US20120266374A1 - Flush Valve - Google Patents
Flush Valve Download PDFInfo
- Publication number
- US20120266374A1 US20120266374A1 US13/180,553 US201113180553A US2012266374A1 US 20120266374 A1 US20120266374 A1 US 20120266374A1 US 201113180553 A US201113180553 A US 201113180553A US 2012266374 A1 US2012266374 A1 US 2012266374A1
- Authority
- US
- United States
- Prior art keywords
- control
- flush valve
- recited
- rotating shaft
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
Definitions
- the present invention relates to a flush valve of bath-sanitation production, and more particularly to a flush valve able to transfer a single flush toilet into a dual flush toilet with two controlling manners.
- each flush is big flow and arranged according to the maximum needed flow after using, which certainly causes a huge waste of water.
- a dual flush structure which has two flush options of big flow and small flow. People can choose big flow or small flow under different conditions in the bathroom to realize the purpose of saving water. But in the process of transforming the ordinary single flush structure into dual flush structure, the complicated installation and process need to be carried out by professionals because users cannot achieve it by themselves, resulting in high replacing cost of the flush valve.
- the switch manner of the present dual flush valves on market are controlled either by buttons or handles. Once the flush valve in the cistern leaks or comes across other problems which are required to be changed, the plumber needs to know clearly about the size and type of the cistern and the switch manner. If he failed to do so, he has to buy both two switches. These cause great inconvenience and a waste of resource to the repair worker.
- the purpose of the present invention is to overcome the disadvantages of the existing dual flush mentioned above, and provide a low-installment-cost flush valve with two controlling manners which can be easily installed and saves water efficiently.
- the present invention obtains the following treatments.
- the present invention provides a flush valve comprising a dual flush valve body for connecting to an overflow tube of an existing flapper, a positioning base matching with the dual flush valve body for installing the dual flush valve body, and an elastic sealing gasket attaching on the positioning base and matching with a flapper base.
- a retaining cylinder sleeved on the overflow tube is provided on the positioning base.
- an adjustment circle matching with the overflow tube is provided inside the retaining cylinder.
- one end of the adjustment circle is an opening loop with an open part, while the opposite end is an closed cylinder.
- a locking component is available on the open part for locking up the adjustment circle.
- two locking lugs are provided on the open part of the adjustment circle, and a locking hole is provided on each locking lug for installing the locking component.
- the locking component comprises a butterfly bolt for crossing through the locking hole and a locking nut correspondingly matching with the butterfly bolt.
- an adjustment insert-plate is provided in the adjustment circle for suitable for overflow tubes with different diameters.
- the elastic sealing gasket is installed according to the layer surface of the base, that is, plane to plane or oblique to oblique.
- the present invention further comprises a dual control switch box matching with the dual flush valve body.
- the dual control switch box comprises a control chain component connected to the dual flush valve body for controlling the operation of the flush valve.
- a rotating shaft cavity is provided inside the dual control switch box and a control rotating shaft is mounted inside the rotating shaft cavity, wherein one end of the control rotating shaft is connected to a handle, the other end of the control rotating shaft is connected to a push-button by a control swing rod, and the control rotating shaft is connected to the control chain component.
- a linkage component is provided inside the dual control switch box and the handle is connected to the control chain component by the linkage component.
- the linkage component comprises a control link bar and a control slider, wherein one end of the control link bar is connected to the control rotating shaft, and the other end of the control link bar is connected to the control slider; the control chain component is connected to the control slider.
- a connecting member is provided inside the dual control switch box and the push-button is connected to the control rotating shaft by the connecting member.
- the connecting member comprises the control swing rod sleeved on the control rotating shaft.
- a handle-positioning blocker is provided inside the dual control switch box for positioning and installing the handle.
- a button-positioning blocker is provided inside the dual control switch box for positioning and installing the push-button.
- the repair workers can casually match a cistern with a button or a handle, avoiding purchasing multiple components for not sure about the size and type of the cistern or customer's favors; users can choose freely from the two flush options of a handle and a button, which leads to efficient flush-control, convenient use and flexible operation, and simple structure to reduce a cost of change or repair.
- FIG. 1 The structural view of present invention installed on an overflow tube of flapper base.
- FIG. 2 The exploded structural view of dual control switch box of the present invention.
- FIG. 3 The overall structural view of the present invention.
- FIG. 4 The perspective view of present invention with preferred embodiment.
- the Flush valve of the present invention is specifically applied to a toilet in the bathroom.
- the present invention comprises a dual flush valve body 2 connecting to an overflow tube 11 of flapper and a positioning base 3 for installing the dual flush valve body 2 on a flapper base 1 .
- An elastic sealing gasket 4 is provided on the dual flush valve body 2 for matching with a sealing layer 12 on the flapper base 1 .
- the flapper base 1 and the elastic sealing gasket 4 can be installed plane to plane or oblique to oblique as required.
- the sealing layer 12 is plane
- the elastic sealing gasket 4 should turn over by 180 degrees vertically to a paper and then be installed back.
- a retaining cylinder 31 provided on the positioning base 3 is sleeved on the flapper overflow tube 11 , an adjustment positioning circle 5 inside the retaining cylinder 31 matches with the flapper overflow tube 11 , and an adjustment insert-plate 8 is provided in the adjustment positioning circle 5 adapted for flapper overflow tubes of different diameters.
- One end of the adjustment positioning circle 5 is an opening loop having an open part 51 while the other end is a cylinder.
- Two locking lugs 52 and a locking component for locking up the adjustment positioning circle 5 are provided on the open part 51 , a locking hole 53 is provided on each of the locking lugs 52 for installing the locking component, the locking component comprises a butterfly bolt 6 for crossing through the locking hole 53 and a locking nut 7 matching with the butterfly bolt 6 ; in specific application, the locking component can be other elements with a function of locking up.
- the flush valve of the present invention further comprises a dual control switch box 10 providing two simultaneously available flush control manners of a handle 14 and a push-button 13 .
- the dual control switch box 10 comprises a control chain component 9 connected to the dual flush valve body 2 for controlling an operation state of the flush valve.
- a rotating shaft cavity 10 a is provided inside the dual control switch box 10 .
- a control rotating shaft 15 is mounted inside the rotating shaft cavity 10 a, wherein one end of the control rotating shaft 15 is connected to the handle 14 , and the end of the control rotating shaft 15 is connected to the push-button 13 by a control swing rod 16 .
- the control rotating shaft 15 is connected to the control chain component 9 .
- a linkage component (not shown in the figures) and a connecting member (not shown in the figures) are provided inside the dual control switch box 10 , wherein the linkage component comprises a control link bar 17 and a control slider 18 , one end of the control link bar 17 is connected to the control rotating shaft 15 and the other end of the control link bar is connected to the control slider 18 ; the control chain component 9 is connected to the control slider 18 ; the connecting member comprises the control swing rod 16 sleeved on the control rotating shaft 15 .
- the handle 14 is connected to the control chain component 9 by the linkage component; the push button 13 is connected to the control rotating shaft 15 by the connecting member.
- a handle-positioning blocker 21 and a button-positioning blocker 20 are respectively provided inside the dual control switch box 10 for positioning and installing the handle 14 and the push-button 13 .
- the two flush control manners of the push-button 13 and the handle 14 bring great convenience to repair workers and users.
- the repair workers can choose casually a cistern with a button or a cistern with a handle when changing the cistern, avoiding purchasing multiple parts when having no idea about the size and the type of a cistern or customers' favors.
- the users can choose the manners of the push-button or the handle according to practical needs; when choosing the manner of the handle, turning the handle clockwise or counterclockwise would drive the control rotating shaft 15 to drive the control link bar 17 and the control slider 18 , and the control link bar 17 and the control slider 18 further drive the control chain component 9 , in such a manner that the function of half-flush or full-flush is activated; when choosing the manner of the push-button, pressing down the full-flush button 13 a or the half-flush button 13 b of the push-button 13 would drive the control swing rod 16 to drive the control rotating shaft 15 , the control rotating shaft 15 further drives the control link bar 17 and the control slider 18 , and the control link bar 17 and the control slider 18 drive the control chain component 9 , in such a manner that the function of half-flush or full-flush is activated.
- users when installing the flush valve of the present invention, users can firstly disassemble a single flush drain valve, and then install the dual flush valve body 2 on the positioning base 3 , and then install the adjustment positioning circle 5 inside the retaining cylinder 31 on the flapper overflow tube 11 and optionally put the adjustment insert-plate 8 into the adjustment positioning circle 5 according to the specific diameter of the overflow tube 11 , and finally, after regulating a location of the dual flush valve body 2 , lock up the dual flush drain valve body 2 on the flapper overflow tube 11 by the locking component.
- the users can easily change the ordinary single flush drain valve into the dual flush drain valve without complicated operations. Simple and easy installment makes it possible to change without professionals. Low installment cost and saving water efficiently fit with people's current demands of saving energy.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
A flush valve includes a dual flush body for connecting to a flapper overflow tube of a bath-sanitation product, a dual control switch box and a positioning base, wherein an elastic sealing gasket is provided on the positioning base and matching with a sealing layer of a flapper base, the dual control switch box comprises a control chain component, a control rotating shaft is mounted inside a rotating shaft cavity of the dual control switch box, wherein one end of the control rotating shaft is connected to a handle, the other end of the control rotating shaft is connected to a push-button by a control swing rod, and the control rotating shaft is connected to the control chain component.
Description
- 1. Field of Invention
- The present invention relates to a flush valve of bath-sanitation production, and more particularly to a flush valve able to transfer a single flush toilet into a dual flush toilet with two controlling manners.
- 2. Description of Related Arts
- At present, with the improvements in peoples living standards, modern flush valves have been widely used in the bathroom and replaced the traditional way of hand-by flushing. This brings convenience to people's daily life.
- However, among the present flush valves in the bathroom, a majority of the present flush valves are of single flush structure with single push-button or handle. That is to say, each flush is big flow and arranged according to the maximum needed flow after using, which certainly causes a huge waste of water.
- In order to avoid the disadvantages of the above flush valve of single flush structure a dual flush structure is invented, which has two flush options of big flow and small flow. People can choose big flow or small flow under different conditions in the bathroom to realize the purpose of saving water. But in the process of transforming the ordinary single flush structure into dual flush structure, the complicated installation and process need to be carried out by professionals because users cannot achieve it by themselves, resulting in high replacing cost of the flush valve.
- Moreover, although the dual flush valve can save water, the switch manner of the present dual flush valves on market are controlled either by buttons or handles. Once the flush valve in the cistern leaks or comes across other problems which are required to be changed, the plumber needs to know clearly about the size and type of the cistern and the switch manner. If he failed to do so, he has to buy both two switches. These cause great inconvenience and a waste of resource to the repair worker.
- The purpose of the present invention is to overcome the disadvantages of the existing dual flush mentioned above, and provide a low-installment-cost flush valve with two controlling manners which can be easily installed and saves water efficiently.
- To attain this, the present invention obtains the following treatments.
- The present invention provides a flush valve comprising a dual flush valve body for connecting to an overflow tube of an existing flapper, a positioning base matching with the dual flush valve body for installing the dual flush valve body, and an elastic sealing gasket attaching on the positioning base and matching with a flapper base.
- Further, a retaining cylinder sleeved on the overflow tube is provided on the positioning base.
- Further, an adjustment circle matching with the overflow tube is provided inside the retaining cylinder.
- Further, one end of the adjustment circle is an opening loop with an open part, while the opposite end is an closed cylinder.
- Further, a locking component is available on the open part for locking up the adjustment circle.
- Further, two locking lugs are provided on the open part of the adjustment circle, and a locking hole is provided on each locking lug for installing the locking component.
- Further, the locking component comprises a butterfly bolt for crossing through the locking hole and a locking nut correspondingly matching with the butterfly bolt.
- Further, an adjustment insert-plate is provided in the adjustment circle for suitable for overflow tubes with different diameters.
- Further, the elastic sealing gasket is installed according to the layer surface of the base, that is, plane to plane or oblique to oblique.
- Besides, the present invention further comprises a dual control switch box matching with the dual flush valve body.
- Further, the dual control switch box comprises a control chain component connected to the dual flush valve body for controlling the operation of the flush valve.
- Further, a rotating shaft cavity is provided inside the dual control switch box and a control rotating shaft is mounted inside the rotating shaft cavity, wherein one end of the control rotating shaft is connected to a handle, the other end of the control rotating shaft is connected to a push-button by a control swing rod, and the control rotating shaft is connected to the control chain component.
- Further, a linkage component is provided inside the dual control switch box and the handle is connected to the control chain component by the linkage component.
- Further, the linkage component comprises a control link bar and a control slider, wherein one end of the control link bar is connected to the control rotating shaft, and the other end of the control link bar is connected to the control slider; the control chain component is connected to the control slider.
- Further, a connecting member is provided inside the dual control switch box and the push-button is connected to the control rotating shaft by the connecting member.
- Further, the connecting member comprises the control swing rod sleeved on the control rotating shaft.
- Further, a handle-positioning blocker is provided inside the dual control switch box for positioning and installing the handle.
- Further, a button-positioning blocker is provided inside the dual control switch box for positioning and installing the push-button.
- The present invention has the following advantages:
- 1) Easy installment, and usually users can install alone without professionals, reducing installment cost, saving water efficiently because of the dual flush structure, and fitting with current products' requirement of saving energy.
- 2) Since the present invention has two flush-controlling manners of a handle and a push-button, the repair workers can casually match a cistern with a button or a handle, avoiding purchasing multiple components for not sure about the size and type of the cistern or customer's favors; users can choose freely from the two flush options of a handle and a button, which leads to efficient flush-control, convenient use and flexible operation, and simple structure to reduce a cost of change or repair.
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FIG. 1 : The structural view of present invention installed on an overflow tube of flapper base. -
FIG. 2 : The exploded structural view of dual control switch box of the present invention. -
FIG. 3 : The overall structural view of the present invention. -
FIG. 4 : The perspective view of present invention with preferred embodiment. - Further illustration of the present invention combined with the figures and the preferred embodiment is following.
- The Flush valve of the present invention is specifically applied to a toilet in the bathroom. As the
FIG. 1 and theFIG. 3 show, the present invention comprises a dualflush valve body 2 connecting to anoverflow tube 11 of flapper and apositioning base 3 for installing the dualflush valve body 2 on aflapper base 1. - An
elastic sealing gasket 4 is provided on the dualflush valve body 2 for matching with a sealinglayer 12 on theflapper base 1. When transforming a single flush valve, theflapper base 1 and theelastic sealing gasket 4 can be installed plane to plane or oblique to oblique as required. For example, if thesealing layer 12 is plane, theelastic sealing gasket 4 should turn over by 180 degrees vertically to a paper and then be installed back. - As the
FIG. 1 shows, aretaining cylinder 31 provided on thepositioning base 3 is sleeved on theflapper overflow tube 11, anadjustment positioning circle 5 inside the retainingcylinder 31 matches with theflapper overflow tube 11, and an adjustment insert-plate 8 is provided in theadjustment positioning circle 5 adapted for flapper overflow tubes of different diameters. - One end of the
adjustment positioning circle 5 is an opening loop having anopen part 51 while the other end is a cylinder. Twolocking lugs 52 and a locking component for locking up theadjustment positioning circle 5 are provided on theopen part 51, alocking hole 53 is provided on each of thelocking lugs 52 for installing the locking component, the locking component comprises abutterfly bolt 6 for crossing through thelocking hole 53 and alocking nut 7 matching with thebutterfly bolt 6; in specific application, the locking component can be other elements with a function of locking up. - Besides, as the
FIG. 2 and theFIG. 3 show, the flush valve of the present invention further comprises a dualcontrol switch box 10 providing two simultaneously available flush control manners of ahandle 14 and a push-button 13. - The dual
control switch box 10 comprises acontrol chain component 9 connected to the dualflush valve body 2 for controlling an operation state of the flush valve. A rotatingshaft cavity 10 a is provided inside the dualcontrol switch box 10. Acontrol rotating shaft 15 is mounted inside the rotatingshaft cavity 10 a, wherein one end of thecontrol rotating shaft 15 is connected to thehandle 14, and the end of thecontrol rotating shaft 15 is connected to the push-button 13 by acontrol swing rod 16. Besides, thecontrol rotating shaft 15 is connected to thecontrol chain component 9. - Besides, a linkage component (not shown in the figures) and a connecting member (not shown in the figures) are provided inside the dual
control switch box 10, wherein the linkage component comprises acontrol link bar 17 and acontrol slider 18, one end of thecontrol link bar 17 is connected to thecontrol rotating shaft 15 and the other end of the control link bar is connected to thecontrol slider 18; thecontrol chain component 9 is connected to thecontrol slider 18; the connecting member comprises thecontrol swing rod 16 sleeved on thecontrol rotating shaft 15. - The
handle 14 is connected to thecontrol chain component 9 by the linkage component; thepush button 13 is connected to thecontrol rotating shaft 15 by the connecting member. - Moreover, for better installing the
handle 14 and the push-button 13, a handle-positioning blocker 21 and a button-positioning blocker 20 are respectively provided inside the dualcontrol switch box 10 for positioning and installing thehandle 14 and the push-button 13. - For the flush valve of the present invention, in specific operation, the two flush control manners of the push-
button 13 and thehandle 14 bring great convenience to repair workers and users. The repair workers can choose casually a cistern with a button or a cistern with a handle when changing the cistern, avoiding purchasing multiple parts when having no idea about the size and the type of a cistern or customers' favors. The users can choose the manners of the push-button or the handle according to practical needs; when choosing the manner of the handle, turning the handle clockwise or counterclockwise would drive thecontrol rotating shaft 15 to drive thecontrol link bar 17 and thecontrol slider 18, and thecontrol link bar 17 and thecontrol slider 18 further drive thecontrol chain component 9, in such a manner that the function of half-flush or full-flush is activated; when choosing the manner of the push-button, pressing down the full-flush button 13 a or the half-flush button 13 b of the push-button 13 would drive thecontrol swing rod 16 to drive thecontrol rotating shaft 15, thecontrol rotating shaft 15 further drives thecontrol link bar 17 and thecontrol slider 18, and thecontrol link bar 17 and thecontrol slider 18 drive thecontrol chain component 9, in such a manner that the function of half-flush or full-flush is activated. - As indicated in pictures from
FIG. 1 toFIG. 4 , when installing the flush valve of the present invention, users can firstly disassemble a single flush drain valve, and then install the dualflush valve body 2 on thepositioning base 3, and then install theadjustment positioning circle 5 inside the retainingcylinder 31 on theflapper overflow tube 11 and optionally put the adjustment insert-plate 8 into theadjustment positioning circle 5 according to the specific diameter of theoverflow tube 11, and finally, after regulating a location of the dualflush valve body 2, lock up the dual flushdrain valve body 2 on theflapper overflow tube 11 by the locking component. The users can easily change the ordinary single flush drain valve into the dual flush drain valve without complicated operations. Simple and easy installment makes it possible to change without professionals. Low installment cost and saving water efficiently fit with people's current demands of saving energy. - It will thus be seen that the objects of the present invention have been fully and effectively accomplished. Its embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.
Claims (17)
1. A flush valve, comprising: a dual flush valve body for connecting to a flapper overflow tube, a positioning base matching with said dual flush valve body, an elastic sealing gasket provided on said positioning base for matching with a sealing layer on a flapper base, and a dual control switch box applicable with either a push button or a handle.
2. The flush valve, as recited in claim 1 , wherein a retaining cylinder is provided on said positioning base for attaching on the flapper overflow tube.
3. The flush valve, as recited in claim 2 , wherein an adjustment positioning circle is provided inside said retaining cylinder for matching with the flapper overflow tube.
4. The flush valve, as recited in claim 3 , wherein one end of said adjustment positioning circle is an opening loop having an open part and the other end of said adjustment positioning circle is a cylinder.
5. The flush valve, as recited in claim 4 , wherein a locking component for locking up said adjustment positioning circle is provided on said open part.
6. The flush valve, as recited in claim 5 , wherein two locking lugs are provided on said open part of said adjustment positioning circle and a locking hole is provided in each of said locking lugs for installing said locking component.
7. The flush valve, as recited in claim 6 , wherein said locking component comprises a butterfly bolt for crossing through said locking hole and a butterfly nut matching with said butterfly bolt.
8. The flush valve, as recited in claim 6 , wherein an adjustment insert-plate is provided in said adjustment positioning circle for matching flapper overflow tubes of different diameters.
9. The flush valve, as recited in claim 8 , wherein the sealing layer on the flapper base and said elastic sealing gasket are installed plane to plane or oblique to oblique.
10. The flush valve, as recited in claim 1 , wherein said dual control switch box comprises a control chain component connected to said dual control switch box for controlling an operation state of said flush valve.
11. The flush valve, as recited in claim 10 , wherein a rotating shaft cavity is provided inside said dual control switch box, a control rotating shaft is mounted inside said rotating shaft cavity, wherein a handle is connected to one of said control rotating shaft, a control swing rod is connected to the other end of said control rotating shaft, and said control rotating shaft is connected to said control chain component.
12. The flush valve, as recited in claim 11 , wherein a linkage component is provided inside said dual control switch box, and said handle is connected to said control chain component by said linkage component.
13. The flush valve, as recited in claim 12 , wherein said linkage component comprises a control link bar and a control slider; wherein one end of said control link bar is connected to said control rotating shaft and the other end of said control link bar is connected to said control slider; said control chain component is connected to said control slider.
14. The flush valve, as recited in claim 13 , wherein a connecting member is provided inside said dual control switch box and said push-button is connected to said control rotating shaft by said connecting member.
15. The flush valve, as recited in claim 14 , wherein said connecting member comprises said control swing rod sleeved on said control rotating shaft.
16. The flush valve, as recited in claim 15 , wherein a handle-positioning blocker is provided in said dual control switch box for positioning and installing said handle.
17. The flush valve, as recited in claim 16 , wherein a button-positioning blocker is provided in said dual control switch box for positioning and installing said push-button.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120116530.4 | 2011-04-20 | ||
CN201120116534.2 | 2011-04-20 | ||
CN2011201165304U CN202202380U (en) | 2011-04-20 | 2011-04-20 | Drain valve capable of easily changing a single-line mode into a double-line mode |
CN2011201165342U CN202202384U (en) | 2011-04-20 | 2011-04-20 | Double control switch for two-level drain valve |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120266374A1 true US20120266374A1 (en) | 2012-10-25 |
Family
ID=47020116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/180,553 Abandoned US20120266374A1 (en) | 2011-04-20 | 2011-07-12 | Flush Valve |
Country Status (1)
Country | Link |
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US (1) | US20120266374A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150059869A1 (en) * | 2013-08-28 | 2015-03-05 | Feiyu Li | Base connection device used to change a flapper drain valve to a barrel drain valve |
US10145095B1 (en) * | 2011-07-29 | 2018-12-04 | Danco, Inc. | Toilet bowl overflow prevention |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3758893A (en) * | 1972-06-08 | 1973-09-18 | W Smolinski | Water saver toilet bowl flush system |
US7200877B2 (en) * | 2004-04-04 | 2007-04-10 | Karl Peng | Dual flush water saving toilet system |
US20100218308A1 (en) * | 2009-03-02 | 2010-09-02 | Schuster Michael J | Adaptation of Flush Valve for Dual Flush Capability |
US20110167549A1 (en) * | 2010-01-08 | 2011-07-14 | Schuster Michael J | Dual Flush Activation |
US8104104B2 (en) * | 2007-10-03 | 2012-01-31 | Fluidmaster, Inc. | Dual flush button assembly |
-
2011
- 2011-07-12 US US13/180,553 patent/US20120266374A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3758893A (en) * | 1972-06-08 | 1973-09-18 | W Smolinski | Water saver toilet bowl flush system |
US7200877B2 (en) * | 2004-04-04 | 2007-04-10 | Karl Peng | Dual flush water saving toilet system |
US8104104B2 (en) * | 2007-10-03 | 2012-01-31 | Fluidmaster, Inc. | Dual flush button assembly |
US20100218308A1 (en) * | 2009-03-02 | 2010-09-02 | Schuster Michael J | Adaptation of Flush Valve for Dual Flush Capability |
US20110167549A1 (en) * | 2010-01-08 | 2011-07-14 | Schuster Michael J | Dual Flush Activation |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10145095B1 (en) * | 2011-07-29 | 2018-12-04 | Danco, Inc. | Toilet bowl overflow prevention |
US20150059869A1 (en) * | 2013-08-28 | 2015-03-05 | Feiyu Li | Base connection device used to change a flapper drain valve to a barrel drain valve |
US9556601B2 (en) * | 2013-08-28 | 2017-01-31 | Wdi (Xiamen) Technology Inc. | Base connection device used to change a flapper drain valve to a barrel drain valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: XIAMEN ING SANITARY FITTINGS LTD., CHINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIU, XING;LIU, MINGBIAO;REEL/FRAME:026581/0148 Effective date: 20110707 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |