
is opened by chain
360
and the washing water flows into a toilet housing
100
from toilet tank
200
. The washing water flushes out a waste material from a toilet housing
100
.
After the washing water is discharged from a toilet housing
100
, the discharge valve
480
closes a discharge outlet
600
. Then the flapper valve
500
dropps along to the surface of water in the toilet tank
200
and opens the refill tube
440
. The washing water is flows into the toilet tank
200
through intake pipe
120
.
In the above-described conventional water supply and discharge apparatus for a toilet bowl, the toilet tank
200
receives a washing water having an hydraulic pressure in proportion to capacity of the toilet tank
200
, thereby generating noise by high hydraulic pressure.
There are some disadvantages associated with the prior water supply and discharge apparatus for a toilet bowl given as below. That is, precision of the valve instrument
400
may cause waterproofing trouble. As a result, users have a lot of difficulty.
As a prior art to deal with the aforementioned disadvantages, U.S. Pat. No. 5,855,025, issued Jan. 5, 1999 is disclosed, which reduces generated noise and controlled a quantity of use when the washing water flows into the toilet tank, to which is supplied storage water through “T”, shaped tube and then directly poured into the flapper valve, thereby the storage water overflows and changes.
There is problem in that the prior art has reduced durability according to complex elements and requires precision in design of the elements.
DISCLOSURE OF INVENTION
It is an object of the present invention to prevent leakage of washing water by supplying water that is properly sealed.
It is a further object of the present invention to minimize noise generated by water supply and drain by supplying water to the storage.
REFERENCES:
patent: 665887 (1901-01-01), Emery
patent: 1316715 (1919-09-01), Haas
patent: 1396400 (1921-11-01), Bresson
patent: 2182980 (1939-12-01), Bruzenak
patent: 3566416 (1971-03-01), Altieri et al.
patent: 4115883 (1978-09-01), Dauvergne
patent: 4266304 (1981-05-01), Kohrn et al.
patent: 4764996 (1988-08-01), Pino
patent: 5115521 (1992-05-01), Adamides
patent: 5406652 (1995-04-01), Hennessy
patent: 2 200 729 (1988-08-01), None
patent: 25440 (1977-02-01), None
Eloshway Charles R.
McDonnell & Boehnen Hulbert & Berghoff
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