CA2146211A1 - Water closet - Google Patents
Water closetInfo
- Publication number
- CA2146211A1 CA2146211A1 CA 2146211 CA2146211A CA2146211A1 CA 2146211 A1 CA2146211 A1 CA 2146211A1 CA 2146211 CA2146211 CA 2146211 CA 2146211 A CA2146211 A CA 2146211A CA 2146211 A1 CA2146211 A1 CA 2146211A1
- Authority
- CA
- Canada
- Prior art keywords
- water closet
- wall
- height
- inches
- fixture
- 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
Links
Landscapes
- Sanitary Device For Flush Toilet (AREA)
Abstract
A water closet for use by physically challenged persons is provided having an increased longitudinal dimension of at least 1? inches compared to standard water closets. The water closet has an increased longitudinal dimension compared to standard water closets such that the bowl may be mounted on a wall and connected to standard height-adjusted in-wall plumbing obviating the steps of tearing out an existing wall, readjusting the in-wall plumbing to adapt to an elevated height in conformance with the ADA, and reconstructing the wall. This new water closet, mounted at the same location as standard water closets, will be at a height in compliance with ANSI and ADA-regulations.
Description
. 214621~
WATER CLOSET
FIELD OF THE INVENTION
The present invention relates generally to water closets, and particularly to water closets designed for use by physically challenged persons.
BACKGROUND OF THE INVENTION
Water closets for use by physically challenged persons must be constructed in conformance with guidelines issued by the American National Standards Institute (ANSI) and additional state enacted legislation. Included in these requirements are minimum and maximum mounting heights for the water closet, minimum clear floor space surrounding the closet, and automatic or side mounted flush valves. Although these regulations prove beneficial to the physically challenged, until recently private businesses and public facilities were not obligated to accommodate the physically challenged by installing and providing ANSI regulated sanitaryware fixtures suitable for the physically challenged on their premises. There was no such requirement to provide for the physically challenged.
Consequently, the Americans With Disabilities Act (ADA) was enacted in 1992. In addition to setting forth guidelines similar to ANSI guidelines for the construction and installation of sanitaryware, the ADA prohibits discrimination against physically challenged persons resulting from facilities in public areas and private places of business. In complying with the ADA, businesses and public facilities are obligated to install sanitaryware designed to accommodate the physically challenged, thereby increasing the need for a more universal design equally adaptable to old and new construction.
Water closets for use by physically challenged persons are typically constructed in the same way that standard water closet fixtures are constructed. The major difference between water closets constructed for physically challenged persons and standard water closets is not the fixture itself but the height at which the fixture is mounted.
Typically, wall mounted water closets are mounted at a height of 15 inches from the floor to the top of the rim of the bowl, while water closets used by physically challenged persons are wall mounted at a height of at least 161h inches from the floor to the top of the rim of the bowl and between 17-19 inches from the floor to the top of the seat on the fixture. A stall for a wall-mounted water closet for the physically challenged should have a minimum depth of 56 inches from the wall to the front of the stall.
The provisions of the ADA are retroactive, therefore businesses located in existing buildings which do not meet ADA
requirements must convert their premises to comply with the ADA. Many existing buildings were designed with standard in-wall plumbing piping. That is, at the time of construction, the in-wall plumbing was adjusted at a standard height for mounting standard water closets. Since the normal height for a standard water closet pursuant to ANSI regulations is 15 inches from the floor to the rim of the water closet, and the required height for the water closet to be used by physically challenged persons pursuant to ANSI regulations is at least 161h inches from the floor to the rim of the water closet, the in-wall plumbing must be readjusted at a height to meet ADA
requirements when mounting an ADA-compliance water closet.
The ADA-compliance water closet must be mounted at a height suitable to provide ample room for wheelchair access to the water closet.
In order to comply with the ADA in the area of sanitaryware fixtures, major reconstruction is normally required to readjust the standard height-adjusted in-wall plumbing to an elevated height such that the water closet, when mounted, is positioned at 161h inches from the floor to the rim of the bowl. Readjusting the existing in-wall plumbing from the standard height to an elevated height requires actually tearing up the wall to reach the in-wall plumbing. Subsequently, the piping must be readjusted and the wall must be reconstructed. This procedure is time consuming, expensive, and laborious. In view of the above, it would be desirable to provide an ADA water closet that is compatible with existing in-wall plumbing, thereby avoiding reconstruction, added costs, and increased labor.
21~6211 SUMMARY OF THE INVENTION
It is therefore an object of the invention to provide a water closet having an increased longitudinal dimension compared with the longitudinal dimension of standard water closets, and having mounting slots and a waste outlet positioned in the same positions as on standard water closets to accommodate standard height-adjusted in-wall plumbing.
It is another object of the invention to provide a water closet having dimensions conforming to ADA standards and capable for use by physically challenged persons.
It is a further object of the invention to provide a tail piece and an elbow pipe for connection to the water supply pipe.
In accordance with these and other objects of the invention, a water closet is provided having an increased longitudinal dimension of at least 11h inches compared to standard water closets. The mounting slots and the waste outlet on the backside of the water closet are positioned at the same locations as on a standard water closet. A series of four mounting slots are positioned on the backside of the water closet. The distance between the two upper mounting slots is approximately 9 inches and the distance between the two lower mounting slots is approximately 9 inches. The distance between the two upper mounting slots and the two lower mounting slots is approximately 7~ inches. The waste outlet is equidistant between the two lower mounting slots.
The water closet has an increased longitudinal dimension compared to standard water closets such that the bowl may be ` 2146211 .
mounted on a wall and connected to standard height-adjusted in-wall plumbing obviating the steps of tearing out an existing wall, readjusting the in-wall plumbing to adapt to an elevated height in conformance with the ADA, and reconstructing the wall. This new water closet fixture enables one with existing in-wall plumbing adjusted to standard heights to remove a standard water closet and mount and connect this new water closet having an increased longitudinal dimension to the standard height-adjusted in-wall plumbing. This new water closet, mounted at the same location as standard water closets, will be at a height in compliance with ANSI and ADA regulations.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully-appreciated from the following detailed description when the same is considered in connection with the accompanying drawings in which:
Fig. 1 is a side view of a prior art standard water closet positioned at a height of 15 inches from the floor to the rim of the bowl on standard height-adjusted in-wall plumbing.
Fig. 2 is a side view of the water closet of the present invention positioned at a height of 161h inches from the floor to the rim of the bowl on standard height-adjusted in-wall plumbing.
Fig. 3 is a side view of a prior art standard water closet positioned on elevated height-adjusted in-wall plumbing at 161h inches from the floor to the rim of the bowl to meet ADA requirements.
Fig. 4 is a front view of a prior art standard water closet positioned at a standard height of 15 inches from the floor to the rim of the bowl.
Fig. 5 is a front view of the water closet of the present invention positioned at a height of 161h inches from the floor to the rim of the bowl.
DETAILED DESCRIPTION OF THE INVENTION
Figs. 1 and 4 show a prior art standard wall hung water closet 10 positioned at a height of 15 inches from the floor to the rim of the bowl represented by H. Fig. 3 shows a prior art standard water closet 30 mounted on in-wall plumbing 31 that was readjusted from the standard height to an elevated height to meet ADA requirements of at least 161h inches from the floor to the rim of the bowl represented by H'. Figs. 2 and 5 show a new water closet 20 for use by physically challenged persons positioned at a height of 161h inches from the floor to the rim of the bowl represented by H'. Water closet 20 having a seat disposed thereon would be positioned at a height of 17-19 inches from the floor to the top surface of the seat. Water closet 20 is greater in length in the longitudinal direction than water closets 10 and 30 thereby providing the requisite ADA height measurement when mounted to standard height-adjusted in-wall plumbing 11'. The longitudinal dimension of water closet 20 is approximately 14 `` ` 2146211 inches and the longitudinal dimension of water closet 10 is approximately 13 inches. Water closet 20 is approximately equal in length in the lateral direction to water closet 10.
Both water closets, 10 and 20, can be mounted to the same in-wall plumbing but water closet 20, having a greater longitudinal dimension, will exhibit a bowl rim height greater than that of water closet 10. Thus, in places where sanitaryware for the physically challenged is necessary, additional construction and/or renovation of existing plumbing as required for water closet 30 in Fig. 3 is avoided with the advent of water closet 20.
Figs. 4 and 5 show rear view of water closets 10 and 20, respectively. A series of four mounting slots are positioned at the same locations on each water closet, 10 and 20. The distance between the two upper mounting slots 12 on closet 10 and 12' on closet 20 is typically 9 inches. The distance between the two lower mounting slots 13 on closet 10 and 13' on closet 20 is typically 9 inches. The locations of the mounting slots are not however limited to these measurements or positions. The distance between the upper mounting slots 12 and the lower mounting slots 13 on closet 10 and between the upper mounting slots 12' and the lower mounting slots 13' on closet 20 is typically 7~ inches without limitation. The waste outlets 14 and 14' are positioned equidistant between the two lower mounting slots 13 and 13', respectively. When the water closets, 10 and 20 are mounted, the mounting slots 12 and 12' are typically positioned at a height of approximately 12~ inches from the floor as -represented by S. Mounting slots 13 and 13' are typically positioned at 5% inches from the floor as represented by S'.
Tail pieces 15 and 15' are centrally disposed on and linked to each water closet 10 and 20, respectively, and extend longitudinally upward at a minimum distance of 6 inches pursuant to ANSI requirements. Vacuum breakers 16 and 16' are contiguous with tail pieces 15 and 15', respectively, and flush valves 17 and 17' are joined laterally to vacuum breakers 16 and 16', respectively.
As noted above, tail pieces, 15 and 15', must be sized to maintain at least 6 inches between the top of the fixture and the critical line marked at the bottom of the vacuum breaker in the tail piece. Consequently, the increased height dimension of water closet 20 in combination with tail piece 15' at a minimum length of 6 inches may not coincide with the water supply pipe connected to the in-wall plumbing.
That is, the water supply inlet 18 on the flush valve 17 as shown in Fig. 4 is positioned at a specific height to correspond with a water supply pipe which would be located behind the wall. The elevated height of water closet 20 in Fig. 5 compared with the height of water closet 10, in combination with tail piece 15' changes the position of the water supply inlet. Thus, an elbow pipe such as a street ell 21' in Fig. 5 is added and fits within flush valve 17' to provide a water supply inlet 22' which coincides with the existing water supply pipe of the in-wall plumbing. It is possible that a street ell may not be necessary if the tail piece is shortened to coincide with the water supply pipe and -maintains compliance with ANSI regulations which mandate a minimum of 6 inches between the top of the fixture and the critical line marked at the bottom of the vacuum breaker in the tail piece. The water closet of the invention is typically constructed of vitreous china.
Although illustrative embodiments of the present invention have been described herein which reference to the accompanying drawings, it is to be understood that the invention is not limited to those precise embodiments, and that various other changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention.
WATER CLOSET
FIELD OF THE INVENTION
The present invention relates generally to water closets, and particularly to water closets designed for use by physically challenged persons.
BACKGROUND OF THE INVENTION
Water closets for use by physically challenged persons must be constructed in conformance with guidelines issued by the American National Standards Institute (ANSI) and additional state enacted legislation. Included in these requirements are minimum and maximum mounting heights for the water closet, minimum clear floor space surrounding the closet, and automatic or side mounted flush valves. Although these regulations prove beneficial to the physically challenged, until recently private businesses and public facilities were not obligated to accommodate the physically challenged by installing and providing ANSI regulated sanitaryware fixtures suitable for the physically challenged on their premises. There was no such requirement to provide for the physically challenged.
Consequently, the Americans With Disabilities Act (ADA) was enacted in 1992. In addition to setting forth guidelines similar to ANSI guidelines for the construction and installation of sanitaryware, the ADA prohibits discrimination against physically challenged persons resulting from facilities in public areas and private places of business. In complying with the ADA, businesses and public facilities are obligated to install sanitaryware designed to accommodate the physically challenged, thereby increasing the need for a more universal design equally adaptable to old and new construction.
Water closets for use by physically challenged persons are typically constructed in the same way that standard water closet fixtures are constructed. The major difference between water closets constructed for physically challenged persons and standard water closets is not the fixture itself but the height at which the fixture is mounted.
Typically, wall mounted water closets are mounted at a height of 15 inches from the floor to the top of the rim of the bowl, while water closets used by physically challenged persons are wall mounted at a height of at least 161h inches from the floor to the top of the rim of the bowl and between 17-19 inches from the floor to the top of the seat on the fixture. A stall for a wall-mounted water closet for the physically challenged should have a minimum depth of 56 inches from the wall to the front of the stall.
The provisions of the ADA are retroactive, therefore businesses located in existing buildings which do not meet ADA
requirements must convert their premises to comply with the ADA. Many existing buildings were designed with standard in-wall plumbing piping. That is, at the time of construction, the in-wall plumbing was adjusted at a standard height for mounting standard water closets. Since the normal height for a standard water closet pursuant to ANSI regulations is 15 inches from the floor to the rim of the water closet, and the required height for the water closet to be used by physically challenged persons pursuant to ANSI regulations is at least 161h inches from the floor to the rim of the water closet, the in-wall plumbing must be readjusted at a height to meet ADA
requirements when mounting an ADA-compliance water closet.
The ADA-compliance water closet must be mounted at a height suitable to provide ample room for wheelchair access to the water closet.
In order to comply with the ADA in the area of sanitaryware fixtures, major reconstruction is normally required to readjust the standard height-adjusted in-wall plumbing to an elevated height such that the water closet, when mounted, is positioned at 161h inches from the floor to the rim of the bowl. Readjusting the existing in-wall plumbing from the standard height to an elevated height requires actually tearing up the wall to reach the in-wall plumbing. Subsequently, the piping must be readjusted and the wall must be reconstructed. This procedure is time consuming, expensive, and laborious. In view of the above, it would be desirable to provide an ADA water closet that is compatible with existing in-wall plumbing, thereby avoiding reconstruction, added costs, and increased labor.
21~6211 SUMMARY OF THE INVENTION
It is therefore an object of the invention to provide a water closet having an increased longitudinal dimension compared with the longitudinal dimension of standard water closets, and having mounting slots and a waste outlet positioned in the same positions as on standard water closets to accommodate standard height-adjusted in-wall plumbing.
It is another object of the invention to provide a water closet having dimensions conforming to ADA standards and capable for use by physically challenged persons.
It is a further object of the invention to provide a tail piece and an elbow pipe for connection to the water supply pipe.
In accordance with these and other objects of the invention, a water closet is provided having an increased longitudinal dimension of at least 11h inches compared to standard water closets. The mounting slots and the waste outlet on the backside of the water closet are positioned at the same locations as on a standard water closet. A series of four mounting slots are positioned on the backside of the water closet. The distance between the two upper mounting slots is approximately 9 inches and the distance between the two lower mounting slots is approximately 9 inches. The distance between the two upper mounting slots and the two lower mounting slots is approximately 7~ inches. The waste outlet is equidistant between the two lower mounting slots.
The water closet has an increased longitudinal dimension compared to standard water closets such that the bowl may be ` 2146211 .
mounted on a wall and connected to standard height-adjusted in-wall plumbing obviating the steps of tearing out an existing wall, readjusting the in-wall plumbing to adapt to an elevated height in conformance with the ADA, and reconstructing the wall. This new water closet fixture enables one with existing in-wall plumbing adjusted to standard heights to remove a standard water closet and mount and connect this new water closet having an increased longitudinal dimension to the standard height-adjusted in-wall plumbing. This new water closet, mounted at the same location as standard water closets, will be at a height in compliance with ANSI and ADA regulations.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully-appreciated from the following detailed description when the same is considered in connection with the accompanying drawings in which:
Fig. 1 is a side view of a prior art standard water closet positioned at a height of 15 inches from the floor to the rim of the bowl on standard height-adjusted in-wall plumbing.
Fig. 2 is a side view of the water closet of the present invention positioned at a height of 161h inches from the floor to the rim of the bowl on standard height-adjusted in-wall plumbing.
Fig. 3 is a side view of a prior art standard water closet positioned on elevated height-adjusted in-wall plumbing at 161h inches from the floor to the rim of the bowl to meet ADA requirements.
Fig. 4 is a front view of a prior art standard water closet positioned at a standard height of 15 inches from the floor to the rim of the bowl.
Fig. 5 is a front view of the water closet of the present invention positioned at a height of 161h inches from the floor to the rim of the bowl.
DETAILED DESCRIPTION OF THE INVENTION
Figs. 1 and 4 show a prior art standard wall hung water closet 10 positioned at a height of 15 inches from the floor to the rim of the bowl represented by H. Fig. 3 shows a prior art standard water closet 30 mounted on in-wall plumbing 31 that was readjusted from the standard height to an elevated height to meet ADA requirements of at least 161h inches from the floor to the rim of the bowl represented by H'. Figs. 2 and 5 show a new water closet 20 for use by physically challenged persons positioned at a height of 161h inches from the floor to the rim of the bowl represented by H'. Water closet 20 having a seat disposed thereon would be positioned at a height of 17-19 inches from the floor to the top surface of the seat. Water closet 20 is greater in length in the longitudinal direction than water closets 10 and 30 thereby providing the requisite ADA height measurement when mounted to standard height-adjusted in-wall plumbing 11'. The longitudinal dimension of water closet 20 is approximately 14 `` ` 2146211 inches and the longitudinal dimension of water closet 10 is approximately 13 inches. Water closet 20 is approximately equal in length in the lateral direction to water closet 10.
Both water closets, 10 and 20, can be mounted to the same in-wall plumbing but water closet 20, having a greater longitudinal dimension, will exhibit a bowl rim height greater than that of water closet 10. Thus, in places where sanitaryware for the physically challenged is necessary, additional construction and/or renovation of existing plumbing as required for water closet 30 in Fig. 3 is avoided with the advent of water closet 20.
Figs. 4 and 5 show rear view of water closets 10 and 20, respectively. A series of four mounting slots are positioned at the same locations on each water closet, 10 and 20. The distance between the two upper mounting slots 12 on closet 10 and 12' on closet 20 is typically 9 inches. The distance between the two lower mounting slots 13 on closet 10 and 13' on closet 20 is typically 9 inches. The locations of the mounting slots are not however limited to these measurements or positions. The distance between the upper mounting slots 12 and the lower mounting slots 13 on closet 10 and between the upper mounting slots 12' and the lower mounting slots 13' on closet 20 is typically 7~ inches without limitation. The waste outlets 14 and 14' are positioned equidistant between the two lower mounting slots 13 and 13', respectively. When the water closets, 10 and 20 are mounted, the mounting slots 12 and 12' are typically positioned at a height of approximately 12~ inches from the floor as -represented by S. Mounting slots 13 and 13' are typically positioned at 5% inches from the floor as represented by S'.
Tail pieces 15 and 15' are centrally disposed on and linked to each water closet 10 and 20, respectively, and extend longitudinally upward at a minimum distance of 6 inches pursuant to ANSI requirements. Vacuum breakers 16 and 16' are contiguous with tail pieces 15 and 15', respectively, and flush valves 17 and 17' are joined laterally to vacuum breakers 16 and 16', respectively.
As noted above, tail pieces, 15 and 15', must be sized to maintain at least 6 inches between the top of the fixture and the critical line marked at the bottom of the vacuum breaker in the tail piece. Consequently, the increased height dimension of water closet 20 in combination with tail piece 15' at a minimum length of 6 inches may not coincide with the water supply pipe connected to the in-wall plumbing.
That is, the water supply inlet 18 on the flush valve 17 as shown in Fig. 4 is positioned at a specific height to correspond with a water supply pipe which would be located behind the wall. The elevated height of water closet 20 in Fig. 5 compared with the height of water closet 10, in combination with tail piece 15' changes the position of the water supply inlet. Thus, an elbow pipe such as a street ell 21' in Fig. 5 is added and fits within flush valve 17' to provide a water supply inlet 22' which coincides with the existing water supply pipe of the in-wall plumbing. It is possible that a street ell may not be necessary if the tail piece is shortened to coincide with the water supply pipe and -maintains compliance with ANSI regulations which mandate a minimum of 6 inches between the top of the fixture and the critical line marked at the bottom of the vacuum breaker in the tail piece. The water closet of the invention is typically constructed of vitreous china.
Although illustrative embodiments of the present invention have been described herein which reference to the accompanying drawings, it is to be understood that the invention is not limited to those precise embodiments, and that various other changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention.
Claims (8)
1. A sanitaryware fixture for mounting on a wall and connecting to standard height-adjusted in-wall plumbing and for use by physically challenged persons comprising:
a water closet having a longitudinal dimension such that said water closet is at a height adequate for physically challenged persons when mounted on said wall and is compatible with said standard height-adjusted in-wall plumbing.
a water closet having a longitudinal dimension such that said water closet is at a height adequate for physically challenged persons when mounted on said wall and is compatible with said standard height-adjusted in-wall plumbing.
2. The fixture of claim 1 wherein said water closet comprises a toilet bowl having a rim, said water closet mounted above a floor, and said height of said water closet is at least 16? inches from said floor to said rim when mounted on said wall.
3. The fixture of claim 1 further comprising a seat disposed on said water closet, said water closet mounted above a floor, and said height of said water closet is between 17 and 19 inches from said floor to the top surface of said seat when mounted on said wall.
4. The fixture of claim 2 wherein said longitudinal dimension is approximately 14 inches in length.
5. The fixture of claim 4 further comprising:
a tail piece centrally disposed on and linked to said water closet and extending upward at a minimum distance of 6 inches from said closet;
a vacuum breaker contiguous with said tail piece; and a flush valve joined laterally to said vacuum breaker.
a tail piece centrally disposed on and linked to said water closet and extending upward at a minimum distance of 6 inches from said closet;
a vacuum breaker contiguous with said tail piece; and a flush valve joined laterally to said vacuum breaker.
6. The fixture of claim 5 further comprising:
a street ell joined to said flush valve.
a street ell joined to said flush valve.
7. The fixture of claim 6 wherein said water closet comprises an elongated bowl.
8. The fixture of claim 7 wherein said water closet has a backside and said backside has a waste outlet and a series of mounting slots which are connectable to said standard height-adjusted in-wall plumbing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22308094A | 1994-04-05 | 1994-04-05 | |
| US08/223,080 | 1994-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2146211A1 true CA2146211A1 (en) | 1995-10-06 |
Family
ID=22834941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2146211 Abandoned CA2146211A1 (en) | 1994-04-05 | 1995-04-03 | Water closet |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1111312A (en) |
| CA (1) | CA2146211A1 (en) |
| MX (1) | MX9501647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999057385A1 (en) * | 1998-05-06 | 1999-11-11 | Keramik Holding Ag Laufen | W.c. bowl |
-
1995
- 1995-04-03 CA CA 2146211 patent/CA2146211A1/en not_active Abandoned
- 1995-04-04 MX MX9501647A patent/MX9501647A/en unknown
- 1995-04-05 CN CN 95103183 patent/CN1111312A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999057385A1 (en) * | 1998-05-06 | 1999-11-11 | Keramik Holding Ag Laufen | W.c. bowl |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1111312A (en) | 1995-11-08 |
| MX9501647A (en) | 1997-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |